| Date | IP Address |
| 2024-01-11 | 18.178.215.159 (ClassC) |
| 2024-03-26 | 54.168.21.199 (ClassC) |
| 2024-05-02 | 18.177.107.201 (ClassC) |
| 2024-07-18 | 13.114.129.159 (ClassC) |
| 2024-08-10 | 52.193.119.138 (ClassC) |
| 2024-09-02 | 13.230.133.139 (ClassC) |
| 2024-09-06 | 13.114.137.79 (ClassC) |
| 2024-09-22 | 18.182.69.72 (ClassC) |
| 2024-10-14 | 175.41.251.82 (ClassC) |
| 2024-10-21 | 13.114.123.170 (ClassC) |
| 2024-11-12 | 52.69.198.166 (ClassC) |
| 2024-11-24 | 13.230.235.187 (ClassC) |
| 2024-12-01 | 18.180.207.60 (ClassC) |
| 2024-12-12 | 18.180.213.225 (ClassC) |
| 2024-12-20 | 52.196.66.130 (ClassC) |
| 2025-01-20 | 54.64.179.24 (ClassC) |
| 2025-02-03 | 54.150.105.44 (ClassC) |
| 2025-02-26 | 54.249.38.122 (ClassC) |
| 2025-03-15 | 54.65.175.186 (ClassC) |
| 2025-03-23 | 13.112.20.201 (ClassC) |
| 2025-06-01 | 3.113.140.138 (ClassC) |
| Date | Domain | IP |
| 062090.admin.covid19-vaccine.mrso.jp | 2025-03-07 | 52.192.110.46 |
| www.vaccine.mrso.jp | 2024-09-22 | 52.69.45.55 |
| admin.kenshin.mrso.jp | 2024-12-26 | 52.198.7.162 |
| www.mrso.jp | 2024-07-24 | 3.114.162.179 |