| Date | IP Address |
| 2021-04-30 | 13.225.218.11 (ClassC) |
| 2021-04-30 | 13.225.218.99 (ClassC) |
| 2024-09-13 | 99.84.66.71 (ClassC) |
| 2024-12-21 | 18.172.170.123 (ClassC) |
| 2025-01-11 | 99.84.66.75 (ClassC) |
| 2025-03-23 | 99.84.66.25 (ClassC) |
| 2025-05-17 | 18.172.170.42 (ClassC) |
| 2026-01-12 | 3.169.173.14 (ClassC) |
| 2026-01-19 | 3.169.173.7 (ClassC) |
| 2026-02-27 | 3.169.173.73 (ClassC) |
| Date | Domain | IP |
| dev.static.calvertlearning.com | 2023-11-16 | 52.216.211.208 |
| api.calvertlearning.com | 2024-06-10 | 18.224.192.123 |
| openapi.calvertlearning.com | 2026-01-11 | 3.175.34.39 |
| navigator.calvertlearning.com | 2024-07-07 | 3.163.24.124 |
| jenkins.calvertlearning.com | 2025-11-23 | 52.204.250.120 |
| coursecontent.calvertlearning.com | 2024-11-30 | 3.163.189.85 |
| standards.dev.calvertlearning.com | 2024-09-13 | 99.84.66.71 |
| www.calvertlearning.com | 2023-11-01 | 23.213.175.49 |