| Date | IP Address |
| 2021-08-23 | 13.226.29.102 (ClassC) |
| 2021-09-17 | 99.84.250.128 (ClassC) |
| 2021-09-28 | 13.32.208.52 (ClassC) |
| 2025-07-23 | 104.21.16.1 (ClassC) |
| 2025-08-16 | 104.21.48.1 (ClassC) |
| 2025-08-30 | 104.21.96.1 (ClassC) |
| 2025-11-17 | 172.67.202.37 (ClassC) |
| Date | Domain | IP |
| api.opensyllabus.org | 2024-02-19 | 54.87.224.210 |
| explorer-api.opensyllabus.org | 2025-07-23 | 104.21.16.1 |