| Date | IP Address |
| 2013-05-24 | 216.166.23.40 (ClassC) |
| 2018-10-11 | 202.14.150.27 (ClassC) |
| 2019-12-01 | 104.42.152.64 (ClassC) |
| 2023-01-09 | 202.14.150.72 (ClassC) |
| 2024-01-07 | 20.169.153.83 (ClassC) |
| 2024-04-26 | 104.16.62.97 (ClassC) |
| 2024-07-29 | 104.17.138.194 (ClassC) |
| 2025-01-06 | 104.16.61.97 (ClassC) |
| Date | Domain | IP |
| mx2.us.cardno.com | 2024-07-20 | 216.166.23.39 |
| www.cardno.com | 2019-12-01 | 104.42.152.64 |