| Date | IP Address |
| 2020-08-26 | 99.84.168.160 (ClassC) |
| 2024-09-09 | 99.84.66.126 (ClassC) |
| 2024-10-22 | 3.163.189.54 (ClassC) |
| 2025-04-03 | 99.84.66.62 (ClassC) |
| Date | Domain | IP |
| autoware.internal-docs.dev.tier4.jp | 2024-09-08 | 204.246.191.95 |
| tools.dev.tier4.jp | 2024-12-24 | 18.161.6.16 |
| console.fms.dev.tier4.jp | 2024-07-27 | 3.163.24.46 |
| calls.fms.dev.tier4.jp | 2024-02-28 | 204.246.191.113 |