| Date | IP Address |
| 2024-11-24 | 23.46.17.48 (ClassC) |
| 2025-03-09 | 23.46.228.171 (ClassC) |
| 2025-04-19 | 23.202.47.26 (ClassC) |
| 2025-09-13 | 23.216.147.196 (ClassC) |
| 2025-12-18 | 23.200.133.15 (ClassC) |
| 2026-03-07 | 23.216.147.209 (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 |