| Date | IP Address |
| 2015-02-03 | 54.208.78.137 (ClassC) |
| 2016-12-05 | 54.89.13.142 (ClassC) |
| 2025-02-14 | 100.29.26.255 (ClassC) |
| 2025-03-28 | 44.212.188.7 (ClassC) |
| 2025-04-28 | 52.203.245.233 (ClassC) |
| 2025-07-09 | 44.194.204.169 (ClassC) |
| 2025-08-26 | 35.175.14.236 (ClassC) |
| 2025-09-08 | 107.20.230.85 (ClassC) |
| 2025-12-11 | 52.5.167.37 (ClassC) |
| 2026-01-22 | 3.94.46.80 (ClassC) |
| Date | Domain | IP |
| log.corpbenefitplan.com | 2026-01-17 | 54.82.205.145 |
| mail.corpbenefitplan.com | 2025-02-12 | 52.6.181.2 |
| payroll.corpbenefitplan.com | 2025-10-31 | 44.210.200.200 |
| epam.corpbenefitplan.com | 2024-08-16 | 50.19.207.25 |
| open.corpbenefitplan.com | 2024-09-11 | 3.227.176.95 |
| register.corpbenefitplan.com | 2025-06-09 | 44.205.232.102 |
| hr.corpbenefitplan.com | 2025-07-10 | 3.221.177.38 |
| paycor.corpbenefitplan.com | 2026-01-20 | 54.82.205.145 |
| aetnaclaims.corpbenefitplan.com | 2024-07-26 | 18.213.16.207 |
| donotreply.membercommunications.corpbenefitplan.com | 2024-07-28 | 184.72.175.172 |
| wwwapps.corpbenefitplan.com | 2025-02-14 | 100.29.26.255 |
| www.corpbenefitplan.com | 2024-07-31 | 23.20.213.143 |
| fax.corpbenefitplan.com | 2025-02-09 | 44.223.176.88 |