203.231.0.0/16
39 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 203.231.0.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.12.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.14.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.18.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.19.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.25.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.26.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.36.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.38.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.48.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.50.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.52.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.64.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.66.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.70.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.72.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.80.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.81.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.82.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.83.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.98.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.107.0/24 | Hong Kong (100%) | 1 | 1 | 1 |
| 203.231.108.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.109.0/24 | United States (100%) | 1 | 1 | 1 |
| 203.231.110.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.112.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.129.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.134.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.136.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.140.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.144.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.150.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.151.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.152.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.154.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.224.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.240.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.243.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 203.231.255.0/24 | South Korea (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
203.231.0.0 – 203.231.11.255 | AS9848 | SEJONG NETWORKS | KR |
203.231.12.0 – 203.231.13.255 | AS18309 | Korea VAn Service Co.LTD | KR |
203.231.14.0 – 203.231.17.255 | AS9848 | SEJONG NETWORKS | KR |
203.231.18.0 – 203.231.18.255 | AS3608 | Korea Rural Community Corporation | KR |
203.231.19.0 – 203.231.24.255 | AS9848 | SEJONG NETWORKS | KR |
203.231.25.0 – 203.231.25.255 | AS23593 | bkl LLC | KR |
203.231.26.0 – 203.231.35.255 | AS9848 | SEJONG NETWORKS | KR |
203.231.36.0 – 203.231.37.255 | AS17837 | NHN KCP Corp. | KR |
203.231.38.0 – 203.231.47.255 | AS9848 | SEJONG NETWORKS | KR |
203.231.48.0 – 203.231.49.255 | AS9684 | HANWHA Corp. Information Service div. | KR |
203.231.50.0 – 203.231.51.255 | AS17837 | NHN KCP Corp. | KR |
203.231.52.0 – 203.231.63.255 | AS9848 | SEJONG NETWORKS | KR |
203.231.64.0 – 203.231.65.255 | AS23593 | bkl LLC | KR |
203.231.66.0 – 203.231.69.255 | AS9848 | SEJONG NETWORKS | KR |
203.231.70.0 – 203.231.71.255 | AS131866 | Digital Edge Korea | KR |
24 more ranges in this block.