| Date | IP Address |
| 2024-09-21 | 18.208.38.251 (ClassC) |
| 2025-01-22 | 3.227.125.80 (ClassC) |
| 2025-02-26 | 50.16.30.167 (ClassC) |
| 2025-04-28 | 54.197.106.185 (ClassC) |
| 2025-05-09 | 44.212.188.41 (ClassC) |
| Date | Domain | IP |
| portal.er2.com | 2024-09-13 | 107.21.10.200 |
| demo.portal.er2.com | 2024-09-21 | 18.208.38.251 |
| master.production.er2.com | 2024-06-03 | 18.235.150.196 |
| uploads.er2.com | 2023-10-31 | 52.92.165.178 |
| www.er2.com | 2023-11-01 | 44.217.108.178 |