| Date | IP Address |
| 2019-12-06 | 99.84.251.102 (ClassC) |
| 2019-12-06 | 99.84.251.26 (ClassC) |
| 2019-12-06 | 99.84.251.28 (ClassC) |
| 2019-12-06 | 99.84.251.59 (ClassC) |
| 2020-11-08 | 13.226.18.36 (ClassC) |
| 2021-10-09 | 99.84.175.4 (ClassC) |
| 2021-10-09 | 13.226.14.54 (ClassC) |
| 2022-09-08 | 108.156.91.129 (ClassC) |
| 2022-09-08 | 108.156.91.64 (ClassC) |
| 2024-12-08 | 18.161.6.111 (ClassC) |
| 2025-05-22 | 18.172.170.123 (ClassC) |
| 2025-08-04 | 18.161.6.44 (ClassC) |
| 2025-09-28 | 18.161.6.18 (ClassC) |
| 2025-10-08 | 18.161.6.97 (ClassC) |
| Date | Domain | IP |
| admin.stg02.gratica.okwave.jp | 2024-07-27 | 3.163.24.44 |
| account.stg02.gratica.okwave.jp | 2025-09-18 | 3.169.173.30 |
| admin.dev03.gratica.okwave.jp | 2023-12-20 | 18.155.192.108 |
| admin.dev04.gratica.okwave.jp | 2024-12-16 | 13.224.14.51 |
| admin.gratica.okwave.jp | 2024-12-08 | 18.161.6.111 |