| Date | IP Address |
| 2020-01-31 | 52.2.61.129 (ClassC) |
| 2020-06-26 | 34.239.199.136 (ClassC) |
| 2025-10-18 | 172.66.0.125 (ClassC) |
| 2026-02-16 | 162.159.140.127 (ClassC) |
| Date | Domain | IP |
| uat1.epic.ecmc.org | 2025-03-23 | 35.170.172.215 |
| secureauth.ecmc.org | 2025-10-16 | 44.195.234.146 |
| mail.ecmc.org | 2013-05-16 | 208.42.188.13 |
| prd0.olr.ecmc.org | 2025-10-02 | 34.192.201.105 |
| borroweraccess.ecmc.org | 2024-11-25 | 23.21.198.234 |
| tst.borroweraccess.ecmc.org | 2024-11-24 | 54.236.219.183 |
| dev.borroweraccess.ecmc.org | 2024-11-24 | 44.212.148.253 |
| services-uat.ecmc.org | 2026-01-17 | 44.197.11.245 |
| www.ecmc.org | 2025-10-18 | 172.66.0.125 |