| Date | IP Address |
| 2023-01-20 | 23.195.73.24 (ClassC) |
| 2023-03-02 | 184.30.150.204 (ClassC) |
| 2023-04-26 | 2.19.176.50 (ClassC) |
| 2023-11-02 | 23.38.191.42 (ClassC) |
| 2024-05-23 | 23.46.17.44 (ClassC) |
| 2024-07-07 | 104.70.127.55 (ClassC) |
| 2024-07-17 | 23.46.17.22 (ClassC) |
| 2024-08-10 | 23.46.17.26 (ClassC) |
| 2024-11-12 | 23.54.19.171 (ClassC) |
| 2024-12-26 | 23.46.228.177 (ClassC) |
| 2025-04-18 | 23.46.228.172 (ClassC) |
| 2025-07-26 | 23.216.147.194 (ClassC) |
| 2025-08-08 | 23.216.147.202 (ClassC) |
| Date | Domain | IP |
| api-catalog.e-gov.go.jp | 2025-02-17 | 99.84.66.64 |
| shinsei.e-gov.go.jp | 2025-08-03 | 23.216.147.202 |
| api.e-gov.go.jp | 2024-06-20 | 23.46.17.19 |
| data-api.kn.e-gov.go.jp | 2024-03-01 | 99.84.66.41 |
| administrative-doc.cloudikou.kensho.e-gov.go.jp | 2024-11-13 | 52.198.59.207 |
| developer-min.cloudikou.kensho.e-gov.go.jp | 2024-12-26 | 35.78.27.175 |
| elaws.e-gov.go.jp | 2024-05-23 | 99.84.66.115 |
| account.e-gov.go.jp | 2024-02-12 | 23.46.17.6 |
| www.e-gov.go.jp | 2023-11-02 | 23.38.191.42 |