| Date | IP Address |
| 2016-09-02 | 54.82.234.46 (ClassC) |
| 2016-10-03 | 54.164.93.121 (ClassC) |
| 2016-10-11 | 52.201.8.102 (ClassC) |
| 2024-11-17 | 104.21.49.115 (ClassC) |
| 2024-12-01 | 172.67.162.118 (ClassC) |
| 2024-12-25 | 104.21.112.1 (ClassC) |
| 2025-01-03 | 104.21.32.1 (ClassC) |
| 2025-01-07 | 104.21.16.1 (ClassC) |
| Date | Domain | IP |
| mx02.c4isrnet.com | 2024-08-30 | 104.96.163.81 |
| a2.c4isrnet.com | 2015-03-30 | 165.254.114.113 |
| barracuda.c4isrnet.com | 2024-12-11 | 23.213.175.218 |
| srepdata.c4isrnet.com | 2024-08-13 | 63.140.37.126 |
| beta.c4isrnet.com | 2024-03-19 | 184.28.93.17 |
| archive.c4isrnet.com | 2015-02-26 | 205.234.218.34 |
| webmail.c4isrnet.com | 2024-02-15 | 23.219.78.179 |
| mxs.c4isrnet.com | 2024-12-27 | 104.96.203.10 |
| pinghu.c4isrnet.com | 2024-07-12 | 23.215.176.49 |
| www.c4isrnet.com | 2014-11-16 | 165.254.206.200 |