| Date | IP Address |
| 2013-07-22 | 108.162.198.92 (ClassC) |
| 2014-11-23 | 104.28.23.12 (ClassC) |
| 2014-11-23 | 104.28.22.12 (ClassC) |
| 2019-12-08 | 104.31.68.169 (ClassC) |
| 2019-12-08 | 104.31.69.169 (ClassC) |
| 2022-12-06 | 188.114.96.2 (ClassC) |
| 2025-02-16 | 104.21.48.1 (ClassC) |
| 2025-02-22 | 104.21.32.1 (ClassC) |
| 2025-02-24 | 104.21.96.1 (ClassC) |
| 2025-04-26 | 104.21.64.1 (ClassC) |
| 2025-04-29 | 104.21.16.1 (ClassC) |
| 2025-05-17 | 104.21.112.1 (ClassC) |
| 2025-06-17 | 104.21.80.1 (ClassC) |
| 2025-09-23 | 104.21.19.25 (ClassC) |
| 2026-02-25 | 172.67.184.230 (ClassC) |
| Date | Domain | IP |
| www.concrete5-japan.org | 2015-02-27 | 104.28.22.12 |