| Date | IP Address |
| 2025-04-04 | 54.249.34.202 (ClassC) |
| 2025-05-31 | 35.73.117.107 (ClassC) |
| 2025-06-12 | 54.64.62.88 (ClassC) |
| 2025-06-20 | 52.198.25.93 (ClassC) |
| 2025-09-19 | 35.74.119.193 (ClassC) |
| 2025-11-10 | 35.79.75.207 (ClassC) |
| 2026-03-02 | 175.41.217.48 (ClassC) |
| Date | Domain | IP |
| mx-unsubscribe.test00.u-can.ne.jp | 2025-04-04 | 52.68.207.43 |
| intra.u-can.ne.jp | 2025-04-04 | 54.249.34.202 |
| t-intra.u-can.ne.jp | 2025-04-05 | 35.79.202.153 |
| mx-unsubscribe.u-can.ne.jp | 2025-04-05 | 54.249.34.202 |
| mnbpls-koushi.u-can.ne.jp | 2025-04-05 | 54.249.34.202 |
| t1-mnbpls-koushi.u-can.ne.jp | 2025-04-04 | 35.79.202.153 |
| wfuser.u-can.ne.jp | 2025-04-04 | 3.112.121.83 |
| t1-wfuser.u-can.ne.jp | 2025-04-04 | 35.79.202.153 |