| Date | IP Address |
| 2019-07-19 | 52.68.137.250 (ClassC) |
| 2019-11-10 | 52.192.118.250 (ClassC) |
| 2019-11-14 | 3.115.145.226 (ClassC) |
| 2019-12-21 | 13.113.21.6 (ClassC) |
| 2020-04-28 | 54.199.173.152 (ClassC) |
| 2023-04-12 | 18.177.215.171 (ClassC) |
| 2023-10-19 | 54.150.241.30 (ClassC) |
| 2023-12-01 | 54.95.90.228 (ClassC) |
| 2024-04-12 | 35.79.190.198 (ClassC) |
| 2024-08-02 | 54.238.56.68 (ClassC) |
| 2024-08-06 | 13.230.46.244 (ClassC) |
| 2024-12-09 | 52.196.201.84 (ClassC) |
| 2025-01-21 | 52.199.246.2 (ClassC) |
| 2025-05-07 | 13.112.55.81 (ClassC) |
| 2025-08-09 | 52.195.245.91 (ClassC) |
| 2025-08-31 | 35.73.167.202 (ClassC) |
| 2025-09-12 | 52.193.238.132 (ClassC) |
| 2025-11-12 | 13.158.250.131 (ClassC) |
| 2025-12-15 | 52.198.85.119 (ClassC) |
| 2026-01-19 | 3.115.28.8 (ClassC) |
| Date | Domain | IP |
| www.web-useful.jp | 2023-12-01 | 52.192.110.218 |