A list of all South Korea ASNs including hosting providers, ISPs, and businesses with announced IPv4 and IPv6 prefixes.
| ASN | Type | IPv4 Routes | IPv6 Routes | Company |
|---|---|---|---|---|
| AS38099 | Other Business | 51 | 1 | Kakao Corp |
| AS10175 | ISP & Mobile | 51 | 0 | Kumho Cable |
| AS17584 | Government | 51 | 0 | Inchon Metropolitan Office Of Education |
| AS9317 | Other Business | 50 | 0 | INHA UNIVERSITY |
| AS38705 | Government | 49 | 0 | KOREA DATA |
| AS18318 | ISP & Mobile | 48 | 0 | LG HelloVision Corp. |
| AS38107 | Other Business | 48 | 0 | CDNetworks |
| AS9638 | Other Business | 48 | 0 | National Agricultural Cooperative federation |
| AS17586 | ISP & Mobile | 45 | 0 | LG HelloVision Corp. |
| AS38680 | Other Business | 45 | 0 | CMB |
| AS10171 | Other Business | 44 | 0 | SKTelink |
| AS38401 | Other Business | 42 | 0 | Gyeonggi Provincial Anseong Office of Education |
| AS9756 | ISP & Mobile | 42 | 0 | SK Broadband Co Ltd |
| AS18023 | Education | 41 | 0 | Korea Maritime and Ocean University |
| AS38133 | Other Business | 41 | 0 | CMB |
| AS45374 | Other Business | 41 | 0 | CCS |
| AS9767 | Other Business | 41 | 0 | DB Inc. |
| AS38692 | Other Business | 40 | 0 | Jeonbuk State office of Education Future Education Research Institute |
| AS45365 | ISP & Mobile | 40 | 0 | LG HelloVision Corp. |
| AS46009 | Hosting Provider | 40 | 0 | YABESK |
| AS9955 | Education | 40 | 0 | Baekseok University |
| AS7625 | Other Business | 38 | 1 | Kakao Corp |
| AS10167 | Other Business | 38 | 0 | HANVIT BANK |
| AS9644 | ISP & Mobile | 37 | 2 | SK Telecom |
| AS17837 | Other Business | 37 | 0 | NHN KCP Corp. |
| AS23908 | Other Business | 37 | 0 | IIAC |
| AS9631 | Other Business | 37 | 0 | youngsan university |
| AS9957 | Hosting Provider | 37 | 0 | KINX |
| AS17596 | Other Business | 36 | 0 | PINE ASSET SERVICE |
| AS38417 | Other Business | 36 | 0 | Gyeonggi Province Gapyeong office of Education |
| AS9696 | Other Business | 36 | 0 | Oscar Enterprise |
| AS10176 | Other Business | 34 | 0 | Daejon Metropolitan Office of Education |
| AS17862 | Education | 34 | 0 | Kangwon National University |
| AS17877 | Other Business | 34 | 0 | KX NexG Co., LTD |
| AS10052 | Education | 33 | 1 | Kyungpook National University |
| AS4665 | Other Business | 33 | 0 | Yonsei University |
| AS4793 | Other Business | 33 | 0 | Hyundai Heavy Industries |
| AS18027 | Education | 32 | 0 | Namseoul university |
| AS18033 | Other Business | 32 | 0 | CMB TAEGU BROADCASTING |
| AS55628 | Government | 32 | 0 | Incheon Free Economic Zone |
| AS9494 | Other Business | 32 | 0 | National Infomation Society Agency |
| AS9568 | Education | 32 | 0 | KOREA INSTITUTE OF MACHINERY MATERIALS (KIMM) |
| AS135120 | Other Business | 31 | 7 | PROJECT ELIV |
| AS10049 | Other Business | 31 | 0 | SK Co., |
| AS10159 | Other Business | 31 | 0 | Korea Aerospace University |
| AS45403 | Government | 31 | 0 | INCHEON TECHNOPARK |
| AS23579 | Other Business | 30 | 0 | Seoul Metropolitan Office Of Education |
| AS7560 | Other Business | 30 | 0 | Jeonbuk National University |
| AS17864 | ISP & Mobile | 29 | 0 | SK Broadband Co Ltd |
| AS9455 | Education | 29 | 0 | KERIS |
| AS10185 | Other Business | 28 | 0 | Hana Bank Co. |
| AS9708 | Other Business | 28 | 0 | Pukyong National University |
| AS17579 | Education | 27 | 16 | KISTI |
| AS18297 | Education | 27 | 0 | K-JIST |
| AS38097 | ISP & Mobile | 27 | 0 | SK Broadband Co Ltd |
| AS38391 | Government | 27 | 0 | Gyeonggi provincial gimpo office of education |
| AS38673 | ISP & Mobile | 27 | 0 | Korea Cable TV Kwangju Broadcasting |
| AS4961 | Other Business | 27 | 0 | Daewoo Information Systems |
| AS9859 | Other Business | 27 | 0 | ChungCheong University |
| AS18028 | Education | 26 | 0 | GyeongSang National University |
| AS23668 | Education | 26 | 0 | TECH UNIVERSITY OF KOREA |
| AS38390 | Education | 26 | 0 | Goyang Office of Education |
| AS38395 | Other Business | 26 | 0 | GwangJuHaNam Office of Education |
| AS38400 | Government | 26 | 0 | Gyeonggi-do Pyongtaek Office Education |
| AS18034 | Education | 25 | 0 | Gangneung-Wonju National University |
| AS38408 | Other Business | 25 | 0 | GYEONGGI PROVINCIAL ANYANG OFFICE OF EDUCATION |
| AS9949 | Education | 25 | 0 | Hoseo University |
| AS17616 | Other Business | 24 | 0 | barofn |
| AS17833 | Other Business | 24 | 0 | NCOM ltd. |
| AS38422 | Other Business | 24 | 0 | Seowon University |
| AS7564 | Education | 24 | 0 | Korea Atomic Energy Research Institute |
| AS9712 | Hosting Provider | 24 | 0 | INet Technologies Co., Ltd. |
| AS9753 | Education | 24 | 0 | Dong-A Universirty |
| AS18160 | Other Business | 23 | 1 | Kakao Corp |
| AS9270 | Other Business | 23 | 1 | National Infomation Society Agency |
| AS10060 | Education | 23 | 0 | YONSEI UNIVERSITY HEALTH SYSTEM |
| AS17597 | ISP & Mobile | 23 | 0 | SK Broadband Co Ltd |
| AS18401 | Education | 23 | 0 | DAEGU UNIVERSITY |
| AS38392 | Other Business | 23 | 0 | KYONGGI YANGPYEONG OFFICE OF EDUCATION |
| AS38410 | Other Business | 23 | 0 | Pocheon Office of Education |
| AS38414 | Other Business | 23 | 0 | Gyeonggi siheung office of education |
| AS38695 | Other Business | 23 | 0 | bucheon university |
| AS4792 | Other Business | 23 | 0 | NATE Communications Corporation |
| AS10158 | Other Business | 22 | 5 | Kakao Corp |
| AS23575 | ISP & Mobile | 22 | 0 | SK Broadband Co Ltd |
| AS23588 | Hosting Provider | 22 | 0 | KAKAO Enterprise |
| AS38396 | Other Business | 22 | 0 | Paju office of Education Gyeonggi Province |
| AS38399 | Government | 22 | 0 | Gyeonggi-do Yeoju Office of Education |
| AS38405 | Other Business | 22 | 0 | Gwang Myeong Office of Education |
| AS38409 | Other Business | 22 | 0 | Dongducheonyangju office of Education |
| AS38412 | Government | 22 | 0 | Gyeonggi-Do Icheon office of Education |
| AS38415 | Other Business | 22 | 0 | Guri Namyangju Office Of Education |
| AS38416 | Other Business | 22 | 0 | Gyeonggi Yeoncheon Office of Education |
| AS38697 | Other Business | 22 | 0 | Hankyong National Univercity |
| AS38707 | Other Business | 22 | 0 | Tosspayments |
| AS45985 | Other Business | 22 | 0 | SamsungSDS Inc. |
| AS152199 | Other Business | 21 | 1 | Kakao Corp |
| AS17578 | Other Business | 21 | 0 | CHEJU HALLA UNIVERSITY |
| AS17593 | Other Business | 21 | 0 | NDS Coporation |
| AS18337 | Other Business | 21 | 0 | KyungSan University |