| Date | IP Address |
| 2019-12-01 | 198.48.59.74 (ClassC) |
| 2025-01-05 | 172.67.129.226 (ClassC) |
| 2025-01-15 | 104.21.32.1 (ClassC) |
| 2025-01-31 | 104.21.96.1 (ClassC) |
| 2025-03-07 | 104.21.64.1 (ClassC) |
| 2025-05-23 | 104.21.112.1 (ClassC) |
| 2025-08-22 | 104.21.48.1 (ClassC) |
| 2026-02-28 | 104.21.1.199 (ClassC) |
| Date | Domain | IP |
| mail.fc2webpro.com | 2024-11-06 | 185.109.170.138 |
| www.fc2webpro.com | 2025-01-05 | 172.67.129.226 |