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  2. 38.0.0.0/8
  3. AS174  | 38.0.0.0/8

38.0.0.0/8

AS174  ·  Cogent Communications, LLC

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Summary

Country United States
Domain cogentco.com
ASN AS174
Registry ARIN
ID COGENT-A

WHOIS Details

NetHandle:      NET-38-0-0-0-1
OrgID:          COGC
Parent:         
NetName:        COGENT-A
NetRange:       38.0.0.0 - 38.255.255.255
NetType:        allocation
RegDate:        1991-04-16
Updated:        2025-09-23
Source:         ARIN


OrgID:          COGC
OrgName:        Cogent Communications, LLC
CanAllocate:    
Street:         2450 N Street NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20037
Comment:        Geofeed https://geofeed.cogentco.com/geofeed.csv
RegDate:        2000-05-30
Updated:        2025-09-23
ReferralServer: rwhois://rwhois.cogentco.com:4321
OrgAdminHandle: IPALL-ARIN
OrgTechHandle:  IPALL-ARIN
OrgAbuseHandle: COGEN-ARIN
OrgNOCHandle:   ZC108-ARIN
Source:         ARIN


POCHandle:      IPALL-ARIN
IsRole:         Y
LastName:       IP Allocation
FirstName:      
Street:         2450 N Street NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20037
RegDate:        2002-11-13
Updated:        2025-07-08
OfficePhone:    +1-877-875-4311
Mailbox:        ipalloc@cogentco.com
Source:         ARIN


POCHandle:      ZC108-ARIN
IsRole:         Y
LastName:       Cogent Communications
FirstName:      
Street:         2450 N Street NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20037
RegDate:        2001-01-24
Updated:        2025-07-08
OfficePhone:    +1-877-875-4311
Mailbox:        noc@cogentco.com
Source:         ARIN


POCHandle:      COGEN-ARIN
IsRole:         Y
LastName:       Cogent Abuse
FirstName:      
Street:         2450 N street, NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20037
RegDate:        2002-11-13
Updated:        2025-07-08
OfficePhone:    +1-877-875-4311
Mailbox:        abuse@cogentco.com
Source:         ARIN

Overlapping Ranges

BGP prefixes that are contained by 38.0.0.0/8

Range ASN Company Num of IPs
38.246.68.0/24 AS174 Eastern Bank 256
38.111.223.0/24 AS1008 GANJINGWORLD CORPORATION 256
38.246.126.0/24 AS1008 Ganjingworld Corporation 256
38.246.81.0/24 AS1008 Ganjingworld Corporation 256
38.69.152.0/24 AS10099 China Unicom (Hong Kong) Operations Limited 256
38.111.220.0/24 AS10111 Zeofast Network / Flarespeed Technology Co Ltd 256
38.111.221.0/24 AS10111 Zeofast Network / Flarespeed Technology Co Ltd 256
38.124.249.0/24 AS10886 University of Maryland/Mid-Atlantic Crossroads (MAX) 256
38.99.168.0/24 AS1100 Ravand CyberTech Inc 256
38.117.75.0/24 AS11077 XBASE Technologies Corp. 256
38.69.130.0/24 AS11077 XBASE Technologies Corp. 256
38.92.53.0/24 AS11085 NCS Technologies 256
38.105.33.0/24 AS11088 IConnect Inc. 256
38.64.74.0/24 AS11160 COSTAR GROUP INC 256
38.115.1.0/24 AS11361 Boscov's Department Store LLC 256
38.211.38.0/24 AS11432 Telium Telecomunicações Ltda 256
38.52.204.0/24 AS11432 Telium Telecomunicações Ltda 256
38.105.7.0/24 AS11457 Digital Realty Trust 256
38.71.70.0/24 AS11586 Johnson Outdoors Inc. 256
38.99.129.0/24 AS11636 MServices Limited Partnership 256
38.29.170.0/24 AS11686 Education Networks of America 256
38.27.118.0/24 AS11713 Congruity 256
38.79.75.0/24 AS11775 Clougix 256
38.105.166.0/24 AS11903 Lincolnshire Management Inc 256
38.105.136.0/24 AS12157 Element Capital 256
38.102.25.0/24 AS12183 Talkie Communications Inc. 256
38.124.143.0/24 AS12183 Talkie Communications Inc. 256
38.110.36.0/24 AS174 Wiretap Telecom, LLC 256
38.110.47.0/24 AS174 Veloxee Corp 256
38.110.58.0/24 AS174 Servidores y Sistemas S.A. de C.V. 256
38.110.61.0/24 AS174 Lockstep Technology Group, LLC 256
38.110.66.0/24 AS174 The Rostie Group 256
38.110.7.0/24 AS174 Lantern Technology LLC 256
38.111.103.0/24 AS174 Lakeland Energy 256
38.111.11.0/24 AS174 HEI Cambridge, LLC d/b/a Le Meridien Cambridge 256
38.111.113.0/24 AS174 Ventum Financial Corp. 256
38.111.115.0/24 AS174 Bells & Whistles Communications, Inc. 256
38.111.14.0/24 AS174 ISI Group 256
38.111.149.0/24 AS174 The Presidio Trust 256
38.111.157.0/24 AS174 California Nurses Association 256
38.111.16.0/24 AS174 Massachusetts Convention Center Authority 256
38.111.161.0/24 AS174 Surge Staffing 256
38.111.163.0/24 AS174 SelectUS Consulting 256
38.111.17.0/24 AS174 Cogent Communications - IPENG 256
38.111.18.0/24 AS174 Guang Xun Yong Yao Limited 256
38.111.181.0/24 AS174 Porter Wright Morris & Arthur LLP 256
38.111.192.0/24 AS174 OpsRamp Inc 256
38.111.193.0/24 AS174 Cogent communications - IPENG 256
38.111.195.0/24 AS174 Altair Engineering, Inc 256
38.111.197.0/24 AS174 Security Centric 256

Hosted domains

There are 4,932,403 domain names hosted across 844,862 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
38.97.40.218 startplay.sbs 2519
38.97.40.217 jejoamos.icu 2518
38.97.40.219 desuisfaithful.top 2516
38.64.166.13 laredorealestatehomes.com 2065
38.88.82.220 focuslinkglobal.com 2057
38.45.18.203 makelogoonlinefree.com 1982
38.70.16.72 edhelper.com 1026
38.88.82.216 flatearth101.com 849
38.88.82.214 amomentintime-thebook.com 788
38.88.82.62 hobbizine.com 787
38.88.82.217 uncloakedmystics.com 737
38.190.187.101 bistrosalud.com 725
38.88.82.218 sunnionlineradio.com 719
38.88.82.215 gngpublications.com 674
38.40.244.238 hfhhjc.com 617
38.88.82.58 allaboutradiocaroline.org 579
38.63.68.228 11192.top 571
38.88.82.224 canadit.com 541
38.88.82.223 controlfreaksautomation.net 540
38.134.148.18 musikunivers.com 518

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity
Read more

Pingable IPs

2,284,965 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
38.2.120.223 AS174 Cogent Communications, LLC 18.38ms from Durham, US
38.2.23.1 AS18615 Mainstream Fiber Networks, LLC 2.31ms from Indianapolis, US
38.2.236.1 AS174 Cogent Communications, LLC 2.32ms from Lincoln, US
38.2.104.78 AS10971 Cass Cable TV, Inc. 4.24ms from St. Louis, US
38.2.241.132 AS401377 PUMA SERVERS LLC 0.29ms from Ashburn, US
38.2.198.26 AS7250 Surry Telephone Membership Corporation 11.81ms from Durham, US
38.2.78.242 AS174 Cogent Communications, LLC 41.78ms from Miami, US
38.2.110.245 AS10971 Cass Cable TV, Inc. 4.86ms from St. Louis, US
38.2.240.129 AS401377 PUMA SERVERS LLC 0.30ms from Ashburn, US
38.2.243.14 AS401377 PUMA SERVERS LLC 0.30ms from Ashburn, US
38.2.12.120 AS18615 Mainstream Fiber Networks, LLC 5.70ms from Indianapolis, US
38.2.40.152 AS393442 United Electric Cooperative 3.33ms from Kansas City, US
38.2.239.1 AS174 Cogent Communications, LLC 2.01ms from Lincoln, US
38.2.92.59 AS174 Cogent Communications, LLC 33.92ms from Miami, US
38.2.65.206 AS174 Cogent Communications, LLC 40.17ms from Miami, US
38.2.171.38 AS21559 OSNET 4.18ms from San Juan, PR
38.2.101.183 AS10971 Cass Cable TV, Inc. 4.27ms from St. Louis, US
38.2.244.142 AS401377 PUMA SERVERS LLC 0.29ms from Ashburn, US
38.2.5.52 AS18615 Mainstream Fiber Networks, LLC 3.89ms from Indianapolis, US
38.2.18.1 AS18615 Mainstream Fiber Networks, LLC 4.94ms from Indianapolis, US
38.2.64.2 AS174 Cogent Communications, LLC 31.78ms from Miami, US
38.2.165.59 AS21559 OSNET 3.13ms from San Juan, PR
38.2.97.170 AS10971 Cass Cable TV, Inc. 4.22ms from St. Louis, US
38.2.117.7 AS174 Cogent Communications, LLC 19.75ms from Durham, US
38.2.115.184 AS174 Cogent Communications, LLC 16.71ms from Durham, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
98.184.71.248 AS22773 Cox Communications Inc. 19.77ms from Ashburn, US
72.218.225.216 AS22773 Cox Communications Inc. 8.71ms from Ashburn, US
181.122.245.8 AS23201 Telecel S.A. 8.44ms from Asuncion, PY
123.118.169.136 AS4808 China Unicom Beijing Province Network 3.96ms from Beijing, CN
193.58.40.200 AS6848 Telenet BV 3.79ms from Brussels, BE
45.17.255.104 AS7018 AT&T Enterprises, LLC 2.02ms from Dallas, US
52.48.208.8 AS16509 Amazon.com, Inc. 0.15ms from Dublin, IE
86.47.130.168 AS5466 Eircom Limited 0.94ms from Dublin, IE
42.112.121.136 AS18403 FPT Telecom Company 11.27ms from Ho Chi Minh City, VN
20.189.131.56 AS8075 Microsoft Corporation 0.61ms from San Jose, US
190.95.67.104 AS14117 Telefonica del Sur S.A. 2.04ms from Santiago, CL
174.61.198.248 AS7922 Comcast Cable Communications, LLC 9.50ms from Seattle, US
71.58.3.24 AS7922 Comcast Cable Communications, LLC 9.13ms from Secaucus, US
52.63.39.232 AS16509 Amazon.com, Inc. 0.15ms from Sydney, AU
193.110.10.8 AS8971 Eviden Austria GmbH 1.52ms from Vienna, AT
54.185.40.152 AS16509 Amazon.com, Inc. 0.21ms from Boardman, US
20.141.36.104 AS8070 Microsoft Corporation 0.63ms from Boydton, US
162.205.118.136 AS7018 AT&T Enterprises, LLC 10.08ms from Columbus, US
74.195.198.24 AS19108 Optimum 17.41ms from Dallas, US
47.186.177.56 AS5650 Frontier Communications of America, Inc. 9.44ms from Dallas, US
103.14.130.184 AS38067 Radiant Communications Limited 0.58ms from Dhaka, BD
14.244.204.184 AS45899 VNPT Corp 4.62ms from Hanoi, VN
60.53.69.184 AS4788 TM TECHNOLOGY SERVICES SDN. BHD. 4.75ms from Kuala Lumpur, MY
39.152.5.40 AS56044 China Mobile communications corporation 6.91ms from Liaoyang, CN
209.74.64.24 AS22612 Namecheap, Inc. 10.50ms from Los Angeles, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -f5 38.57.145.136
traceroute to 38.57.145.136 (38.57.145.136): 64 hops max, 52 byte packets
8 *
Measurement taken from IPinfo ProbeNet in New York City, US
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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