| Date | IP Address |
| 2023-08-27 | 210.148.106.85 (ClassC) |
| 2024-08-21 | 23.192.230.92 (ClassC) |
| 2024-08-29 | 23.54.19.170 (ClassC) |
| 2024-09-30 | 23.54.19.67 (ClassC) |
| 2024-12-24 | 23.209.92.111 (ClassC) |
| 2025-03-24 | 23.56.237.84 (ClassC) |
| 2025-04-09 | 23.41.4.91 (ClassC) |
| 2025-10-10 | 23.41.4.87 (ClassC) |
| 2026-02-06 | 23.216.145.5 (ClassC) |
| Date | Domain | IP |
| image.telemail.jp | 2013-12-10 | 14.0.45.67 |
| admission.telemail.jp | 2024-02-04 | 23.41.4.81 |
| frompage-cs.telemail.jp | 2025-07-24 | 23.41.4.78 |
| frompage-cs.aws.telemail.jp | 2024-11-25 | 18.180.33.61 |
| client.telemail.jp | 2026-01-04 | 104.70.127.58 |
| www.telemail.jp | 2026-01-18 | 210.148.106.81 |