| Date | IP Address |
| 2023-12-01 | 35.76.195.96 (ClassC) |
| 2024-08-10 | 52.199.122.151 (ClassC) |
| 2024-12-30 | 52.195.64.218 (ClassC) |
| 2025-02-28 | 54.95.10.27 (ClassC) |
| 2025-03-04 | 52.69.117.96 (ClassC) |
| 2025-03-28 | 54.65.5.252 (ClassC) |
| 2025-04-05 | 54.64.244.4 (ClassC) |
| 2025-05-08 | 3.113.124.247 (ClassC) |
| 2025-08-03 | 57.183.52.211 (ClassC) |
| 2025-08-22 | 52.199.131.130 (ClassC) |
| 2025-09-07 | 3.114.170.227 (ClassC) |
| 2026-01-03 | 54.248.96.203 (ClassC) |
| 2026-02-26 | 13.192.180.141 (ClassC) |
| Date | Domain | IP |
| ns1.iphs.itup.co.jp | 2025-12-13 | 205.251.193.250 |
| ns3.iphs.itup.co.jp | 2025-03-22 | 205.251.194.222 |
| www.itup.co.jp | 2023-12-01 | 54.250.239.214 |