| Date | IP Address |
| 2017-05-21 | 54.243.49.106 (ClassC) |
| 2017-09-06 | 23.23.84.12 (ClassC) |
| 2017-09-26 | 54.225.111.83 (ClassC) |
| 2017-09-27 | 54.225.135.129 (ClassC) |
| 2017-11-08 | 50.17.208.250 (ClassC) |
| 2018-01-10 | 54.225.144.171 (ClassC) |
| 2026-01-16 | 100.24.208.97 (ClassC) |
| 2026-02-19 | 35.172.94.1 (ClassC) |
| Date | Domain | IP |
| antispam.icumc.org | 2024-07-02 | 3.210.192.5 |