| Date | IP Address |
| 2024-04-22 | 52.195.59.228 (ClassC) |
| 2024-05-25 | 35.73.18.8 (ClassC) |
| 2024-07-24 | 54.95.215.137 (ClassC) |
| 2024-08-21 | 18.180.164.42 (ClassC) |
| 2024-11-03 | 54.64.100.223 (ClassC) |
| 2024-11-25 | 52.197.218.38 (ClassC) |
| 2025-05-26 | 18.176.27.160 (ClassC) |
| 2025-08-21 | 35.75.227.31 (ClassC) |
| 2025-09-07 | 13.112.107.13 (ClassC) |
| 2025-10-24 | 13.113.61.60 (ClassC) |
| Date | Domain | IP |
| corporate.codecamp.jp | 2025-09-07 | 54.65.232.11 |
| staging.codecamp.jp | 2024-11-25 | 18.182.187.221 |
| io.staging.codecamp.jp | 2024-11-25 | 18.182.187.221 |
| test.staging.codecamp.jp | 2024-11-25 | 18.182.187.221 |
| io.test.staging.codecamp.jp | 2024-11-25 | 52.197.255.230 |
| blog.codecamp.jp | 2024-12-01 | 54.248.100.174 |
| ccg-textbook.codecamp.jp | 2024-11-10 | 52.219.199.191 |
| io.codecamp.jp | 2024-11-25 | 52.194.62.73 |
| test.codecamp.jp | 2024-11-25 | 18.182.187.221 |
| io.test.codecamp.jp | 2024-11-25 | 52.197.255.230 |
| www.codecamp.jp | 2024-04-22 | 52.195.59.228 |