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 |
|---|---|---|---|---|
| AS3559 | ISP & Mobile | 0 | 5 | Korea Telecom |
| AS153997 | Other Business | 0 | 4 | PROJECT ELIV |
| AS200965 | Other Business | 0 | 3 | Dongmin Lee |
| AS201159 | Hosting Provider | 0 | 3 | Kawaii Beer Network |
| AS201423 | Other Business | 0 | 3 | Seojun Yun |
| AS150414 | Hosting Provider | 0 | 2 | OneCubit Co., Ltd. |
| AS152911 | Hosting Provider | 0 | 2 | SY ICT |
| AS200983 | Other Business | 0 | 2 | YoungSeo Kim |
| AS201666 | Hosting Provider | 0 | 2 | Yoonsu Son trading as YSSOFT |
| AS139311 | Hosting Provider | 0 | 1 | Stella IT Inc |
| AS150805 | Other Business | 0 | 1 | A-FIN KOREA CORP |
| AS151490 | Hosting Provider | 0 | 1 | GaonIT |
| AS153782 | Other Business | 0 | 1 | Com2Math, Inc. |
| AS203040 | Other Business | 0 | 1 | Sangmyoung Lee |