| Date | IP Address |
| 2018-05-10 | 52.22.97.255 (ClassC) |
| 2025-11-21 | 18.214.47.102 (ClassC) |
| Date | Domain | IP |
| api3.libcal.com | 2025-05-28 | 54.82.201.33 |
| api3-ca.libcal.com | 2025-05-14 | 35.182.25.241 |
| unfwrites.libcal.com | 2025-11-21 | 18.214.47.102 |
| bccls.libcal.com | 2024-11-15 | 18.214.47.102 |
| static-assets-us.libcal.com | 2025-05-25 | 3.163.158.14 |
| nyu.libcal.com | 2025-11-21 | 18.235.213.250 |
| anokacounty.libcal.com | 2024-09-22 | 18.235.213.250 |