| Date | IP Address |
| 2025-06-20 | 13.249.59.127 (ClassC) |
| 2025-11-29 | 18.161.6.112 (ClassC) |
| Date | Domain | IP |
| kuponline.cactus.co.jp | 2024-06-09 | 13.250.189.116 |
| sso.cactus.co.jp | 2025-11-29 | 18.161.6.112 |
| app.kup.cactus.co.jp | 2024-02-21 | 13.251.197.43 |
| accounts.cactus.co.jp | 2024-02-21 | 54.169.234.70 |
| www.cactus.co.jp | 2025-05-13 | 162.240.111.228 |