| Date | IP Address |
| 2020-07-08 | 99.84.238.50 (ClassC) |
| 2024-10-15 | 204.246.191.105 (ClassC) |
| 2025-04-17 | 204.246.191.114 (ClassC) |
| 2025-05-15 | 204.246.191.112 (ClassC) |
| Date | Domain | IP |
| uta-web.ut-g.co.jp | 2025-03-06 | 18.65.229.64 |
| stg.uta-web.ut-g.co.jp | 2025-03-05 | 18.161.6.10 |
| image.mc.ut-g.co.jp | 2023-10-31 | 23.200.58.85 |
| click.mc.ut-g.co.jp | 2025-04-17 | 13.111.18.12 |
| portal.ut-g.co.jp | 2025-03-06 | 52.84.162.23 |
| assessment.ut-g.co.jp | 2025-03-08 | 18.161.6.39 |
| manager-support.ut-g.co.jp | 2024-11-25 | 99.84.66.6 |
| web-test.ut-g.co.jp | 2025-03-05 | 18.172.185.116 |
| stg.web-test.ut-g.co.jp | 2024-11-12 | 18.161.6.19 |
| api.web-test.ut-g.co.jp | 2024-06-14 | 99.84.66.118 |
| stg-api.web-test.ut-g.co.jp | 2024-10-15 | 204.246.191.105 |
| tst-api.web-test.ut-g.co.jp | 2025-03-06 | 18.161.6.12 |
| tst.web-test.ut-g.co.jp | 2025-03-06 | 204.246.191.98 |
| www.ut-g.co.jp | 2025-03-02 | 18.181.28.131 |