| Date | IP Address |
| 2021-10-19 | 23.64.114.83 (ClassC) |
| 2021-10-19 | 23.64.114.67 (ClassC) |
| 2021-12-01 | 23.35.71.192 (ClassC) |
| 2022-07-13 | 104.88.204.11 (ClassC) |
| 2023-11-23 | 23.198.6.10 (ClassC) |
| 2024-09-17 | 23.46.17.17 (ClassC) |
| 2024-10-03 | 23.46.17.28 (ClassC) |
| 2024-11-24 | 23.46.17.60 (ClassC) |
| 2025-03-30 | 23.46.228.171 (ClassC) |
| 2025-06-05 | 23.216.147.196 (ClassC) |
| Date | Domain | IP |
| customerservice.nuco2.com | 2024-02-21 | 23.216.145.71 |
| nuco2test.nuco2.com | 2024-11-24 | 23.46.17.48 |
| customerservicetest.nuco2.com | 2024-09-17 | 23.46.17.17 |
| www.nuco2.com | 2024-11-24 | 23.44.175.138 |