| Date | IP Address |
| 2020-02-19 | 14.0.44.208 (ClassC) |
| 2021-02-12 | 14.0.41.244 (ClassC) |
| 2024-03-08 | 157.185.175.102 (ClassC) |
| 2024-04-08 | 157.185.169.208 (ClassC) |
| 2024-10-01 | 138.113.102.75 (ClassC) |
| 2025-03-23 | 140.150.36.51 (ClassC) |
| 2025-04-14 | 157.185.156.194 (ClassC) |
| 2025-08-06 | 138.113.24.64 (ClassC) |
| 2025-09-24 | 138.113.102.14 (ClassC) |
| 2026-01-27 | 157.185.145.100 (ClassC) |
| Date | Domain | IP |
| ism-sc.e-wsp.jp | 2024-09-22 | 138.113.24.64 |
| tmnavi.e-wsp.jp | 2024-01-09 | 138.113.102.96 |
| auction.e-wsp.jp | 2019-05-24 | 106.186.99.54 |
| www.e-wsp.jp | 2024-03-08 | 157.185.175.102 |