| Date | IP Address |
| 2018-07-24 | 54.192.49.170 (ClassC) |
| 2018-07-24 | 54.192.49.231 (ClassC) |
| 2018-07-24 | 54.192.49.85 (ClassC) |
| 2021-04-30 | 54.230.202.101 (ClassC) |
| 2024-02-27 | 99.84.66.69 (ClassC) |
| 2024-11-20 | 18.161.6.43 (ClassC) |
| 2025-03-04 | 204.246.191.52 (ClassC) |
| 2025-09-11 | 204.246.191.86 (ClassC) |
| 2025-12-10 | 3.163.24.126 (ClassC) |
| 2026-01-31 | 3.169.173.48 (ClassC) |
| Date | Domain | IP |
| release.backoffice.headclerk2.bng.jp | 2024-11-06 | 3.163.24.6 |
| debug.backoffice.headclerk2.bng.jp | 2024-09-30 | 204.246.191.55 |
| test.backoffice.headclerk2.bng.jp | 2024-02-27 | 99.84.66.69 |
| debug.backoffice-api.headclerk2.bng.jp | 2025-09-06 | 18.176.249.202 |
| test.backoffice-api.headclerk2.bng.jp | 2025-09-06 | 54.248.61.255 |