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 |
|---|---|---|---|---|
| AS9776 | Other Business | 11 | 0 | KOOKMIN BANK |
| AS9778 | Other Business | 11 | 0 | DAEJIN UNIVERSITY |
| AS9973 | Other Business | 11 | 0 | BSITC |
| AS9976 | Other Business | 11 | 0 | Namincheon Brodcasting Co., Ltd. |
| AS9982 | Education | 11 | 0 | PAICHAI UNIVERSITY |
| AS10040 | Other Business | 10 | 0 | NICE Information Telecommunication, Inc |
| AS10071 | Education | 10 | 0 | anyang University |
| AS10164 | ISP & Mobile | 10 | 0 | SK Broadband Co Ltd |
| AS17859 | Other Business | 10 | 0 | NICEINFOMATIONSERVICE |
| AS210528 | Other Business | 10 | 0 | Navox co.,Ltd |
| AS3608 | Other Business | 10 | 0 | Korea Rural Community Corporation |
| AS38394 | Education | 10 | 0 | Gyeonggido Seongnam Office of Education |
| AS38667 | Other Business | 10 | 0 | KakaoBank Corp. |
| AS38671 | Other Business | 10 | 0 | S-OIL Corp., Ltd |
| AS38694 | Other Business | 10 | 0 | CHEONGJU NATIONAL UNIVERSITY OF EDCATION |
| AS46003 | Other Business | 10 | 0 | CONNECTWAVE |
| AS9693 | Other Business | 10 | 0 | KFTC |
| AS9775 | Other Business | 10 | 0 | Hannam University |
| AS9856 | Other Business | 10 | 0 | WOORI Investment @ Securities |
| AS9954 | Education | 10 | 0 | Kunsan National University (KNU) |
| AS10035 | Other Business | 9 | 0 | Hyundai Department Store Co., Ltd. |
| AS131826 | Other Business | 9 | 0 | hy |
| AS17570 | Other Business | 9 | 0 | SK Global co., Ltd |
| AS17873 | Other Business | 9 | 0 | MIRAE ASSET SECURITIES CO., LTD. |
| AS18158 | Education | 9 | 0 | CHUNGBUK NATIONAL UNIVERSITY |
| AS18322 | Other Business | 9 | 0 | KUMHO TIRE |
| AS2385 | Education | 9 | 0 | KRIBB(Korea Research Institute of Bioscience Biotechnology) |
| AS24026 | Other Business | 9 | 0 | KOREA INSTITUTE OF FUSION ENERGY |
| AS38110 | Education | 9 | 0 | Chungwoon University |
| AS38411 | Other Business | 9 | 0 | Yongin office of education |
| AS38426 | Government | 9 | 0 | KOREA RURAL ECONOMIC INSTITUTE |
| AS45372 | Other Business | 9 | 0 | ULNetworks Co., Ltd. |
| AS45964 | Other Business | 9 | 0 | Edwards korea Limited |
| AS9489 | Government | 9 | 0 | Korea Aerospace Research Institute |
| AS9777 | Education | 9 | 0 | Gyeongju University |
| AS9857 | Government | 9 | 0 | KOREA GAS CORPORATION |
| AS149522 | Hosting Provider | 8 | 4 | OneCubit Co., Ltd. |
| AS10042 | Other Business | 8 | 0 | SUSEONG COLLEGE |
| AS10165 | Government | 8 | 0 | KOREA CUSTOMS SERVICE |
| AS131831 | Other Business | 8 | 0 | NEXON KOREA |
| AS17595 | Other Business | 8 | 0 | Korea Institute of Nuclear Safety |
| AS17600 | Other Business | 8 | 0 | KOREA RESOURCES RECOVERY AND REUTILIZATION CORPORATION |
| AS17607 | Other Business | 8 | 0 | Mirae Asset Life Insurance Co., Ltd |
| AS1781 | Education | 8 | 0 | Korea Advanced Institute of Science and Technology |
| AS17838 | Other Business | 8 | 0 | HYUNDAI HOMESHOPPING |
| AS23553 | Government | 8 | 0 | National IT Industry Promotion Agency |
| AS23990 | Other Business | 8 | 0 | MigumCableNetwork |
| AS24027 | Other Business | 8 | 0 | Chinju National University of Education |
| AS38123 | Other Business | 8 | 0 | asan medical center |
| AS38427 | Other Business | 8 | 0 | FORCETEC Co., LTD. |
| AS45379 | Education | 8 | 0 | Ulsan National Institute of Science and Technology |
| AS45393 | Education | 8 | 0 | SFS |
| AS55589 | Other Business | 8 | 0 | Korea Institute of Industrial Technology |
| AS55614 | Other Business | 8 | 0 | danal.co |
| AS55624 | Other Business | 8 | 0 | DAELIM |
| AS9320 | Other Business | 8 | 0 | Supreme Court of Korea |
| AS9686 | Education | 8 | 0 | SungKyunKwan University (SKKU) |
| AS9703 | Other Business | 8 | 0 | Shinhan Bank |
| AS9706 | Other Business | 8 | 0 | BUSAN EDUCATION RESEARCH & INFORMATION INSTITUTE |
| AS9843 | Other Business | 8 | 0 | NHINFORMATIONSYSTEM |
| AS10056 | Other Business | 7 | 0 | Hyundai Marin Fire Insurance |
| AS10174 | Other Business | 7 | 0 | Munhwa Broadcasting Corporation |
| AS131094 | Other Business | 7 | 0 | HYUNDAI MOTOR CO |
| AS131819 | Other Business | 7 | 0 | Doosan Engineering Construction Co.,Ltd |
| AS138380 | Other Business | 7 | 0 | VOLVO GROUP KOREA CO LTD, Construction Equipment Seoul |
| AS152225 | Other Business | 7 | 0 | VNTG |
| AS17590 | Government | 7 | 0 | KOCCA |
| AS17592 | Other Business | 7 | 0 | Industrial Bank of Korea |
| AS17613 | Other Business | 7 | 0 | KTE Information and Communications |
| AS17852 | Other Business | 7 | 0 | HANWHALIFE |
| AS17856 | Education | 7 | 0 | Konyang University |
| AS17863 | Other Business | 7 | 0 | Yonhap News Agency |
| AS18035 | Education | 7 | 0 | HANSEO UNIVERSITY |
| AS18319 | Other Business | 7 | 0 | YeungNam College of Science Technology |
| AS18323 | Other Business | 7 | 0 | Seoul National University Bundang Hospital |
| AS18343 | Government | 7 | 0 | Daegu Technical College |
| AS23554 | Other Business | 7 | 0 | Shinhan Bank |
| AS23556 | Other Business | 7 | 0 | INITECH |
| AS38101 | Other Business | 7 | 0 | Yulchon LLC |
| AS38109 | ISP & Mobile | 7 | 0 | SK Broadband Co Ltd |
| AS38114 | Other Business | 7 | 0 | Shinjin Network |
| AS38403 | Government | 7 | 0 | GunpoUiwang Office of Education |
| AS38406 | Other Business | 7 | 0 | Kyeonggi-Do Hwaseong Office of Education |
| AS38704 | Other Business | 7 | 0 | IDIS powertel |
| AS45366 | Other Business | 7 | 0 | cyberlogitec |
| AS45376 | Other Business | 7 | 0 | HL Holdings Corporation |
| AS55611 | Education | 7 | 0 | kyungmin university |
| AS7624 | Other Business | 7 | 0 | jeonju university |
| AS9275 | Other Business | 7 | 0 | Korea Astronomy Observatory |
| AS9572 | Other Business | 7 | 0 | Hankuk University of Foreign Studies Computer Center |
| AS9637 | Education | 7 | 0 | Korea Basic Science Institute |
| AS9688 | ISP & Mobile | 7 | 0 | LG DACOM Corporation |
| AS9849 | Government | 7 | 0 | Office of the president |
| AS10179 | Other Business | 6 | 0 | Daehan Investment Trust Securities |
| AS10189 | Other Business | 6 | 0 | Hyundai Movex |
| AS10195 | Hosting Provider | 6 | 0 | HAIonNet |
| AS131793 | Other Business | 6 | 0 | Green Technology Center |
| AS131833 | Other Business | 6 | 0 | Kia Corporation |
| AS131858 | Other Business | 6 | 0 | kakaopay insurance |
| AS131870 | Government | 6 | 0 | KSPO |