| Date | IP Address |
| 2024-06-24 | 104.18.36.240 (ClassC) |
| 2024-07-02 | 172.64.151.16 (ClassC) |
| 2024-08-02 | 104.18.11.248 (ClassC) |
| 2024-08-09 | 104.18.10.248 (ClassC) |
| 2025-05-10 | 172.64.146.252 (ClassC) |
| 2025-11-30 | 104.18.41.4 (ClassC) |
| Date | Domain | IP |
| www.pfizer-covid19-vaccinated.jp | 2024-07-26 | 104.18.10.248 |