| Date | IP Address |
| 2020-11-13 | 13.226.18.69 (ClassC) |
| 2021-06-22 | 13.226.13.62 (ClassC) |
| 2021-06-22 | 13.226.13.83 (ClassC) |
| 2021-07-27 | 99.84.64.76 (ClassC) |
| 2021-08-30 | 54.192.58.99 (ClassC) |
| 2021-08-30 | 54.192.58.61 (ClassC) |
| 2022-01-24 | 13.226.9.20 (ClassC) |
| 2022-02-16 | 108.156.91.30 (ClassC) |
| 2022-06-29 | 52.84.52.113 (ClassC) |
| 2024-09-19 | 99.84.66.18 (ClassC) |
| 2024-10-09 | 3.163.189.77 (ClassC) |
| 2025-01-28 | 3.163.189.81 (ClassC) |
| 2025-04-13 | 99.84.66.56 (ClassC) |
| 2025-05-02 | 99.84.66.65 (ClassC) |
| Date | Domain | IP |
| careers.tesol.org | 2024-11-06 | 99.84.66.18 |
| admin.careers.tesol.org | 2021-07-27 | 99.84.64.76 |
| www.tesol.org | 2024-09-13 | 20.7.39.15 |