The report below shows ASNs assigned to South Korea, 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
AS4766 Korea Telecom 45,579,616
AS9318 SK Broadband Co Ltd 14,605,024
AS17858 LG POWERCOMM 9,510,656
AS3786 LG DACOM Corporation 8,793,088
AS9644 SK Telecom 6,542,336
AS6619 SamsungSDS Inc. 2,489,600
AS9316 DACOM-PUBNETPLUS 1,810,432
AS18302 SK Telecom 1,237,504
AS9457 DREAMLINE CO. 992,256
AS9848 Sejong Telecom 972,288
AS10036 DLIVE 867,328
AS38661 purplestones 619,520
AS9689 479,232
AS4670 Shinbiro 467,200
AS17853 LGTELECOM 412,928
AS4668 LG CNS 343,808
AS9845 CJ-HELLOVISION 340,736
AS1237 KISTI 339,968
AS17849 Tbroad Ginam Broadcating Co., Ltd. 313,600
AS17839 CJ-HELLOVISION 286,720
AS4663 ELIMNET, INC. 229,888
AS9943 KangNam CableTV 229,376
AS17864 TBROAD HANVIT BROADCASTING CO.,LTD. 225,280
AS17841 National Computing and information Service 208,544
AS23563 Tbroad Suwon Broadcasting Corporation 204,800
AS38701 Piranha Systems 201,728
AS9760 Korea Telecom 197,888
AS38676 flexnetworks 196,608
AS9694 Seokyung Cable Television Co.. Ltd. 196,608
AS17877 NexG 192,512
AS9286 KINX 181,504
AS45996 DAOU TECHNOLOGY 174,336
AS10066 CJ-HELLOVISION 155,648
AS45361 Ulsan Jung-Ang Broadcasting Network 150,016
AS18313 CJ-HELLOVISION 147,456
AS17608 ABN 143,360
AS7562 HCN Dongjak 141,056
AS38091 CJ-HELLOVISION 140,544
AS18310 TBROAD ABC BROADCASTING CO.,LTD. 137,216
AS9770 CJ-HELLOVISION 137,216
AS9981 Saero Network Service LTD 136,192
AS38700 SMILESERV 131,840
AS9761 KUMHO 131,072
AS10049 SK Co., 131,072
AS9488 Seoul National University 131,072
AS9697 CJ-HELLOVISION 121,856
AS9976 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 116,736
AS9946 KCTV JEJU BROADCASTING 111,104
AS9756 Tbroad Chungbu Broadcasting Co. 108,544
AS9781 GREEN CABLE TELEVISION STATION 106,496
AS9706 BUSAN EDUCATION RESEARCH & INFORMATION CENTER 102,144
AS4961 Daewoo Information Systems 100,352
AS38109 T Broad 99,328
AS38103 98,560
AS17577 CJ-HELLOVISION 98,304
AS17854 Tbroad jeonju broadcast 96,256
AS7557 Korea Trade Network 94,208
AS9319 HCN CHUNGBUK CABLE TV SYSTEMS 92,160
AS23576 NBP 90,880
AS1781 Korea Advanced Institute of Science and Technology 90,112
AS38690 HyosungITX 88,832
AS10171 SKTelink 86,016
AS4665 Yonsei University 79,104
AS38669 CJ-HELLOVISION 78,080
AS7623 Gyeongbuk Cable TV 77,824
AS17583 Keumgang Cable Network 76,800
AS23584 PUSAN CABLE TV SYSTEM CO., LTD. 76,032
AS9273 Ssangyong 75,776
AS10054 CMB Kwangju Broadcasting 75,776
AS17857 75,776
AS17597 75,776
AS9762 HYUNDAI COMMUNICATIONS & NETWORK 74,752
AS17598 CJ-HELLOVISION 74,080
AS18305 POSCO ICT 73,240
AS9686 SungKyunKwan University (SKKU) 72,704
AS45400 Korea Telecom 72,416
AS9950 DACOM-PUBNETPLUS 70,304
AS18300 KEPCO 69,376
AS23578 67,584
AS10164 67,584
AS9274 Pusan National University 67,584
AS6068 LG CNS 67,584
AS17871 67,584
AS46003 KOREACENTER 67,072
AS9842 Lotte Data Communication Company 66,976
AS9321 Hanyang University 66,304
AS7564 Korea Atomic Energy Research Institute 65,792
AS10052 Kyungpook National University 65,536
AS17866 Korea Institute of Science and Technology 65,536
AS9317 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 65,536
AS23980 Yeungnam University 65,536
AS9489 Korea Aerospace Research Institute 65,536
AS23908 IIAC 65,536
AS3813 Sogang University 65,536
AS9452 Korea University 65,536
AS18298 Chungnam National University 65,536
AS9753 Dong-A Universirty 65,536
AS10197 Chonnam National University 65,536
AS3748 Electronics and Telecommunications Research Institute 65,536
AS3784 Pohang University of Science and Technology 65,536
AS9698 CJ-HELLOVISION 65,024
AS45372 ULNetworks Co., Ltd. 63,488
AS45374 CCS 62,464
AS9971 TBROAD Dongdaemun cable networks,Inc. 57,344
AS17573 T Broad 56,320
AS38684 CMB Daejeon Broadcasting Co,.Ltd 55,040
AS10037 CJ-HELLOVISION 53,760
AS38097 52,992
AS38086 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 51,200
AS17870 Kyung Hee University 49,408
AS38095 49,152
AS18318 CJ-HELLOVISION 49,152
AS1704 Korea Advanced Institute of Science and Technology 49,152
AS38121 CJ-HELLOVISION 49,152
AS10175 Kumho Cable 46,080
AS23575 SK Broadband Co Ltd 44,800
AS17589 GABIA Inc. 41,344
AS38680 CMB 40,960
AS7560 Chonbuk National University 40,204
AS17862 Kangwon National University 40,192
AS38107 CDNetworks 39,680
AS9569 SEOCHO CABLE SYSTEMS CO., LTD. 37,888
AS45974 NHN Entertainment 36,864
AS9531 Gwangju Education Research Information Service 35,840
AS23714 Keimyung University 35,328
AS38673 Korea Cable TV Kwangju Broadcasting 34,816
AS38120 CJ-HELLOVISION 33,664
AS9764 Kakao Corp 33,408
AS38096 Qrixnowoncable, Inc. 32,768
AS9757 CMB DONGSEO BROADCASTING 32,768
AS17575 Chung-Ang University 32,768
AS38662 JND Communication 32,000
AS18158 CHUNGBUK NATIONAL UNIVERSITY 29,952
AS4792 SK communications 29,184
AS18328 Dotname Korea Corp 27,904
AS9769 Sejong University 27,904
AS18401 DAEGU UNIVERSITY 27,136
AS9524 AutoEverSystems Corp. 27,008
AS38692 Jeollabuk-do Provincial Office of Education 26,880
AS9712 INet Technologies Co., Ltd. 26,624
AS9708 Pukyong National University 25,856
AS45365 CJ-HELLOVISION 25,856
AS38402 Gyeonggi Provincial Suwon Office of Education 25,856
AS38705 KOREA DATA 25,856
AS18334 Gyounggidongbu cable tv co., Ltd. 25,600
AS10176 Daejon Metropolitan Office of Education 25,600
AS38390 Goyang Office of Education 25,144
AS9323 DONGGUK University 24,576
AS18330 HONGIK UNIVERSITY 24,576
AS9754 CHOSUN UNIVERSITY 24,576
AS9710 NeoWiz Corporation 24,576
AS9271 Wonkwang University 24,576
AS38133 CMB 24,576
AS17586 CJ-HELLOVISION 24,064
AS55618 UNIVERSITY OF ULSAN 23,552
AS9459 Konkuk University 23,552
AS10088 KWANGWOON UNIVERSITY 22,528
AS38406 Kyeonggi-Do Hwaseong Office of Education 21,928
AS38394 Gyeonggido Seongnam Office of Education 21,728
AS9868 Catholic University of DAEGU 21,632
AS38105 SOON CHUN HYANG UNIVERSITY 21,248
AS17881 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 21,248
AS55592 Korea Data Telecommunication Co., Ltd. 21,248
AS18319 YeungNam College of Science & Technology 20,736
AS38415 Guri Namyangju Office Of Education 20,592
AS18028 GyeongSang National University 20,480
AS9853 GORayNet 20,480
AS18026 JEJU NATIONAL UNIVERSITY 20,224
AS38411 Yongin office of education 19,544
AS23570 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 19,200
AS9270 National Infomation Society Agency 18,432
AS23571 Gangwondo Office of Education 18,176
AS38666 Actelecom 16,928
AS18170 Changwon National University 16,896
AS55600 Hana Broadcasting Co, Ltd 16,896
AS7622 Korea Advanced Institute of Science and Technology 16,384
AS10160 KDDI KOREA 16,384
AS10194 Doosan Heavy Industries & Construction Co.Ltd 16,384
AS18171 KYUNGNAM-UNIVERSITY 16,256
AS9572 Hankuk University of Foreign Studies Computer Center 16,128
AS38396 Paju office of Education Gyeonggi Province 16,120
AS45385 DAELIM Corporation 15,872
AS9980 Hyundai Information Technology 15,616
AS46010 SAMJUNG DATA SERVICE 15,616
AS9782 WooSong University 15,360
AS18297 K-JIST 14,848
AS9870 DONG-EUI UNIVERSITY 14,848
AS9647 Seoul Metropolitan Government 14,848
AS55615 DUZONBIZON 14,336
AS9691 KYUNGSUNG UNIVERSITY 14,336
AS18176 KOOKMIN UNIVERSITY 14,336
AS38398 Gyeonggi Uijeongbu office of Education 14,248
AS38400 Gyeonggi-do Pyongtaek Office Education 14,208
AS9578 Cheiljedang.Co.Inc. 14,096
AS38410 Pocheon Office of Education 13,920
AS46009 YABESK 13,824
AS18164 Mokpo University 13,568
AS9526 KOSCOM 13,320
AS9949 Hoseo University 13,312
AS7624 jeonju university 13,312
AS9530 SHINSEGAE I&C Co., Ltd. 13,216
AS9970 Korea University of Technology and Education 13,056
AS9775 Hannam University 13,056
AS23552 Korea Nazarene University 13,056
AS17584 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 13,056
AS38408 GYEONGGI PROVINCIAL ANYANG OFFICE OF EDUCATION 12,944
AS9962 Sunchon National University 12,544
AS9982 PAICHAI UNIVERSITY 12,544
AS9767 12,256
AS45377 Jeju Special Self Governing Provincial office of Education 12,032
AS18033 CMB TAEGU BROADCASTING 12,032
AS9523 Mokwon University 11,528
AS38395 GwangJuHaNam Office of Education 11,272
AS9778 DAEJIN UNIVERSITY 11,264
AS45399 Hanjin Information Systems & Telecommunication Co., Ltd 10,816
AS10045 Hanbat National University 10,496
AS10159 HANKUK Aviation University 10,496
AS9954 Kunsan National University (KNU) 10,496
AS45983 Seokyeong UNIV. 10,240
AS55606 DSME 10,240
AS23565 Daegu Metropolitan Office of Education 10,240
AS18023 Korea Maritime and Ocean University 10,240
AS38391 Gyeonggi provincial gimpo office of education 10,176
AS38412 Gyeonggi-Do Icheon office of Education 10,176
AS17615 Chongju University 9,984
AS45980 Cross On Net Inc. 9,984
AS38099 Kakao Corp 9,728
AS45403 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 9,728
AS18038 Korea National University of Education 9,728
AS10190 Joongbu University 9,728
AS38403 GunpoUiwang Office of Education 9,480
AS17570 SK Global co., Ltd 9,472
AS9696 Oscar Enterprise 9,280
AS7621 Kyonggi University 8,960
AS18034 Kangnung National University 8,960
AS9840 UIDUK UNIVERSITY 8,960
AS23582 Doosan Information Communication BU 8,960
AS9871 Gyeong Sang Buk-Do Office of Education 8,960
AS18031 Sangmyung University 8,896
AS38401 Gyeonggi Provincial Anseong Office of Education 8,720
AS10174 Munhwa Broadcasting Corporation 8,704
AS38132 JANGSEUNGPO-CABLE-NET .INC 8,704
AS18304 Konkuk University 8,704
AS45363 SunMoon University 8,704
AS9631 youngsan university 8,512
AS9955 Baekseok University 8,448
AS55628 SONGDO GLOBAL UNIVERSITY FOUNDATION 8,192
AS10166 Korea Water Resources Corporation 8,192
AS18161 HYNYANG WOMENS COLLEGE 8,192
AS17596 PINE ASSET SERVICE 8,192
AS9780 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 8,192
AS4791 8,192
AS17603 Kum oh National University of Technology (KNUT) 8,192
AS9322 Institute of Information and Computing, EWHA WOMANS UNIV. 8,192
AS9965 ANSAN COLLEGE 8,192
AS17843 Sahmyook University 8,192
AS7558 Korean Broadcasting System (KBS) 8,192
AS9494 National Infomation Society Agency 8,192
AS10189 Hyundai Ubiquitous & Information Technology) 7,936
AS9637 Dankook University 7,936
AS18027 Namseoul university 7,680
AS9777 Gyeongju University 7,680
AS38092 Jinnam Cable Network 7,424
AS4793 Hyundai Heavy Industries 7,424
AS4790 Chosun ilbo Inc. 7,424
AS18329 Sangmyung University 7,232
AS9576 SookMyung Womens university 7,168
AS9859 ChungCheong University 6,912
AS10071 anyang University 6,656
AS23983 Daejeon University 6,656
AS9455 KERIS 6,432
AS10158 Kakao Corp 6,400
AS9638 National Agricultural Cooperative federation 6,400
AS18168 CMB TAEGU BROADCAST SUSEONG 6,400
AS17861 KyungNam College of Information & Technology 6,400
AS55622 CNUE 6,144
AS18163 Gyeongnam national university of science and technology 6,144
AS9952 Hostway IDC 6,144
AS9978 The University of Seoul 6,144
AS38422 Seowon University 5,888
AS55586 THE CATHOLIC UNIVERSITY OF KOREA SONGSIM 5,888
AS17595 Korea Institute of Nuclear Safety 5,632
AS45560 Top Global 5,632
AS17578 CHEJU HALLA UNIVERSITY 5,632
AS38424 KOREA CABLE TELECOM 5,632
AS9957 KINX 5,632
AS9862 GORayNet 5,632
AS38417 Gyeonggi Province Gapyeong office of Education 5,464
AS55632 Hansol High School 5,440
AS10185 Hana Bank Co. 5,440
AS18157 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 5,376
AS9867 VISION College of Jeonju 5,376
AS18035 HANSEO UNIVERSITY 5,376
AS17593 NDS Coporation 5,376
AS18337 KyungSan University 5,376
AS55624 DAELIM 5,120
AS23668 KOREA POLYTECHNIC UNIVERSITY 5,120
AS10053 yeonsung University 5,120
AS17837 NHN KCP Corp. 5,120
AS55625 Chungwoon University 5,120
AS9774 Dongseo University 5,120
AS45379 Ulsan National Institute of Science and Technology 5,120
AS38695 bucheon university 5,120
AS55616 DGIST 4,896
AS38389 FAMOUS WORKER 4,864
AS23579 Seoul Metropolitan Office Of Education 4,864
AS10073 Korea National Open University 4,864
AS38416 Gyeonggi Yeoncheon Office of Education 4,784
AS9684 HANWHA Corp./Information Service div. 4,672
AS9959 KOREA STOCK EXCHANGE 4,608
AS9532 Daewoo Securities Co., Ltd. 4,608
AS135605 Shanghai Xima Internet Technology Limited 4,608
AS18341 Gumi College 4,608
AS38697 Hankyong National Univercity 4,584
AS18029 Daejeon Helath Sciences College 4,352
AS17856 Konyang University 4,352
AS38117 jin san cable net company ltd 4,352
AS10162 SNUH 4,224
AS3608 Korea Rural Community Corporation 4,168
AS23759 TechnoMart Information & Communication Company 4,096
AS10180 Duksung Womens University 4,096
AS46012 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 4,096
AS17609 Silla Univ 4,096
AS46004 SK Broadband Co Ltd 4,096
AS23566 HungKuk Life Insurance 4,096
AS45396 Limelight Networks Korea Ltd 4,096
AS9763 KIC for Agriculture 4,096
AS17845 Gyeonggi Technopark 4,096
AS4669 AfreecaTV Co., Ltd 4,096
AS55587 GORayNet 4,096
AS17846 SK Broadband Co Ltd 4,096
AS9277 SK Broadband Co Ltd 4,096
AS10070 KRISS SubDAEJONnetworks connected to backbone 4,096
AS38110 Chungwoon University 3,856
AS45376 HALLAHOLDINGS 3,840
AS18343 Daegu Technical College 3,840
AS45991 Kakao Corp 3,840
AS23975 Yonam Institute of Technology 3,840
AS38094 TCBNET 3,584
AS38114 Shinjin Network 3,584
AS9849 Office of the president 3,584
AS23561 Yongin University 3,584
AS17599 Yuhan College 3,584
AS55627 Dongduk Womens University 3,328
AS9272 HANSOFT, INC. 3,328
AS10178 Korea Baptist Theological University/Seminary 3,328
AS18331 Daejeon Institute of Science and Technology 3,328
AS23569 SEOJEONG COLLEGE 3,208
AS17606 SM LINE CORPORATION 3,072
AS18320 Kwangju National University of Education 3,072
AS10046 HOWON UNIVERSITY 3,072
AS23581 Hynix Semiconductor Inc. 2,816
AS9972 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 2,816
AS18169 MEMC Korea 2,816
AS17614 Geumgang University 2,816
AS17574 Seoul Metropolitan Government Computer Center 2,816
AS45382 EHOSTIDC 2,816
AS18324 Masan College 2,560
AS38113 KUMC 2,560
AS38123 asan medical center 2,560
AS38694 CHEONGJU NATIONAL UNIVERSITY OF EDCATION 2,560
AS38131 Mokpo National Maritime University 2,560
AS55612 LG DACOM Corporation 2,560
AS7561 Samsung Electronics Co. 2,560
AS23743 Keuk Dong University 2,560
AS9705 SK Co., 2,560
AS7559 donga.com 2,560
AS17873 Daewoo Securities Co., Ltd. 2,560
AS10198 Catholic University of Pusan 2,560
AS17865 Supreme Court of Korea 2,336
AS38703 KTBnetwork Co., Ltd. 2,304
AS9857 KOREA GAS CORPORATION 2,304
AS9851 kongju communication arts university 2,304
AS10035 Hyundai Department Store Co., Ltd. 2,304
AS23600 Korea Internet Security Agency 2,304
AS38671 S-OIL Corp., Ltd 2,304
AS9700 Korea Internet Security Agency 2,304
AS10167 HANVIT BANK 2,184
AS10047 Namseoul university 2,176
AS9776 KOOKMIN BANK 2,064
AS45976 godosoft 2,048
AS45445 General Motors Korea, Bupyeong 2,048
AS38090 pearlabyss 2,048
AS45393 SFS 2,048
AS23990 MigumCableNetwork 2,048
AS38111 SOONGEUI WOMENS COLLEGE 2,048
AS10169 AMOREPACIFIC 2,048
AS23559 Nambu District Office of Education in Seoul 2,048
AS24027 Chinju National University of Education 2,048
AS10063 Korea Meteorological Administration 2,048
AS17838 HYUNDAI HOMESHOPPING 2,048
AS23553 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 2,048
AS38127 GUNSAN broad 2,048
AS9953 Hyundai Engineering & Construction Co., Ltd.(HDEC) 2,048
AS9528 Taejon Institute of Education Science 2,048
AS55611 kyungmin university 2,048
AS9693 KFTC 2,048
AS10042 SUSEONG COLLEGE 2,048
AS45965 SHINSEGAE I&C 2,048
AS45995 SK planet 2,048
AS10050 The National Library of Korea 1,952
AS17579 KISTI 1,946
AS17590 KOCCA 1,920
AS9856 WOORI Investment @ Securities 1,920
AS38427 FORCETEC Co., LTD. 1,856
AS10044 Rural Development Administration (RDA) 1,856
AS9688 LG DACOM Corporation 1,792
AS55589 Korea Institute of Industrial Technology 1,792
AS38685 KIOST 1,792
AS45383 SONET.co.,ltd 1,792
AS38420 BCCARD 1,792
AS38393 GangNam District office of Education 1,792
AS23556 INITECH 1,792
AS9852 Samil PwC 1,792
AS18323 Seoul National University Bundang Hospital 1,792
AS45366 cyberlogitec 1,792
AS9275 Korea Astronomy Observatory 1,792
AS18315 Sorabol College 1,792
AS9944 LG Home shopping Inc. 1,664
AS38130 SamsungSDS Inc. 1,664
AS10165 KOREA CUSTOMS SERVICE 1,632
AS17859 NICEINFOMATIONSERVICE 1,568
AS38660 KHNP 1,552
AS9759 HIINVESTMENT SECURITIES CO., LTD 1,536
AS2385 JUNGBU 1,536
AS17852 KOREALIFE 1,536
AS3357 DongJak District office of Education 1,536
AS17580 Ministry of Information Communication 1,536
AS38104 Hyejeon University 1,536
AS9570 Daedong College 1,536
AS55621 Jeonju National University Of Education 1,536
AS4202 ottogi.co.kr 1,536
AS23554 Shinhan Bank 1,536
AS18314 HANASK card 1,536
AS55626 Kyungin Womens college 1,536
AS17592 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 1,536
AS9701 viaweb 1,536
AS38667 KOREA KAKAO CORP. 1,536
AS10056 Hyundai Marin & Fire Insurance 1,488
AS17863 Yonhap News Agency 1,472
AS23599 Korea Internet Security Agency 1,312
AS38668 Konkuk University Hospital 1,296
AS45389 Jeonlabukdo Education Research Information Institute 1,280
AS9643 KICA 1,280
AS55631 Korea trade insurance corporation 1,280
AS38704 KT POWERTEL 1,280
AS55629 TMON 1,280
AS9521 Korea Automotive Technology Institute 1,280
AS10156 Seoul National University of Education 1,280
AS38681 The Korea Economic Daily 1,280
AS9632 SEOUL DAIRY CO-OP. 1,280
AS23596 Korea Internet Security Agency 1,280
AS10058 NACUFOK 1,280
AS10196 KOOKMIN BANK 1,280
AS9704 Korea Investment Trust Management & Securities Co.,LTD 1,280
AS136209 Korea Fast Networks 1,280
AS46002 PHIS 1,280
AS38707 LG Dacom 1,280
AS9492 Maeil Business Newspaper 1,216
AS10051 Korea Post Information Center 1,184
AS38426 KOREA RURAL ECONOMIC INSTITUTE 1,164
AS9843 NHINFORMATIONSYSTEM 1,152
AS45990 Health Insurance Review & Assessment Service 1,152
AS9320 Supreme Court of Korea 1,152
AS17569 24si infocall co. ltd 1,120
AS9491 NICE 1,120
AS10181 Korea Register of Shipping 1,088
AS38124 DGBDATASYSTEM 1,056
AS55620 KNOC 1,040
AS38674 NLCS Jeju 1,040
AS38407 Gyeonggi-Do Ansan Office of Education 1,024
AS17587 HANSOL GYOYOOK 1,024
AS23580 DAILY SPORTSWORLD 1,024
AS17604 KINX 1,024
AS45979 KB DATA SYSTEMS 1,024
AS38125 Korea Expressway Corporation 1,024
AS55614 danal.co 1,024
AS9703 Shinhan Bank 1,024
AS55604 KOMSCO 1,024
AS45967 Entonetworks 1,024
AS18295 Allianz Life Insurance Co.Ltd 1,024
AS9577 KYOBO SECURITIES 1,024
AS23573 OCI Information Communication 1,024
AS9454 Watch Tower Bible and Tract Society of Korea 1,024
AS10179 Daehan Investment Trust Securities 1,024
AS38428 Korea Information & Communicaions Co.. 1,024
AS7563 Korea Internet Security Agency 1,024
AS9974 Korea Racing Association 1,024
AS10055 Korean National Railroad Administration 1,024
AS10034 SEOUL AGRICULTURAL & MARINE PRODUCTS CORP. 1,024
AS45405 ENTERMATE 1,024
AS38405 Gwang Myeong Office of Education 1,024
AS9951 AMWAYKOREA 1,024
AS17868 Hyupsung University 1,024
AS38399 Gyeonggi-do Yeoju Office of Education 1,024
AS38404 Gyeonggi Provincial Bucheon Office of Education 1,024
AS38431 KB Insurance 1,024
AS9642 Korea Internet Security Agency 1,024
AS38409 Dongducheonyangju office of Education 1,024
AS17600 KOREA RESOURCES RECOVERY AND REUTILIZATION CORPORATION 1,024
AS45388 SEVITNET 1,024
AS38414 Gyeonggi siheung office of education 1,024
AS38392 KYONGGI YANGPYEONG OFFICE OF EDUCATION 1,024
AS23572 American International Assurance Company Korea 1,024
AS38129 S1 CORPORATION 1,024
AS38112 Korea Housing & Urban Guarantee Corporation 1,024
AS18325 Korea Christian University 1,024
AS55593 netmarble games 1,024
AS9646 eGIOS 1,024
AS9968 KYOBO Life Insurance Co., Ltd. 896
AS45408 KOSAF 896
AS10183 Korea Culture Information Service Agency 896
AS45989 KL-Net Corp. 864
AS38434 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 840
AS9854 KTO 832
AS9711 Kyonggi provin educational information research institute 768
AS45984 Dongnam Institute of Radiologycal Sciences 768
AS10195 HAIonNet 768
AS9860 National Health Insurance Service 768
AS2563 Seoul Christain University 768
AS9634 GOODMORNING SHINHAN SECURITIES Co., Ltd. 768
AS55416 Yahoo Inc. 768
AS9629 HYUNDAICARD CO. 768
AS45987 Dongwha Enterprise Co. Ltd. 768
AS18373 KOOKMIN BANK 768
AS45977 CANONKOREA BUSINESS SOLUTIONS 768
AS10187 Korea Information Society Developement Institute 768
AS38663 NICEINFOMATIONSERVICE 768
AS23555 Shinhan Bank 768
AS46005 kyowonkumon 768
AS45381 SH Corporation of the Seoul Metropolitan 768
AS10182 Korea Shipping Association 768
AS38135 KDB Life Insurance Co.,Ltd 768
AS18326 Ktoto 768
AS38698 ubase 768
AS9709 KIS Information&Communication,Inc 768
AS17567 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 768
AS18294 SUHYUP BANK 768
AS45972 KOREA LAND AND GEOSPATIAL INFORMATIX CORPORATION 768
AS45407 768
AS38088 KOREA EAST-WEST POWER 704
AS46000 KB Insurance 640
AS38682 National Institute of Environmental Research 640
AS9493 HMC SECURITIES CO., LTD. 640
AS10040 NICE Information & Telecommunication, Inc 640
AS55610 KAIT 640
AS9850 WOW-TV 640
AS23568 Cycle Racing Association 576
AS38087 BUSANBANK 576
AS55633 pundang jesaeng general hospital 552
AS17582 Korea Investment Corporation 544
AS45404 SHINHAN LIFE INSURANCE CO.,LTD. 544
AS18338 STARVANKOREA 544
AS55605 daewonpharm 544
AS38100 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 520
AS9571 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 520
AS23564 Citibank Korea 520
AS9841 Korea Financial Investment Association 512
AS45384 Korea trade insurance corporation 512
AS10064 GEPS Cheonan Sagnokresort 512
AS17585 Public Procurement Service The Republic of Korea 512
AS38675 AITAS 512
AS17576 National Research Foundation of Korea 512
AS55630 KSNET.Inc 512
AS9487 Korea Technology Finance Corporation 512
AS17832 Korea Internet Security Agency 512
AS17591 National Research Foundation of Korea 512
AS18307 SR 512
AS9527 VP 512
AS9945 yoido full gaspel church 512
AS9948 NICE TCM 512
AS55602 kbcard 512
AS45386 uniconverse 512
AS38089 kbank 512
AS9685 FACT 512
AS7625 Kakao Corp 512
AS17880 SPORTSSEOUL21.CO 512
AS17869 Supreme Court of Korea 512
AS7627 Seoul Broadcasting System 512
AS9456 POSCO 512
AS46008 ForceTEC 512
AS46006 Cafe24 Corp. 512
AS9640 Korea Internet Security Agency 512
AS9966 TaeguTec 512
AS9692 Hanwha Investment & Securities Co., Ltd. 512
AS38678 Kakao Corp 512
AS55585 CAPE Investment & Securitie Co., Ltd. 512
AS55623 Korea Insurance Development Instute 512
AS45364 YTN 512
AS38683 National Electoin Commission 512
AS18309 Korea VAn Service Co.LTD 512
AS10069 Seoul Metro 512
AS45406 AJU Internet Technology 512
AS17594 SMBS 512
AS18299 BNK Securities Co.,Ltd 512
AS9699 Standard Chartered 512
AS9864 Korea Securities Depository 512
AS4756 KCTDI 512
AS18032 SHINHAN DATA SYSTEM 512
AS38696 Korea Brain Research Institute 512
AS18175 KPS 512
AS10173 KSNET.Inc 512
AS9847 Korea Securities Finance Corporation 512
AS45973 KOTRA 512
AS23971 CHUGYE UNIVERSITY FOR THE ARTS 512
AS38433 Korea Fund Administration Compliance 512
AS10039 Korea Health Industry Development Institute 512
AS45993 SHINBUNDANG RAILROAD 512
AS55598 Korea Environmental Technology & Industry Institute 512
AS55607 Dongguk University Ilsan Hospital 512
AS55617 The Kwangju Bank Ltd. 512
AS10184 Korean Federation of Community Credit Cooperatives 512
AS38122 Seoul Guarantee Insurance Company 512
AS9707 Korea Employment Information Management Agency 512
AS9969 KOREA RESOURCES RECOVERY AND REUTILIZATION CORPORATION 512
AS23562 Busan Cycle Racing Corporation 512
AS38126 Seoul Credit Rating & Information Inc 512
AS3825 Korea Telecom 512
AS18174 CHUNGBUK PROVINCIAL POLICE AGENCY 512
AS45391 American Home Assurance Korea 512
AS38432 The Office of Waterworks Seoul Metropolitan Go 512
AS17601 KOREA CREDIT GUARANTEE FUND 512
AS45968 KONAI 512
AS38397 SEOUL GANGSEO YANGCHEON DISTRICT OFFICE OF EDUCATION IN SEOUL 512
AS45368 KYONGNAMBANK 512
AS10043 Ministry of science, ICT and Future planning 512
AS10170 The Bank of Korea 512
AS9866 Shinhan card 512
AS10193 BUSANBANK 512
AS38693 Korea Transportation Safety Authority 512
AS45992 Construction Guarantee Cooperative 512
AS9630 SK Securities Limited 512
AS9766 SHINHAN LIFE INSURANCE CO.,LTD. 512
AS9975 Gyeongsangbuk-do Education Research Institute 512
AS9490 Oscar Enterprise 512
AS4040 Korea Telecom 512
AS23972 HANA INVESTOR SERVICES 448
AS38686 Korea Smart Card 424
AS45380 MMAAC&C 424
AS10192 kiwoom Securities.co.,Ltd 424
AS9846 FDIK 416
AS10061 Financial Supervisory Service 400
AS55603 Korea Internet Security Agency 384
AS45401 NICEPAYMENTS.CO 384
AS9863 Teachiworld Auto Insurance 384
AS9579 Shinyoung Securities CO ., LTD. 384
AS45387 KOCES 384
AS38093 HANAINS 384
AS10177 GREEN CROSS LIFE INSURANCE Co.,Ltd 384
AS38429 BRNETCOMM 384
AS38098 JTNet 368
AS9522 GOODMORNING SHINHAN SECURITIES Co., Ltd. 352
AS17836 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 320
AS55588 Information Technology Center 320
AS45966 HANASK card 288
AS45988 KOREA CREDIT GUARANTEE FUND 288
AS55599 namyang 288
AS45362 TRUSTONASSET 264
AS55596 Gachon University Gil Hospital 256
AS18312 Korea Asset Management COrporation 256
AS9575 KCTC 256
AS23586 Korean Council for University Education 256
AS55601 Electric Contractors Financial Cooperative 256
AS23713 Internet Systems Consortium, Inc. 256
AS9635 Pusan University of Foreign Studies 256
AS7626 SCOURTFAMILY 256
AS17588 The Daegu Bank, Ltd 256
AS55613 KOREA APPRAISAL BOARD 256
AS9855 Korean Federation of Community Credit Cooperatives 256
AS45999 Korea Transportation Safety Authority 256
AS45998 National Medical Center 256
AS24026 Ministry of Culture, Sports and Tourism 256
AS38430 Shinhan card 256
AS17875 ec-bank 256
AS38421 Mirae Asset Investment Management Co., Ltd. 256
AS38708 EXPORT-IMPORT BANK OF KOREA 256
AS45375 Firstfire & Marine Insurance 256
AS45360 Ssangyong 256
AS9276 Chinae Savings Bank 256
AS9861 HI ASSET MANAGEMENT CO., LTD 256
AS17867 KOREA BANKING INSTITUTE 256
AS9641 Korea Development Bank 256
AS45392 Korailretail 256
AS9773 GYEONGGIDO JOB FOUNDATION 256
AS9645 HYUNDAI FUTURES CORPORATION 256
AS9783 KoROAD 256
AS24509 Xpedite Systems Electronic document distribution and data messaging service provider Seoul, Korea 256
AS3976 I.Net Technologies Inc. 256
AS38102 SCOURTFAMILY 256
AS38118 Riot Games, Inc. 256
AS10057 ESONET ESOCOM 256
AS10038 NHN Entertainment Museum 256
AS18160 LOEN ENTERTAINMENT 256
AS10161 QIA 256
AS45963 KIRAMS (Korea Institute of Radiological & Medical Sciences) 256
AS45397 KOREA FOUNDATION FOR THE PROMOTION OF PRIVATE SCHOOL 256
AS38706 ASSETPLUS INVESTMENT MANAGEMENT Co., LTD 256
AS38688 GSNeotek 256
AS18332 postopia 256
AS18303 SMARTRO 256
AS45373 KSCFC 256
AS45971 Financial Security Institute 256
AS9960 The Daegu Bank, Ltd 256
AS9529 hyundaicapital 256
AS55584 Korea Power Exchange 256
AS55609 Financial Security Institute 256
AS9525 DB Financial Investment Co.,Ltd. 256
AS45402 SAMSUNG LIFE SERVICE 256
AS10059 LG DACOM KIDC 256
AS38677 Hi-Plus Card Corporation 256
AS17602 CRETEC CHEGIM 256
AS17840 KECA, Inc. 256
AS45986 Korea Internet Security Agency 256
AS17876 Ahnlab, Inc. 256
AS23558 KepcoNF 256
AS9633 SUDOKWON Landfill Site Management Corp 256
AS23574 KISPricing 256
AS45394 KERIS 256
AS17874 National Pension Corporation 256
AS38687 Financial Security Institute 256
AS17879 Rural Development Administration (RDA) 224
AS38419 Kyobo Lifeplanet Insurance Company 192
AS45369 LOTTE INSURANCE 192
AS55595 American International Assurance Company Korea 192
AS45970 Toyo Engineering Korea 128
AS45371 HANA I&S 128
AS9869 Daum Direct Auto Insurance Co., LTD 128
AS9779 NH FUTURES 128
AS38672 KOREA HOUSING MANAGEMENT 128
AS17847 Financial Supervisory Service 128
AS9690 SMARTRO 128
AS45997 Meritz SECURITIES CO. LTD 128
AS17568 JT CAPITAL 128
AS10067 LG CNS 128
AS9573 KR Futures Inc 96
AS45978 KIS Information&Communication,Inc 96
AS38709 JTNet 96
AS4671 KTOA 72
AS38699 F&U Credit Information 64
AS55594 KOOKMIN BANK 64
AS9683 SK Telecom 64
AS55619 Hana Life Insurance Co., Ltd. 64
AS38665 KCTC 48
AS23577 Korea Telecom 32
AS38436 HANA I&S 32
AS45378 MIRAE ASSET 0
AS23981 Suwon s Women College 0
AS45985 Daewoo Securities Co., Ltd. 0
AS23597 AS23597 0
AS23557 Yuhwa-Securities-Co 0
AS45390 KB investment & securities Co.,Ltd 0
AS23598 AS23598 0
AS23594 AS23594 0
AS38664 Ulsan education & Science research institute 0
AS38134 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 0
AS9865 KECA, Inc. 0
AS38128 Gyeonggi Urban Innovation Corporation 0
AS18327 International University of KOREA 0
AS17848 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 0
AS9768 Korea Telecom 0
AS46007 RXN 0
AS45982 BOSUNG-CABLE-NETWORK 0
AS38387 Seondbuk District Office of Education in Seoul 0
AS3757 Korea Telecom 0
AS23716 Changwon College 0
AS18306 HANANET 0
AS17844 PBS CATV Co., Ltd. 0
AS10168 Standard Chartered 0
AS10172 KYOBO BOOK CENTER 0
AS23595 AS23595 0
AS23592 AS23592 0
AS5051 Korea Telecom 0
AS38425 NURILINK 0
AS23593 AS23593 0
AS9979 Hana Bank Co. 0
AS9973 BSITC 0
AS9967 Hana Bank Co. 0
AS9964 Korea Telecom 0
AS135669 KCInfra 0
AS17616 Hyundai Marin & Fire Insurance 0
AS38689 KR3 Service Co,.Ltd. 0
AS23590 AS23590 0
AS45370 BROADBANDIDC 0
AS9453 SoongSil University 0
AS9687 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 0
AS9568 Hyundai Hicar Claims Service 0
AS23982 Dongbu District Office of Education in Seoul 0
AS17572 LOTTE GLOBAL LOGISTICS CO. 0
AS10068 ILINKKOREA 0
AS4753 LG DACOM Corporation 0
AS10048 ILINKKOREA 0
AS46001 NCSOFT 0
AS10072 Shinhan Bank 0
AS18340 Korea University 0
AS9765 VTOPIA 0
AS38108 NEXINNO 0
AS18301 ILINKKOREA 0
AS18342 KunJang College 0
AS9784 Korea Internet Security Agency 0
AS9758 purplestones 0
AS9702 Shinhan Bank 0
AS55597 National Cancer Center 0
AS55590 Sony Korea 0
AS4660 Hansol Telecom 0
AS46011 LX 0
AS45398 HiLine Internet Service Inc. 0
AS45395 GDSYS 0
AS9844 Duruan 0
AS38119 WITHSYSTEMS 0
AS9963 NETROPY CO.,Ltd 0
AS9956 KONGJU NATIONAL UNIVERSITY 0
AS10163 HANKOOK TIRE CO.,LTD. 0
AS55591 SOON CHUN HYANG UNIVERSITY 0
AS18322 Daegu Health College 0
AS45367 CitiFinancial Korea 0
AS10155 CJ-HELLOVISION 0
AS135073 Vinophil Marketing LLC 0
AS9884 SingTel Korea Limited 0
AS4664 Shinbiro 0
AS38423 Pantech C&I 0
AS4861 Orange Business 0
AS18339 Kyung Hee Cyber University 0
AS23583 Hana Bank Co. 0
AS18336 Kyungdong College of Techno-information 0
AS18321 KwangJu Womens University 0
AS18317 Chodang University 0
AS23989 Dongguk Univ. at Gyeongju 0
AS18333 Korea Press Foundation 0
AS23601 GDNSKR2 NIDA 0
AS9958 NEXON 0
AS131241 CBE Hosting Internet LTD 0
AS45981 hanacard 0
AS45975 CHUNGCHEONGNAMDO SEOCHEON OFFICE OF EDUCATION 0
AS45969 GeumSan Education 0
AS45409 Korea National Institute for Special Education 0
AS9755 Korea Internet Security Agency 0
AS45964 taean office of education 0
AS9771 Dial Communications, INC. 0
AS17872 SUNGSHIN WOMENS UNIVERSITY 0
AS38388 Bukbu District Office of Education in Seoul 0
AS38413 Ganddong District Office of Education in Seoul 0
AS38418 seoul seondong district office of education 0
AS18296 Hanbit Microsystems 0
AS18335 Seoul Women University 0
AS4666 Samsung Electronics 0
AS17860 Webzen Inc. 0
AS23585 Jeollanamdo Office of Education 0
AS9574 New York Life Insurance 0
AS10060 Actoz Soft Co. 0
AS18316 Gyeongsangnamdo Office of Education 0
AS9977 IOSYSTEM 0
AS10065 Korea Marine Transport 0
AS24022 GACHONGGIL COLLEGE 0
AS4757 EASY Research Institute 0
AS18308 BUCHEONSI 0
AS38670 CDNetworks 0
AS10191 C&M Ulsan Cable TV 0
AS10188 HanMag Futures Corporation 0
AS23588 AS23588 0
AS10154 of Education 0
AS4745 GMARKET 0
AS10062 HamanCableBroadcastingCorporation 0
AS18311 Dongsue Digital BROADCASTING CO. 0
AS10041 The Willbes & Co. 0
AS38116 KOSUNGCABLE 0
AS38101 Yeon Gi Digital Network 0
AS38702 Sejong Telecom 0
AS17834 Kyobo Auto Insurance CO. 0
AS17835 Hanwha Investment & Securities Co., Ltd. 0
AS23560 MetLife Korea 0
AS23567 PCA Life Insurance Co. 0
AS23587 Korea Credit Bureau 0
AS3559 Korea Telecom 0
AS38691 KITA 0
AS45994 IT Venture Tower 135 Jungdae-ro Songpa-gu Seoul 0
AS38435 KOLON BENIT 0
AS9772 Seobu District Office of Education in Seoul 0
AS38106 Korea Security Technology Co., Ltd. 0
AS4060 Korea Telecom 0
AS9961 JOIL CABLE NETWORK 0
AS9947 Simulation Multimedia Network 0
AS9858 Tong Yang Futures Trading co. 0
AS9695 KT Solutions Coprporation 0
AS9639 Dongeui Institute of Technology 0
AS9636 Infromation Telecom Co. 0
AS9628 Seoul Education Science Research Institute 0
AS7620 Jeollabuk-do Provincial Office of Education 0
AS17851 Chungchungnam-Do office of Education 0
AS17842 Chungchungnam-Do office of Education 0
AS17855 Prudential 0
AS17850 OK-NET Co 0
AS17833 CrownBakery 0
AS9458 eyesvision 0
AS17878 K.F.T.C ISAC 0
AS17613 CICKOREA 0
AS17612 Mapo-gu Office 0
AS17611 Gwanak-Gu OFFICE 0
AS17610 ABRAIN 0
AS17607 ATT GNS korea 0
AS17605 Myongji college 0
AS17581 SUSUNG BROADCASTING CO. 0
AS17571 HANACARDEMS HANASK card 0
AS133059 BNZO MULTIMEDIA CO., LTD. 0
AS38679 CMB Kwangju Broadcasting 0
AS38115 SEODAEGU CABLE TV 0
AS10186 Daejeon Telecom 0
AS10157 Yahoo! Korea 0
AS55608 EXRKOREA 0
AS133463 HO JUNG CO., LTD. 0
AS23591 AS23591 0
AS23589 AS23589 0

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 South Korea. See the global ASN report for network, IP address information and whois details for other countries.