| Date | IP Address |
| 2016-01-21 | 54.250.185.74 (ClassC) |
| 2017-06-20 | 54.64.130.121 (ClassC) |
| 2019-12-24 | 18.177.237.108 (ClassC) |
| 2021-03-02 | 52.199.152.128 (ClassC) |
| 2021-06-14 | 13.112.188.163 (ClassC) |
| 2023-12-07 | 54.65.6.114 (ClassC) |
| 2024-07-27 | 52.192.148.218 (ClassC) |
| 2025-04-21 | 18.177.165.92 (ClassC) |
| 2025-07-30 | 57.182.238.231 (ClassC) |
| 2025-08-23 | 3.114.70.161 (ClassC) |
| 2025-09-08 | 18.176.6.71 (ClassC) |
| 2026-01-22 | 18.177.80.47 (ClassC) |
| Date | Domain | IP |
| www.nanairo.or.jp | 2024-07-03 | 35.75.223.127 |