| Date | IP Address |
| 2023-10-31 | 52.92.165.178 (ClassC) |
| 2024-04-30 | 3.5.79.21 (ClassC) |
| 2024-05-15 | 52.92.148.138 (ClassC) |
| 2024-08-02 | 3.5.78.4 (ClassC) |
| 2024-08-09 | 3.5.83.219 (ClassC) |
| 2024-08-31 | 52.92.202.138 (ClassC) |
| 2024-10-14 | 52.92.194.138 (ClassC) |
| 2024-10-18 | 52.218.249.225 (ClassC) |
| 2024-11-11 | 52.92.230.106 (ClassC) |
| 2024-11-28 | 52.92.153.178 (ClassC) |
| 2024-12-06 | 3.5.76.13 (ClassC) |
| 2025-01-25 | 3.5.77.192 (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 |