| Date | IP Address |
| 2014-02-28 | 96.45.82.197 (ClassC) |
| 2014-04-22 | 96.45.82.133 (ClassC) |
| 2017-03-24 | 52.84.3.100 (ClassC) |
| 2018-01-06 | 52.222.220.110 (ClassC) |
| 2018-01-10 | 54.192.2.132 (ClassC) |
| 2018-02-26 | 52.84.14.104 (ClassC) |
| 2018-07-03 | 216.137.41.143 (ClassC) |
| 2018-07-10 | 52.85.233.11 (ClassC) |
| 2018-08-17 | 52.84.145.89 (ClassC) |
| 2018-08-28 | 54.192.7.172 (ClassC) |
| 2018-08-28 | 54.192.7.33 (ClassC) |
| 2018-08-28 | 54.192.7.117 (ClassC) |
| 2018-09-21 | 52.222.222.174 (ClassC) |
| 2018-09-21 | 52.84.33.29 (ClassC) |
| 2018-09-21 | 52.222.222.36 (ClassC) |
| 2019-06-09 | 54.230.89.160 (ClassC) |
| 2019-06-09 | 54.230.89.244 (ClassC) |
| 2019-12-11 | 52.85.34.249 (ClassC) |
| 2020-05-16 | 54.230.29.5 (ClassC) |
| 2020-05-16 | 54.230.29.59 (ClassC) |
| 2020-06-01 | 54.192.87.116 (ClassC) |
| 2020-06-01 | 54.192.87.28 (ClassC) |
| 2020-07-27 | 52.186.94.16 (ClassC) |
| 2025-08-10 | 20.237.25.126 (ClassC) |
| Date | Domain | IP |
| beta.oldweather.org | 2025-07-11 | 20.237.25.126 |
| classic.oldweather.org | 2025-07-31 | 20.237.25.126 |
| arctic.oldweather.org | 2025-07-18 | 20.237.25.126 |
| old.oldweather.org | 2025-04-23 | 20.237.25.126 |
| whaling.oldweather.org | 2025-08-03 | 20.237.25.126 |
| forum.oldweather.org | 2025-05-14 | 20.237.25.126 |
| www.oldweather.org | 2025-07-31 | 20.237.25.126 |