| Date | IP Address |
| 2015-12-17 | 23.21.147.100 (ClassC) |
| 2024-04-30 | 52.2.84.13 (ClassC) |
| 2024-09-11 | 52.86.241.6 (ClassC) |
| 2024-10-05 | 52.2.191.229 (ClassC) |
| 2025-01-20 | 52.1.222.178 (ClassC) |
| Date | Domain | IP |
| rules.groupcse.com | 2024-04-30 | 3.5.28.169 |
| www.groupcse.com | 2024-04-30 | 52.2.84.13 |