| Date | IP Address |
| 2022-03-28 | 54.191.157.136 (ClassC) |
| 2025-11-12 | 162.159.140.98 (ClassC) |
| 2026-01-29 | 172.66.0.96 (ClassC) |
| Date | Domain | IP |
| earthmonth2022.ecochallenge.org | 2025-11-25 | 162.159.140.98 |
| campus2022.ecochallenge.org | 2026-01-10 | 162.159.140.98 |
| earthmonth2023.ecochallenge.org | 2025-12-25 | 172.66.0.96 |
| 2018.ecochallenge.org | 2025-11-12 | 162.159.140.98 |
| plasticfree.ecochallenge.org | 2025-12-25 | 162.159.140.98 |
| abbvie.ecochallenge.org | 2025-11-10 | 172.66.0.96 |
| earthmonth.ecochallenge.org | 2025-12-24 | 162.159.140.98 |
| drawdown.ecochallenge.org | 2018-07-02 | 130.211.191.36 |