The report below shows ASNs assigned to United States, ranked by the total number of IP addresses currently active on each network. Click on the ASN for full IP address information, whois details and more. You can also view our hosting report to see the networks ranked by how many domain names they host.

ASN Name Num IPs
AS7018 AT&T Services, Inc. 80,923,904
AS721 DoD Network Information Center 72,266,496
AS7922 Comcast Cable Communications, LLC 71,219,968
AS701 MCI Communications Services, Inc. d/b/a Verizon Business 42,583,040
AS3356 Level 3 Parent, LLC 39,457,792
AS6167 Cellco Partnership DBA Verizon Wireless 30,079,744
AS174 Cogent Communications 28,624,640
AS16509 Amazon.com, Inc. 23,992,832
AS8075 Microsoft Corporation 21,563,648
AS209 CenturyLink Communications, LLC 20,820,992
AS1239 Sprint 18,194,176
AS2686 AT&T Global Network Services, LLC 17,768,960
AS7377 University of California, San Diego 17,049,856
AS714 Apple Inc. 16,798,976
AS14618 Amazon.com, Inc. 14,000,640
AS22394 Cellco Partnership DBA Verizon Wireless 13,607,168
AS35994 Akamai Technologies, Inc. 12,784,128
AS21928 T-Mobile USA, Inc. 12,682,496
AS5650 Frontier Communications of America, Inc. 12,591,616
AS7029 Windstream Communications LLC 12,567,552
AS22773 Cox Communications Inc. 12,204,800
AS6389 AT&T Corp. 11,628,544
AS4249 Eli Lilly and Company 11,534,592
AS20115 Charter Communications 11,279,104
AS3561 CenturyLink Communications, LLC 9,096,704
AS15169 Google LLC 8,699,648
AS10796 Charter Communications Inc 7,988,736
AS10507 Sprint Personal Communications Systems 7,985,152
AS3 Massachusetts Institute of Technology 7,741,696
AS2914 NTT America, Inc. 7,166,976
AS2828 MCI Communications Services, Inc. d/b/a Verizon Business 6,945,792
AS33363 Charter Communications, Inc 6,783,232
AS20001 Charter Communications Inc 6,764,544
AS702 MCI Communications Services, Inc. d/b/a Verizon Business 6,432,000
AS3549 Level 3 Parent, LLC 6,406,144
AS1668 AOL Transit Data Network 5,807,360
AS237 Merit Network Inc. 5,804,032
AS71 Hewlett-Packard Company 5,655,808
AS20057 AT&T Mobility LLC 5,522,176
AS6128 Cablevision Systems Corp. 5,216,000
AS11351 Charter Communications Inc 5,101,568
AS16625 Akamai Technologies, Inc. 5,070,592
AS306 DoD Network Information Center 5,047,040
AS11427 Charter Communications Inc 5,029,376
AS11003 The Procter and Gamble Company 4,689,408
AS1541 Headquarters, USAISC 4,660,224
AS36351 SoftLayer Technologies Inc. 4,641,792
AS11426 Charter Communications Inc 4,599,296
AS10455 Alcatel-Lucent 4,589,568
AS3651 Sprint 4,570,880
AS385 Air Force Systems Networking 3,998,208
AS81 MCNC 3,495,936
AS12271 Charter Communications Inc 3,254,016
AS4152 USDA 3,080,448
AS668 DoD Network Information Center 2,970,624
AS19108 Suddenlink Communications 2,850,304
AS1761 General Services Commission 2,690,048
AS4323 tw telecom holdings, inc. 2,325,248
AS35916 MULTACOM CORPORATION 2,259,968
AS7132 AT&T Corp. 2,252,032
AS16591 Google Fiber Inc. 2,244,608
AS7843 Charter Communications Inc 2,239,488
AS2152 California State University, Office of the Chancellor 2,149,120
AS19527 Google LLC 1,966,080
AS27064 DoD Network Information Center 1,844,736
AS4565 MegaPath Networks Inc. 1,798,656
AS3479 Kennesaw State University 1,772,032
AS14061 DigitalOcean, LLC 1,729,536
AS10695 Wal-Mart Stores, Inc. 1,705,216
AS7385 Integra Telecom, Inc. 1,674,752
AS18566 MegaPath Corporation 1,659,648
AS46606 Unified Layer 1,570,560
AS22561 CenturyLink Communications, LLC 1,513,216
AS210 Utah Education Network 1,510,400
AS18676 Avaya Inc. 1,507,328
AS18779 EGIHosting 1,468,160
AS13335 Cloudflare, Inc. 1,465,088
AS600 OARnet 1,446,400
AS30036 Mediacom Communications Corp 1,435,136
AS3371 MCI 1,368,064
AS2687 AT&T Global Network Services, LLC 1,348,864
AS7160 Oracle Corporation 1,341,952
AS158 Ericsson Network Systems, Inc. 1,325,824
AS5006 Inteliquent, inc. 1,210,368
AS6614 UNITED STATES CELLULAR TELEPHONE COMPANY (GREATER KNOXVILLE), L.P. 1,184,256
AS4010 Headquarters, USAISC 1,178,624
AS1226 California Technology Agency 1,169,152
AS109 Cisco Systems, Inc. 1,165,568
AS22284 Department of the Interior, Office of theSecretary 1,164,800
AS12083 WideOpenWest Finance LLC 1,148,928
AS7155 ViaSat,Inc. 1,144,576
AS72 Schlumberger Limited 1,131,520
AS4181 TDS TELECOM 1,122,816
AS5972 DoD Network Information Center 1,102,848
AS7792 3M Company 1,075,712
AS3491 PCCW Global, Inc. 1,054,976
AS46690 Southern New England Telephone Company and SNET America, Inc. 1,049,088
AS6079 RCN 1,019,904
AS26496 GoDaddy.com, LLC 995,328
AS8103 Florida Department of Management Services - Division of Telecommunications 990,976
AS637 DoD Network Information Center 986,368
AS31898 Oracle Corporation 980,992
AS14654 Wayport, Inc. 974,848
AS20473 Choopa, LLC 969,728
AS6621 Hughes Network Systems 949,504
AS1906 Northrop Grumman 932,096
AS11492 CABLE ONE, INC. 921,344
AS6325 Illinois Century Network 882,944
AS40676 Psychz Networks 871,424
AS703 MCI Communications Services, Inc. d/b/a Verizon Business 869,888
AS270 National Aeronautics and Space Administration 851,712
AS15003 Nobis Technology Group, LLC 840,960
AS7046 MCI Communications Services, Inc. d/b/a Verizon Business 802,560
AS297 National Aeronautics and Space Administration 801,024
AS33070 Rackspace Hosting 799,488
AS2379 CenturyLink Communications, LLC 795,648
AS386 Air Force Systems Networking 795,136
AS7430 Hewlett-Packard Company 789,248
AS36352 ColoCrossing 788,992
AS2572 University of Missouri - dba the Missouri Research and Education Network (MOREnet) 787,968
AS3354 University of Texas System 786,944
AS6461 Zayo Bandwidth 781,824
AS33588 Charter Communications 762,368
AS19773 Motorola, Inc. 736,512
AS11404 vanoppen.biz LLC 721,664
AS6181 Cincinnati Bell Telephone Company LLC 703,744
AS18978 Enzu Inc 686,592
AS31822 City University of New York 676,096
AS7015 Comcast Cable Communications, LLC 663,808
AS36375 University of Michigan 662,528
AS7726 FedEx Internet Technologies Corporation 657,920
AS3128 University of Wisconsin System 655,360
AS11232 Midcontinent Communications 653,824
AS10430 Washington State K-20 Telecommunications Network 647,936
AS4193 State of Washington 644,352
AS2381 WiscNet 631,552
AS87 Indiana University 631,040
AS395954 Leaseweb USA, Inc. 621,312
AS14265 TPx Communications 610,304
AS3737 PenTeleData Inc. 596,480
AS14977 State of Wyoming Department A&I 595,200
AS2897 Georgia Technology Authority 590,080
AS17184 CBEYOND COMMUNICATIONS, LLC 587,008
AS7011 Frontier Communications of America, Inc. 580,864
AS7065 Sonoma Interconnect 574,720
AS62904 Eonix Corporation 553,728
AS6453 TATA COMMUNICATIONS (AMERICA) INC 551,936
AS391 Air Force Systems Networking 551,680
AS8030 AT&T WorldNet 551,424
AS19994 Rackspace Hosting 534,528
AS7834 L-3 Communications Corporation 530,176
AS3598 Microsoft Corporation 526,336
AS13325 State of Michigan, DMB-CNOC 524,544
AS1767 Indiana Higher Education Telecommunication System 519,424
AS46887 Lightower Fiber Networks I, LLC 518,912
AS33491 Comcast Cable Communications, LLC 514,304
AS2386 AT&T Data Communications Services 512,512
AS6939 Hurricane Electric LLC 512,256
AS22192 Pennsylvania State System of Higher Education 498,176
AS157 Silicon Graphics International Corp. 480,256
AS19957 AT&T Corp. 463,104
AS10782 Hewlett-Packard Company 460,800
AS367 DoD Network Information Center 453,376
AS8001 Net Access Corporation 450,048
AS63949 Linode, LLC 447,232
AS35908 Krypt Technologies 444,416
AS8100 QuadraNet Enterprises LLC 444,160
AS3999 The Pennsylvania State University 442,880
AS33651 Comcast Cable Communications, LLC 434,688
AS27046 DoD Network Information Center 428,544
AS17 Purdue University 426,240
AS17306 JAB Wireless, INC. 425,216
AS4544 ConXioN Corporation 421,120
AS10753 Level 3 Parent, LLC 420,352
AS5056 Aureon Network Services 417,792
AS797 AT&T Services, Inc. 412,160
AS6559 State of NC - State Telecommunications Services 409,856
AS2711 Spirit Communications 405,248
AS11663 State of Utah 400,896
AS1503 Headquarters, USAISC 400,128
AS17055 University of Utah 398,592
AS3372 MCI 398,336
AS7381 SunGard Availability Services LP 396,544
AS14340 Salesforce.com, Inc. 395,776
AS497 Air Force Systems Networking 395,008
AS440 Air Force Systems Networking 394,752
AS6122 Iowa Communications Network 394,240
AS3136 State of WI Dept. of Administration 393,984
AS54600 PEG TECH INC 391,936
AS1452 Headquarters, USAISC 384,000
AS17054 CONTINENTAL BROADBAND PENNSYLVANIA, INC. 383,232
AS1464 Headquarters, USAISC 380,416
AS11022 Alabanza, Inc. 377,856
AS491 Air Force Systems Networking 376,576
AS19165 Webpass Inc. 370,176
AS3680 Novell, Inc. 362,752
AS1998 State of Minnesota 361,984
AS53889 Micfo, LLC. 355,840
AS54489 CoreSpace, Inc. 353,024
AS26577 BAE Systems Inc. 344,064
AS11686 Education Networks of America 342,528
AS13649 ViaWest 342,528
AS3527 National Institutes of Health 336,640
AS32475 SingleHop LLC 334,336
AS16983 Conduent Business Services, LLC 334,336
AS32190 CDK Global, LLC 332,288
AS11363 Fujitsu America Inc. 331,776
AS8 Rice University 330,752
AS6075 Lockheed Martin Corporation 330,752
AS291 ESnet 330,240
AS132 Air Force Systems Networking 329,216
AS6289 American Honda Motor Co., Inc. 329,216
AS52 University of California, Los Angeles 328,960
AS3480 Kennesaw State University 328,704
AS59 University of Wisconsin Madison 328,448
AS29992 Department of Veterans Affairs 327,936
AS361 DoD Network Information Center 327,680
AS217 University of Minnesota 327,680
AS357 DoD Network Information Center 327,680
AS326 DoD Network Information Center 327,680
AS32 Stanford University 327,680
AS26662 XEROX CORPORATION 327,680
AS21769 Colocation America Corporation 325,888
AS40065 CNSERVERS LLC 321,536
AS5778 CenturyLink Communications, LLC 321,280
AS26810 U.S. Dept. of Health and Human Services 320,768
AS22742 Connecticut Education Network 319,232
AS3064 Affinity Internet, Inc 318,464
AS2688 AT&T Global Network Services, LLC 317,952
AS226 Los Nettos 315,136
AS46261 QuickPacket, LLC 314,624
AS21852 State Of Arkansas, Department of InformationSystems 313,088
AS27364 Armstrong Cable Services 312,320
AS19271 Peak 10 308,480
AS18747 IFX Corporation 308,224
AS7459 Grande Communications Networks, LLC 307,968
AS647 DoD Network Information Center 305,664
AS33650 Comcast Cable Communications, LLC 305,152
AS683 Argonne National Lab 302,080
AS21859 Zenlayer Inc 299,520
AS747 Headquarters, USAISC 299,008
AS18 University of Texas at Austin 299,008
AS23148 MCI Communications Services, Inc. d/b/a Verizon Business 297,728
AS54290 Hostwinds LLC. 297,728
AS73 University of Washington 297,216
AS13977 FAIRPOINT COMMUNICATIONS, INC. 296,448
AS557 University of Maine System 295,936
AS11714 Network Nebraska 294,912
AS246 Air Force Systems Networking 292,608
AS46375 Sonic Telecom LLC 291,072
AS11798 Ace Data Centers, Inc. 290,304
AS243 Harris Government Systems Sector 289,280
AS7127 Southern California Edison 286,976
AS7725 Comcast Cable Communications, LLC 286,976
AS23089 Hotwire Communications 286,208
AS20021 HostMySite 284,672
AS26228 DataPipe, Inc. 281,600
AS27357 Rackspace Hosting 281,088
AS1970 Texas A&M University 280,832
AS8070 Microsoft Corporation 280,576
AS8147 Ericsson Inc. 280,320
AS8047 GENERAL COMMUNICATION, INC. 278,784
AS3464 Alabama Supercomputer Network 278,016
AS23537 Micro Source, Inc. 276,992
AS4185 AT&T Corp. 275,456
AS127 Jet Propulsion Laboratory 274,944
AS4583 West Publishing Corporation 273,664
AS122 UPMC 272,896
AS2576 U. S. Department of Transportation 268,288
AS409 Air Force Systems Networking 267,264
AS1843 National Aeronautics and Space Administration 267,264
AS46573 Global Frag Networks 266,240
AS36149 Hawaiian Telcom Services Company, Inc. 264,960
AS792 Oracle Corporation 264,960
AS19113 Duke Energy Corporation 264,704
AS19902 Department of Administrative Services 263,424
AS6126 CA, Inc. 263,424
AS68 Los Alamos National Laboratory 263,168
AS55 University of Pennsylvania 262,656
AS4454 State of Tennessee 262,400
AS292 ESnet 262,400
AS36384 Google LLC 262,400
AS299 University of California, Irvine 262,400
AS7246 Bristol-Myers Squibb Company 262,144
AS40127 Longwood Medical and Academic Area (LMA) 262,144
AS14298 Environmental Protection Agency 262,144
AS6071 Unisys Corporation 259,072
AS6039 DoD Network Information Center 258,048
AS206 Computer Sciences Corporation 257,280
AS16657 Fibertech Networks, LLC 249,088
AS33597 InfoRelay Online Systems, Inc. 248,576
AS7270 IDT Corporation 248,576
AS11486 MCI Communications Services, Inc. d/b/a Verizon Business 248,320
AS32244 Liquid Web, L.L.C 246,272
AS6360 University of Hawaii 246,016
AS16572 AT&T Mobility LLC 245,760
AS23520 Columbus Networks USA, Inc. 234,240
AS13490 Buckeye Cablevision, Inc. 233,984
AS6527 Commonwealth of Massachusetts 230,656
AS14638 Liberty Cablevision of Puerto Rico 230,400
AS6192 University of California at Davis 229,632
AS1488 Headquarters, USAISC 229,632
AS10405 Union Pacific Railroad Company 229,376
AS5180 DoD Network Information Center 229,376
AS395139 NewYork-Presbyterian Hospital 229,376
AS2048 State of Louisiana Office of Telecommunications Management 220,416
AS3475 Navy Network Information Center (NNIC) 219,904
AS16526 Birch Telecom, Inc. 219,392
AS1798 State of Oregon 219,392
AS32982 U.S. Department of Energy 219,136
AS11272 C Spire Fiber 219,136
AS22552 eSited Solutions 216,576
AS15288 Alcanet International NA 216,320
AS1742 Harvard University 215,808
AS11757 Whirlpool Corporation 212,992
AS38 University of Illinois 212,992
AS14566 Conduent Business Services, LLC 212,992
AS531 Headquarters, USAISC 211,968
AS2055 Louisiana State University 210,688
AS5669 Interoute USA Inc. 209,664
AS14 Columbia University 208,896
AS21976 NJEDge.Net, Inc. 208,640
AS26854 New York State 206,592
AS10846 Deere & Company 205,824
AS4922 Shentel Communications, LLC 205,056
AS11530 CenturyLink Communications, LLC 204,800
AS1504 Headquarters, USAISC 203,520
AS23005 SWITCH, LTD 203,264
AS36850 University of North Carolina at Chapel Hill 203,264
AS22351 INTELSAT GLOBAL SERVICE CORPORATION 203,264
AS1479 Headquarters, USAISC 203,008
AS25 University of California at Berkeley 202,496
AS6431 ATT LABS 202,496
AS18756 Level 3 Parent, LLC 202,240
AS396349 Five College Net, LLC 201,472
AS10933 ATX Telecommunications Services 201,472
AS111 Boston University 201,216
AS30449 State of Arizona 201,216
AS91 Rensselaer Polytechnic Institute 198,912
AS18819 Entergy Corporation 198,656
AS13541 Mentor Graphics Corporation 198,656
AS11719 Eaton Corporation 198,400
AS159 The Ohio State University 198,400
AS2013 PG&E 198,400
AS36291 Aventis Pharmaceuticals Inc. 198,400
AS225 University of Virginia 197,888
AS1602 Headquarters, USAISC 197,888
AS4130 University of Pittsburgh 197,632
AS1637 Headquarters, USAISC 197,632
AS11442 North Carolina State University 197,632
AS2637 Georgia Institute of Technology 197,376
AS26 Cornell University 197,376
AS14041 University Corporation for Atmospheric Research 197,376
AS11188 LOS ANGELES COUNTY - INTERNAL SERVICESDIVISION 197,376
AS1999 U.S. House of Representatives 197,120
AS1467 Headquarters, USAISC 196,864
AS2553 Florida State University 196,864
AS1506 Headquarters, USAISC 196,608
AS22390 XEROX CORPORATION 196,608
AS12079 Cellco Partnership DBA Verizon Wireless 196,608
AS3778 Temple University 196,608
AS22252 The City of New York 196,608
AS523 Headquarters, USAISC 196,608
AS1477 Headquarters, USAISC 196,608
AS3389 Ford Motor Company 196,608
AS340 DoD Network Information Center 196,608
AS5653 University of California San Francisco 196,608
AS7979 Servers.com, Inc. 196,352
AS23352 Server Central Network 194,304
AS7795 LUMOS Networks, Inc. 193,280
AS36647 Yahoo 192,768
AS13536 Tech Valley Communications 191,744
AS665 DoD Network Information Center 190,976
AS2648 NIST/U.S. Dept. of Commerce 188,672
AS7203 Leaseweb USA, Inc. 188,416
AS7859 pair Networks 188,416
AS6591 Intergraph Corporation 188,416
AS33490 Comcast Cable Communications, LLC 187,648
AS16586 CLEAR WIRELESS LLC 187,648
AS1494 Headquarters, USAISC 186,368
AS36444 NEXCESS.NET L.L.C. 185,088
AS1600 DoD Network Information Center 184,576
AS3593 Frontier Communications of America, Inc. 177,408
AS14230 Involta 177,408
AS2920 Los Angeles County Office of Education 176,896
AS33132 Fibernet Direct 176,128
AS45 Lawrence Livermore National Laboratory 175,360
AS7349 TierPoint, LLC 175,360
AS3701 Network for Education and Research in Oregon (NERO) 175,104
AS26347 New Dream Network, LLC 173,312
AS6130 American Internet Services, LLC. 172,544
AS12129 123.Net, Inc. 172,544
AS1489 Headquarters, USAISC 171,776
AS63008 Contina 171,264
AS14992 Newtek Technology Solutions, Inc 170,752
AS13645 BroadbandONE, Inc. 170,496
AS19969 Joe's Datacenter, LLC 170,240
AS14615 Comporium, Inc 170,240
AS2749 Navy Network Information Center (NNIC) 169,984
AS54113 Fastly 169,472
AS32098 Transtelco Inc 168,704
AS7393 CYBERCON, INC. 167,936
AS393398 Dallas Infrastructure Services, LLC 167,680
AS26101 Yahoo! 166,912
AS7321 LocalNet Corporation 166,656
AS7782 Alaska Communications Systems Group, Inc. 166,144
AS20214 Comcast Cable Communications, LLC 166,144
AS41 National Aeronautics and Space Administration 165,888
AS4983 Intel Corporation 165,888
AS33667 Comcast Cable Communications, LLC 165,632
AS2900 Arizona Tri University Network 165,120
AS5078 Oklahoma Network for Education Enrichment and 164,864
AS6072 Unisys Corporation 164,864
AS10921 Commonwealth of KentuckyDepartment of Information Systems 164,352
AS3851 Nevada System of Higher Education 163,840
AS1968 University of Massachusettes 163,840
AS6301 Hewlett-Packard Company 163,840
AS2495 Kansas Research and Education Network 163,840
AS10967 The Home Depot 163,840
AS1491 Headquarters, USAISC 163,840
AS26658 HT 162,304
AS20278 Nexeon Technologies, Inc. 161,792
AS6035 DoD Network Information Center 161,280
AS11398 CenturyLink Communications, LLC 161,280
AS11776 Atlantic Broadband Finance, LLC 161,024
AS33652 Comcast Cable Communications, LLC 160,000
AS2906 Netflix Streaming Services Inc. 159,744
AS14989 Broadview Networks, Inc. 159,744
AS2044 Infinity Internet, Inc. 159,488
AS33659 Comcast Cable Communications, LLC 159,232
AS10838 Charter Communications Inc 158,464
AS18885 M2ngage Telecommunications II Corp. 158,208
AS3663 NetNet 155,904
AS6099 Alameda County Office of Education 155,648
AS30361 Swiftwill, Inc. 155,648
AS14051 Consolidated Communications, Inc. 154,112
AS19397 ACN 153,856
AS195 San Diego Supercomputer Center 153,600
AS5050 Pittsburgh Supercomputing Center 152,832
AS14492 DataPipe, Inc. 152,064
AS30496 TierPoint, LLC 151,040
AS33660 Comcast Cable Communications, LLC 150,528
AS1706 University of Arizona 150,272
AS7016 Comcast Cable Communications, LLC 150,272
AS103 Northwestern University 150,016
AS6629 NOAA 149,760
AS11215 Logix 149,504
AS20454 SECURED SERVERS LLC 148,992
AS1312 Virginia Polytechnic Institute and State Univ. 148,992
AS14551 MCI Communications Services, Inc. d/b/a Verizon Business 148,736
AS19956 AT&T Corp. 147,968
AS13371 Duke University 147,712
AS23473 PAVLOV MEDIA INC 147,712
AS12180 Internap Corporation 147,456
AS8010 Digicon Corporation 147,456
AS23162 University of Kentucky 146,432
AS1498 Headquarters, USAISC 143,872
AS33084 DC-Net 143,872
AS32934 Facebook, Inc. 143,360
AS3734 Santa Clara County Office of Education 143,104
AS3614 Dell, Inc. 142,848
AS10879 Unitedhealthcare 142,848
AS11303 MCI Communications Services, Inc. d/b/a Verizon Business 142,336
AS3456 Charter Communications Inc 142,080
AS46562 Total Server Solutions L.L.C. 141,824
AS11878 tzulo, inc. 141,824
AS27 University of Maryland 141,824
AS11488 BBN Technologies Corp. 141,568
AS5742 Consolidated Communications, Inc. 140,288
AS18933 UNITED STATES CELLULAR TELEPHONE COMPANY (GREATER KNOXVILLE), L.P. 140,032
AS32440 Louisiana Board of Regents/Louisiana Optical Network Initiative (LONI) 139,520
AS3931 Logical Net Corporation 139,264
AS675 Minnesota State Colleges and Universities 139,264
AS396190 Leaseweb USA, Inc. 139,264
AS1252 University of Nebraska Medical Center 139,008
AS13367 Comcast Cable Communications, LLC 138,752
AS6041 DoD Network Information Center 138,752
AS6059 University of Maryland 138,496
AS29791 Internap Corporation 138,496
AS26934 University of Missouri-Columbia 138,496
AS5691 The MITRE Corporation 137,984
AS26554 US Signal Company, L.L.C. 137,472
AS88 Princeton University 137,472
AS19551 Incapsula Inc 136,960
AS14381 Caterpillar, Inc. 136,960
AS377 Sandia National Laboratories 136,704
AS1341 Rockwell Collins, Inc. 136,448
AS5647 Eastman Kodak Company 136,448
AS13 Headquarters, USAISC 136,448
AS16399 First Communications LLC 136,192
AS13333 Consolidated Communications, Inc. 135,424
AS22 Navy Network Information Center (NNIC) 135,424
AS20248 Take 2 Hosting, Inc. 135,168
AS19 Leidos, Inc. 135,168
AS188 SAIC 134,912
AS9 Carnegie Mellon University 134,656
AS11273 FIRST DATA CORPORATION 134,400
AS10497 The World Bank Group 134,144
AS47 University of Southern California 134,144
AS6 Bull HN Information Systems Inc. 133,888
AS3724 State of Alaska 133,888
AS399 Air Force Systems Networking 133,888
AS1580 DoD Network Information Center 133,888
AS14365 Adobe Systems Inc. 133,632
AS50 Oak Ridge National Laboratory 133,632
AS10599 McKesson Corp. 133,632
AS427 Air Force Systems Networking 133,632
AS3900 YHC Corporation 133,376
AS3512 Emory University 133,120
AS13576 SOUTH DAKOTA NETWORK 133,120
AS15227 LUMOS Networks, Inc. 133,120
AS1556 DoD Network Information Center 132,864
AS5719 SUNY at Stony Brook 132,864
AS7212 Vanderbilt University 132,864
AS19817 Telecom Evolutions, LLC 132,608
AS3388 University of New Mexico 132,608
AS194 University Corporation for Atmospheric Research 132,352
AS31 California Institute of Technology 132,352
AS6356 Northeast Regional Data Center 132,352
AS10441 CH2M HILL 132,352
AS11857 Aegon USA, Inc. 132,352
AS1778 DoD Network Information Center 132,352
AS3562 Sandia National Laboratories 132,352
AS14987 Rethem Hosting LLC 132,352
AS20337 SUNY Institute of Technology 132,352
AS131 University of California, Santa Barbara 132,096
AS10343 National Aeronautics and Space Administration 132,096
AS1460 Headquarters, USAISC 132,096
AS3955 Compucom Systems 132,096
AS46 Rutgers University 132,096
AS1649 Headquarters, USAISC 132,096
AS2642 State of California 131,840
AS22093 Cleveland Clinic Foundation 131,840
AS1505 Headquarters, USAISC 131,840
AS11834 Drexel University 131,840
AS347 DoD Network Information Center 131,840
AS1563 DoD Network Information Center 131,840
AS5723 Johns Hopkins University 131,584
AS1451 Headquarters, USAISC 131,584
AS36081 State of Colorado General Government Computer 131,584
AS1462 Headquarters, USAISC 131,584
AS11596 Best Buy Co., Inc. 131,584
AS29 Yale University 131,584
AS10370 Northwest Airlines 131,584
AS2025 University of Toledo 131,584
AS13695 American Electirc Power Co. 131,584
AS394919 FTV Business Services LLC 131,584
AS1254 National Aeronautics and Space Administration 131,584
AS156 Northeastern University 131,328
AS16831 Fujitsu Network Communications, Inc. 131,328
AS6200 University of Illinois at Chicago 131,328
AS20426 PriceWaterhouseCoopers, LLP 131,328
AS3676 University of Iowa 131,328
AS11078 Brown University 131,328
AS33442 Zebra Technologies 131,328
AS27026 networkMaryland 131,328
AS20478 General Mills 131,328
AS6106 University of California, Riverside 131,328
AS16 Lawrence Berkeley National Laboratory 131,328
AS3134 U.S. Agency for International Development 131,072
AS351 DoD Network Information Center 131,072
AS365 DoD Network Information Center 131,072
AS18722 SUPERVALU, Inc. 131,072
AS23193 Community College of Allegheny County 131,072
AS1701 National Aeronautics and Space Administration 131,072
AS1832 Southern Methodist University 131,072
AS36315 Servpac Inc. 131,072
AS4192 Oracle Corporation 131,072
AS32480 Loma Linda University Medical Center 131,072
AS19530 State of North Dakota, ITD 131,072
AS10702 Idaho National Laboratory 131,072
AS1224 National Center for Supercomputing Applications 131,072
AS1483 Headquarters, USAISC 131,072
AS3452 University of Alabama at Birmingham 131,072
AS10273 Florida Power & Light Company 131,072
AS11975 The College of William and Mary 131,072
AS11872 Syracuse University 131,072
AS331 DoD Network Information Center 131,072
AS11039 The George Washington University 131,072
AS11577 Vermont Department of Information and Innovation 131,072
AS5707 The University of Texas Health Science Center at Houston 131,072
AS4190 Binghamton University 131,072
AS10384 Tennessee Valley Authority 131,072
AS332 DoD Network Information Center 131,072
AS13636 NEC Laboratories America, Inc. 131,072
AS10995 PNC Bank 131,072
AS13809 University of Arkansas for Medical Sciences 131,072
AS341 DoD Network Information Center 131,072
AS14017 Burlington Northern Sante Fe Railway Corp 131,072
AS7925 West Virginia Network for Educational Telecomputing 131,072
AS1500 Headquarters, USAISC 131,072
AS1474 Headquarters, USAISC 131,072
AS6966 U.S. Department of State 131,072
AS356 DoD Network Information Center 131,072
AS48 Navy Network Information Center (NNIC) 131,072
AS688 Department of Interior 131,072
AS5739 University of California, Santa Cruz 131,072
AS16988 International Paper 131,072
AS3794 Texas A&M University 131,072
AS3743 ARCELORMITTAL USA INC. 131,072
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AS77 Johns Hopkins University Applied Physics Laboratory 67,584
AS63 Massachusetts Institute of Technology 67,584
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AS30629 Lewis & Clark College 65,792
AS6066 MCI Communications Services, Inc. d/b/a Verizon Business 65,792
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AS7867 TECH DATA CORPORATION 65,536
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AS1533 Headquarters, USAISC 65,536
AS11417 Northern Illinois University 65,536
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AS53446 Eastern Virginia Medical School 65,536
AS15323 Bellevue School District #405 65,536
AS4241 California State Franchise Tax Board 65,536
AS15307 Childrens Hospital and Regional Medical Center 65,536
AS40503 Hiram College 65,536
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AS20239 ALLETE, Inc. 65,536
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AS46470 Skidmore College 65,536
AS11399 Williams College 65,536
AS17311 Erie County Medical Center 65,536
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AS32125 Wheaton College 65,536
AS14348 University of Rhode Island 65,536
AS19739 County of San Bernardino 65,536
AS13429 Medical University of South Carolina 65,536
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AS350 DoD Network Information Center 65,536
AS55282 SUNY Canton 65,536
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AS20162 University of Texas at Dallas 65,536
AS92 Clarkson University 65,536
AS32136 Farmingdale State College 65,536
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AS98 The Rockefeller University 65,536
AS30703 State University of New York, Health Science Center at Syracuse 65,536
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AS30408 Arkansas State University 65,536
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AS32513 BATTELLE MEMORIAL INSTITUTE 65,536
AS40112 Omaha Public Power District 65,536
AS11607 South Dakota State University 65,536
AS46103 University of Wisconsin Whitewater 65,536
AS22226 San Francisco Unified School District 65,536
AS11348 Missouri University of Science and Technology 65,536
AS30376 College of St. Scholastica 65,536
AS30710 Spectrum Health 65,536
AS26675 Region IV Education Service Center 65,536
AS343 DoD Network Information Center 65,536
AS22217 Calvin College 65,536
AS11333 CyberTrails 65,536
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AS13327 Eastern Kentucky University 65,536
AS13326 Tufts University 65,536
AS2575 Salt River Project Agricultural Improvement & Power District 65,536
AS46476 Texas Tech University Health Sciences Center 65,536
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AS18759 Armstrong Atlantic State University 65,536
AS15119 Southern Illinois University 65,536
AS11318 Georgetown University 65,536
AS352 DoD Network Information Center 65,536
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AS22834 Boston College 65,536
AS25968 Southeastern Louisiana University 65,536
AS6056 Colby College 65,536
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AS342 DoD Network Information Center 65,536
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AS23241 big planet, inc. 65,536
AS22864 The University of Texas - Pan American 65,536
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AS30674 Baylor University 65,536
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AS7764 U. S. Bureau of the Census 65,536
AS10499 Rochester Gas and Electric Corporation 65,536
AS20085 The University of Akron 65,536
AS17052 Target Corporation 65,536
AS327 DoD Network Information Center 65,536
AS55013 MTS Systems Corporation 65,536
AS22828 Parklawn Computer Center / DIMES HQ 65,536
AS10755 Dartmouth College 65,536
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AS29702 Alaska Airlines, Inc. 65,536
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AS25969 St. Louis University 65,536
AS33004 Empire State College 65,536
AS33030 College of Wooster 65,536
AS289 Headquarters, USAISC 65,536
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AS54994 QUANTIL NETWORKS INC 65,536
AS5058 Navy Network Information Center (NNIC) 65,536
AS20062 WASTE MANAGEMENT INC. 65,536
AS14981 Kirkland & Ellis LLP 65,536
AS2769 State of Nebraska - Office of the Chief Information Officer 65,536
AS3795 Bryn Mawr College 65,536
AS21558 S.C. Johnson & Son, Inc. 65,536
AS6341 Wisconsin Electric Power Company 65,536
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AS3810 Volkswagen Group of America, Inc. 65,536
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AS3782 Swarthmore College 65,536
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AS5376 DoD Network Information Center 65,536
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AS316 DoD Network Information Center 65,536
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AS54680 Hewlett-Packard Company 65,536
AS371 DoD Network Information Center 65,536
AS6261 Windstream Communications LLC 65,536
AS2037 California State University at Fresno 65,536
AS5656 accessU.S./BASENet 65,536
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AS19933 Buffalo State College 65,536
AS1519 Headquarters, USAISC 65,536
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AS320 DoD Network Information Center 65,536
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AS27405 Plymouth State College 65,536
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AS205 Montclair State University 65,536
AS349 DoD Network Information Center 65,536
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AS348 DoD Network Information Center 65,536
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AS328 DoD Network Information Center 65,536
AS14048 The University of Memphis 65,536
AS1201 Old Dominion University 65,536
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AS339 DoD Network Information Center 65,536
AS22700 University of San Francisco 65,536
AS46564 Nordstrom, Inc. 65,536
AS22174 State University of New York College ofTechnology at Alfred 65,536
AS14737 Colorado Community College and Occupational Education System 65,536
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AS10448 Villanova University 65,536
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AS11971 Pfizer Inc. 65,536
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AS353 DoD Network Information Center 65,536
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AS32906 FACTORY MUTUAL INSURANCE COMPANY 65,536
AS7297 The Associated Press 65,536
AS27283 Raymond James Financial, Inc. 65,536
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AS368 DoD Network Information Center 65,536
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AS18515 University of Texas at Arlington 65,536
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AS319 DoD Network Information Center 65,536
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AS167 Wesleyan University 65,536
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AS14513 Des Moines Area Community College 65,536
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AS322 DoD Network Information Center 65,536
AS2496 University of Kansas 65,536
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AS19380 C. H. Robinson Company 65,536
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AS7150 Bloomsburg University 65,536
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AS1432 Albion College 65,536
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AS22990 University at Albany, State University of New York 65,536
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AS11552 Phoenix Life Insurance, Inc. 65,536
AS24 National Aeronautics and Space Administration 65,536
AS8036 University of Tulsa 65,536
AS16435 Fluke Electronics 65,536
AS23282 Santa Barbara County 65,536
AS33153 SUNY College at Potsdam 65,536
AS11546 University of Nebraska at Omaha 65,536
AS14183 University of Arkansas at Little Rock 65,536
AS16461 The University of Texas at El Paso 65,536
AS14169 Virginia Military Institute 65,536
AS186 The Catholic University of America 65,536
AS21680 Great-West Life Assurance Company 65,536
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AS16430 University of Southern Mississippi 65,536
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AS7968 Loyola University Chicago 65,536
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AS1289 Colgate University 65,536
AS5661 UNIVERSITY OF SOUTH FLORIDA 65,536
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AS13548 College of Charleston 65,536
AS6932 EBSCO Publishing 65,536
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AS14433 State University of New York - Oswego 65,536
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AS14486 Occidental College 65,536
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AS149 DoD Network Information Center 51,968
AS30600 Metronet 51,968
AS23033 Wowrack.com 51,968
AS4265 California Education and Research Federation Network 51,968
AS64267 Sprious LLC 51,712
AS29944 Latisys-Ashburn, LLC 51,712
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AS3606 Connecticut College 49,152
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AS46512 University of Tennessee Medical Center 49,152
AS21886 MINDSHIFT TECHNOLOGIES 48,640
AS6062 NETPLEX 48,384
AS3375 MCI 48,384
AS7489 HostUS 48,128
AS3801 Mikrotec Internet Services 48,128
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AS12179 Internap Corporation 46,080
AS4268 California Education and Research Federation Network 46,080
AS14676 Regus Business Centre, LLC 45,824
AS36692 OpenDNS, LLC 45,824
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AS33489 Comcast Cable Communications, LLC 45,568
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AS705 MCI Communications Services, Inc. d/b/a Verizon Business 45,568
AS15250 USFamily.net 45,312
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AS3833 wyoming.com 43,520
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AS26091 Indiana Data Center, LLC 40,960
AS11025 Comcast Cable Communications, LLC 40,960
AS18474 Aeneas Internet Services 40,960
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AS17071 UBS AG 17,920
AS3738 State Street Bank and Trust Company 17,920
AS14671 FairPoint Communications 17,920
AS22647 Fairpoint Communications 17,920
AS11853 Internap Corporation 17,920
AS46293 Midwest Energy & Communications 17,920
AS1828 Unitas Global LLC 17,920
AS7819 Global IP Networks INC 17,920
AS7799 Olypen, Inc. 17,920
AS32743 U.S. COLO, LLC 17,920
AS13703 Virtual Citadel Inc. 17,920
AS25746 Unisys Corporation 17,920
AS22944 Kentucky Community and Technical College System 17,920
AS4284 CenturyLink Communications, LLC 17,920
AS13984 SD Data Center 17,920
AS46841 Fork Networking, LLC 17,920
AS6025 DoD Network Information Center 17,664
AS23175 PogoZone 17,664
AS32524 Grupo-SMS USA, LLC 17,664
AS25649 AYERA TECHNOLOGIES, INC. 17,664
AS40923 Fidelity Investments 17,664
AS14904 IBM 17,664
AS26081 Santee Cooper 17,664
AS25844 Skadden, Arps, Slate, Meagher & Flom LLP 17,664
AS11711 TULAROSA COMMUNICATIONS, INC. 17,664
AS4261 Intermart Inc. 17,664
AS21713 Bulloch County Rural Telephone Cooperative, Inc. 17,664
AS6984 Verizon Data Services LLC 17,664
AS22402 Nextera Communications LLC 17,664
AS5783 Kern County Superintendent of Schools 17,408
AS40511 Fireline Network Solutions, Inc. 17,408
AS11353 Education Service Center Region XI 17,408

Details

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

This page shows ASNs for United States. See the global ASN report for network, IP address information and whois details for other countries.