| Date | IP Address |
| 2019-12-12 | 34.194.212.98 (ClassC) |
| 2020-10-11 | 54.88.189.59 (ClassC) |
| 2022-08-29 | 34.206.133.168 (ClassC) |
| 2022-12-22 | 3.226.1.6 (ClassC) |
| 2023-06-19 | 54.86.0.103 (ClassC) |
| 2023-08-08 | 54.88.118.140 (ClassC) |
| 2023-09-01 | 34.200.152.230 (ClassC) |
| 2025-10-11 | 44.198.222.8 (ClassC) |
| 2025-10-23 | 54.237.95.25 (ClassC) |
| 2025-12-29 | 100.27.136.189 (ClassC) |
| 2026-01-22 | 98.83.9.218 (ClassC) |
| Date | Domain | IP |
| nrate-map-web.topcon.co.jp | 2025-02-26 | 54.249.92.32 |
| positioning.topcon.co.jp | 2025-12-30 | 211.132.11.31 |
| learning.topcon.co.jp | 2025-10-11 | 44.198.222.8 |