| Date | IP Address |
| 2023-02-24 | 23.48.209.42 (ClassC) |
| 2023-06-07 | 23.198.7.239 (ClassC) |
| 2023-06-07 | 23.198.7.237 (ClassC) |
| 2023-11-02 | 23.1.33.41 (ClassC) |
| 2023-11-02 | 23.1.33.47 (ClassC) |
| 2024-01-15 | 23.221.220.24 (ClassC) |
| 2024-07-23 | 23.220.103.11 (ClassC) |
| 2026-01-08 | 23.200.133.15 (ClassC) |
| 2026-03-05 | 23.46.228.169 (ClassC) |
| Date | Domain | IP |
| data.e-gov.go.jp | 2025-10-12 | 3.169.173.89 |
| administrative-doc.e-gov.go.jp | 2025-10-20 | 23.46.228.171 |
| api-catalog.e-gov.go.jp | 2025-08-07 | 99.84.66.35 |
| search.e-gov.go.jp | 2026-02-14 | 23.216.147.206 |
| shinsei.e-gov.go.jp | 2025-08-28 | 23.46.228.176 |
| api.e-gov.go.jp | 2024-06-20 | 23.46.17.19 |
| api-catalog.kn.e-gov.go.jp | 2026-01-05 | 18.161.6.34 |
| 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 |
| files.e-gov.go.jp | 2025-12-22 | 23.216.147.208 |
| elaws.e-gov.go.jp | 2024-05-23 | 99.84.66.115 |
| public-comment.e-gov.go.jp | 2026-03-05 | 23.46.228.169 |
| account.e-gov.go.jp | 2024-02-12 | 23.46.17.6 |
| www.e-gov.go.jp | 2023-11-02 | 23.38.191.42 |