| Date | IP Address |
| 2019-04-25 | 52.84.216.76 (ClassC) |
| 2019-04-25 | 52.84.216.53 (ClassC) |
| 2019-08-06 | 13.226.38.102 (ClassC) |
| 2019-08-06 | 13.226.38.127 (ClassC) |
| 2019-08-06 | 13.226.38.70 (ClassC) |
| 2024-07-07 | 3.163.24.124 (ClassC) |
| 2024-08-02 | 3.163.24.92 (ClassC) |
| 2025-03-18 | 18.172.170.25 (ClassC) |
| 2025-08-02 | 3.163.24.81 (ClassC) |
| 2025-11-23 | 3.163.24.96 (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 |
| navigator.calvertlearning.com | 2024-07-07 | 3.163.24.124 |
| jenkins.calvertlearning.com | 2025-11-06 | 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 |