| Date | IP Address |
| 2021-08-10 | 54.230.161.106 (ClassC) |
| 2024-07-08 | 3.114.8.37 (ClassC) |
| 2025-01-07 | 52.192.210.107 (ClassC) |
| 2025-04-17 | 54.150.94.233 (ClassC) |
| 2025-07-12 | 52.193.177.199 (ClassC) |
| 2026-01-10 | 18.181.48.240 (ClassC) |
| Date | Domain | IP |
| ckc.utaten.com | 2024-12-22 | 18.238.238.81 |
| idol-media.ckc.utaten.com | 2025-02-16 | 18.238.238.113 |
| api.ckc.utaten.com | 2024-11-24 | 52.69.196.125 |
| v4.api.ckc.utaten.com | 2024-11-25 | 18.181.93.173 |
| booking.v4.api.ckc.utaten.com | 2024-11-24 | 54.250.38.138 |
| idol.v4.api.ckc.utaten.com | 2024-11-24 | 54.250.38.138 |
| register.v4.api.ckc.utaten.com | 2024-11-25 | 52.69.196.125 |
| chat.v4.api.ckc.utaten.com | 2024-11-24 | 54.249.120.128 |
| booking.api.ckc.utaten.com | 2024-11-24 | 18.181.93.173 |
| develop.booking.api.ckc.utaten.com | 2024-11-25 | 54.238.211.242 |
| chatapi.api.ckc.utaten.com | 2025-01-08 | 18.181.93.173 |
| develop.chatapi.api.ckc.utaten.com | 2024-11-25 | 18.181.93.173 |
| idol.api.ckc.utaten.com | 2024-11-25 | 52.69.196.125 |
| develop.idol.api.ckc.utaten.com | 2024-11-25 | 18.181.93.173 |
| develop.api.ckc.utaten.com | 2024-11-25 | 18.181.93.173 |
| register.api.ckc.utaten.com | 2024-12-09 | 54.238.211.242 |
| develop.register.api.ckc.utaten.com | 2024-11-25 | 52.69.196.125 |
| develop.ckc.utaten.com | 2024-07-08 | 3.114.8.37 |
| sbps.ckc.utaten.com | 2024-02-21 | 35.77.166.188 |
| cdn.utaten.com | 2022-01-22 | 108.138.246.124 |