| Date | IP Address |
| 2017-06-06 | 209.85.234.128 (ClassC) |
| 2017-08-12 | 74.125.132.128 (ClassC) |
| 2018-02-02 | 64.233.182.128 (ClassC) |
| 2018-05-03 | 173.194.192.128 (ClassC) |
| 2018-05-07 | 173.194.196.128 (ClassC) |
| 2025-08-01 | 151.101.1.195 (ClassC) |
| 2025-11-03 | 151.101.65.195 (ClassC) |
| Date | Domain | IP |
| py3.codeskulptor.org | 2025-03-31 | 151.101.1.195 |
| rice.codeskulptor.org | 2025-08-01 | 151.101.1.195 |
| www.codeskulptor.org | 2025-08-21 | 192.64.119.155 |