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 |
|---|---|---|---|---|
| AS17602 | Other Business | 4 | 0 | CRETEC CHEGIM |
| AS17855 | Other Business | 4 | 0 | HANNET Co.,Ltd. |
| AS17868 | Other Business | 4 | 0 | Hyupsung University |
| AS18294 | Other Business | 4 | 0 | SUHYUP BANK |
| AS18295 | Other Business | 4 | 0 | ABL Life Insurance Co., Ltd. |
| AS18315 | Education | 4 | 0 | Sorabol College |
| AS23573 | Other Business | 4 | 0 | OCI Information Communication |
| AS23580 | Other Business | 4 | 0 | DAILY SPORTSWORLD |
| AS23594 | Other Business | 4 | 0 | YKK KOREA CO., LTD. |
| AS3784 | Education | 4 | 0 | Pohang University of Science and Technology |
| AS38098 | Other Business | 4 | 0 | NICEPAYMENTS.CO |
| AS38106 | Other Business | 4 | 0 | Korea Security Technology Co., Ltd. |
| AS38122 | Other Business | 4 | 0 | Seoul Guarantee Insurance Company |
| AS38125 | Government | 4 | 0 | Korea Expressway Corporation |
| AS38129 | Other Business | 4 | 0 | S1 CORPORATION |
| AS38420 | Other Business | 4 | 0 | BCCARD |
| AS38668 | Education | 4 | 0 | Konkuk University Hospital |
| AS45381 | Other Business | 4 | 0 | Seoul Housing Communities Corporation |
| AS45384 | Government | 4 | 0 | Korea trade insurance corporation |
| AS45407 | Other Business | 4 | 0 | DONGWON INDUSTRIES |
| AS45984 | Education | 4 | 0 | Dongnam Institute of Radiologycal Sciences |
| AS55599 | Other Business | 4 | 0 | namyang |
| AS55608 | Other Business | 4 | 0 | KB Life Insurance Co., Ltd. |
| AS55610 | Other Business | 4 | 0 | KAIT |
| AS55633 | Other Business | 4 | 0 | pundang jesaeng general hospital |
| AS7558 | Other Business | 4 | 0 | Korean Broadcasting System (KBS) |
| AS7627 | Other Business | 4 | 0 | Seoul Broadcasting System |
| AS9271 | Other Business | 4 | 0 | Wonkwang University |
| AS9273 | Other Business | 4 | 0 | ITCENENTEC CO.,LTD. |
| AS9628 | Other Business | 4 | 0 | TONGYANG LIFE INSURANCE CO., LTD. |
| AS9634 | Other Business | 4 | 0 | Shinhan Securities Co.,Ltd. |
| AS9642 | Government | 4 | 0 | Korea Internet Security Agency |
| AS9645 | Other Business | 4 | 0 | NEXT SECURITIES CORPORATION |
| AS9646 | Other Business | 4 | 0 | eGIOS |
| AS9695 | Education | 4 | 0 | KISTI |
| AS9699 | Other Business | 4 | 0 | Standard Chartered |
| AS9784 | Other Business | 4 | 0 | kbcard |
| AS9840 | Other Business | 4 | 0 | INSPIRE Integrated Resort |
| AS9852 | Other Business | 4 | 0 | Samil PwC |
| AS9855 | Other Business | 4 | 0 | Korean Federation of Community Credit Cooperatives |
| AS9958 | Other Business | 4 | 0 | kakaogames |
| AS9974 | Other Business | 4 | 0 | Korea Racing Association |
| AS131100 | Government | 3 | 2 | Korea Internet Security Agency |
| AS9639 | Other Business | 3 | 1 | Artist Company Inc. |
| AS10034 | Government | 3 | 0 | SEOUL AGRICULTURAL MARINE PRODUCTS CORP. |
| AS10046 | Education | 3 | 0 | HOWON UNIVERSITY |
| AS10172 | Other Business | 3 | 0 | KYOBO BOOK CENTER |
| AS10183 | Government | 3 | 0 | Korea Culture Information Service Agency |
| AS10186 | Other Business | 3 | 0 | Korean Red Cross |
| AS131095 | Other Business | 3 | 0 | HanwhalifeFinancialService |
| AS131792 | Other Business | 3 | 0 | The Daegu Bank, Ltd |
| AS131799 | Other Business | 3 | 0 | korea workers compensation welfare service |
| AS131818 | Other Business | 3 | 0 | YONHAP INFOMAX |
| AS131820 | Other Business | 3 | 0 | HMM |
| AS131823 | Government | 3 | 0 | korea Institute for Animal Products Quality Evaluation |
| AS131830 | Education | 3 | 0 | Institute for Basic Science |
| AS131854 | Government | 3 | 0 | Saemangeum Development and Investment Agency |
| AS131862 | Other Business | 3 | 0 | Nonghyup Property and Casualty Insurance Co.,Ltd |
| AS131864 | Other Business | 3 | 0 | Firstfire Marine Insurance |
| AS131867 | Other Business | 3 | 0 | Sinokor Merchant Marine Co., Ltd. |
| AS131883 | Education | 3 | 0 | INSTITUTES OF GREENBIO SCIENCE AND TECHNOLOGY |
| AS152198 | Education | 3 | 0 | Gangwon State University |
| AS152201 | Other Business | 3 | 0 | NongHyup Agribusiness Group inc. |
| AS152204 | Other Business | 3 | 0 | JW Holdings |
| AS152210 | Other Business | 3 | 0 | HyosungITX |
| AS152211 | Other Business | 3 | 0 | Toss Securities Co., Ltd. |
| AS152227 | Other Business | 3 | 0 | KENTECH |
| AS152286 | Other Business | 3 | 0 | Meritz Securities Co., Ltd. |
| AS152290 | Other Business | 3 | 0 | Jejuair |
| AS152293 | Other Business | 3 | 0 | HAESUNGDS |
| AS152295 | Other Business | 3 | 0 | Celltrion |
| AS152878 | Hosting Provider | 3 | 0 | Luna |
| AS17567 | Other Business | 3 | 0 | Airport Railroad Co ltd |
| AS17569 | ISP & Mobile | 3 | 0 | 24si infocall co. ltd |
| AS17847 | Government | 3 | 0 | Financial Supervisory Service |
| AS17850 | Other Business | 3 | 0 | Korea Federation of Banks |
| AS17851 | Other Business | 3 | 0 | KPETRO |
| AS18307 | Other Business | 3 | 0 | SR |
| AS18326 | Other Business | 3 | 0 | Korea Sports Leisure Co.,LTD |
| AS18338 | Other Business | 3 | 0 | DAOUDATA |
| AS18373 | Other Business | 3 | 0 | KOOKMIN BANK |
| AS23564 | Other Business | 3 | 0 | Citibank Korea |
| AS23568 | Other Business | 3 | 0 | CycleBoat Racing Business Division |
| AS23587 | Other Business | 3 | 0 | Korea Credit Bureau |
| AS23589 | Education | 3 | 0 | KERIS |
| AS23983 | Education | 3 | 0 | Daejeon University |
| AS2563 | Education | 3 | 0 | Seoul Christain University |
| AS38087 | Other Business | 3 | 0 | BUSANBANK |
| AS38100 | Other Business | 3 | 0 | INICIS Co., Ltd |
| AS38128 | Government | 3 | 0 | Gyeonggi Hosing Urban Development Corporation |
| AS38135 | Other Business | 3 | 0 | KDB Life Insurance Co.,Ltd |
| AS38388 | Government | 3 | 0 | Korea Copyright Protection Agency |
| AS38434 | Other Business | 3 | 0 | POLARISOFFICE |
| AS38663 | Other Business | 3 | 0 | NICEINFOMATIONSERVICE |
| AS38698 | Other Business | 3 | 0 | UBASE |
| AS38702 | Other Business | 3 | 0 | Hana Bank Co. |
| AS45387 | Other Business | 3 | 0 | KOCES |
| AS45392 | Other Business | 3 | 0 | Korailretail |
| AS45401 | Other Business | 3 | 0 | NICEPAYMENTS.CO |
| AS45408 | Government | 3 | 0 | KOSAF |