| Date | IP Address |
| 2023-06-15 | 54.64.220.7 (ClassC) |
| 2024-08-13 | 52.194.66.0 (ClassC) |
| 2024-11-24 | 54.238.174.149 (ClassC) |
| 2025-01-05 | 35.75.83.76 (ClassC) |
| 2025-05-03 | 18.182.142.202 (ClassC) |
| 2025-05-10 | 54.64.7.250 (ClassC) |
| Date | Domain | IP |
| www.cira-foundation.or.jp | 2024-10-30 | 18.181.156.121 |