| Date | IP Address |
| 2020-03-27 | 143.204.160.102 (ClassC) |
| 2020-03-27 | 143.204.160.54 (ClassC) |
| 2020-03-27 | 143.204.160.85 (ClassC) |
| 2025-05-14 | 18.161.6.46 (ClassC) |
| 2025-07-29 | 18.161.6.23 (ClassC) |
| 2025-10-24 | 18.161.6.111 (ClassC) |
| 2026-02-14 | 18.161.6.127 (ClassC) |
| Date | Domain | IP |
| bosai.itp.ne.jp | 2020-03-23 | 13.225.217.63 |
| support-api.itp.ne.jp | 2024-05-08 | 52.198.60.124 |
| nttbj.itp.ne.jp | 2024-12-12 | 3.163.189.26 |
| medical.itp.ne.jp | 2024-11-05 | 99.86.38.68 |
| resources.itp.ne.jp | 2024-02-11 | 65.8.161.109 |
| resources-ss.itp.ne.jp | 2025-05-14 | 18.161.6.46 |
| www.itp.ne.jp | 2023-11-01 | 18.161.6.20 |