| Date | IP Address |
| 2024-05-28 | 104.21.77.15 (ClassC) |
| 2025-11-19 | 172.67.203.33 (ClassC) |
| Date | Domain | IP |
| 2.hfs4goi.workers.dev | 2025-11-19 | 172.67.203.33 |
| 13-hello-world-summer-hall-1bb6.hfs4goi.workers.dev | 2025-11-19 | 172.67.203.33 |
| 10-hello-world-orange-bush-c1f7.hfs4goi.workers.dev | 2025-11-19 | 172.67.203.33 |
| bb.hfs4goi.workers.dev | 2025-11-19 | 104.21.77.15 |