| 203.0.0.0/8 | WHOIS (APNIC) | Asia Pacific Network Information Center, Pty. Ltd. | AU |
| 203.229.0.0/17 | APNIC assigned | — | KR |
| 203.229.0.0/18 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.0.0/18 | WHOIS (APNIC) | SK Broadband Co Ltd | KR |
| 203.229.64.0/18 | BGP route | AS38095 SK Broadband Co Ltd | — |
| 203.229.64.0/18 | WHOIS (APNIC) | SK Broadband Co Ltd | KR |
| 203.229.16.0/21 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.0.0/22 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.12.0/22 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.28.0/22 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.6.0/23 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.26.0/23 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.32.0/23 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.38.0/23 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.5.0/24 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.8.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.9.0/24 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.10.0/24 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.11.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.24.0/24 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.25.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.34.0/24 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.35.0/24 | BGP route | AS38103 SK Broadband Co Ltd | — |
| 203.229.36.0/24 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.37.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.40.0/24 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.41.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.42.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.44.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.45.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.46.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.47.0/24 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.48.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.49.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.50.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.51.0/24 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.52.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.53.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.54.0/24 | BGP route | AS38097 SK Broadband Co Ltd | — |
| 203.229.55.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.56.0/24 | BGP route | AS9689 SK Broadband Co Ltd | — |
| 203.229.57.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.58.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.59.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.60.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.61.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.62.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |
| 203.229.63.0/24 | BGP route | AS38096 SK Broadband Co Ltd | — |