| Date | IP Address |
| 2023-11-01 | 13.115.223.110 (ClassC) |
| 2024-09-17 | 54.64.3.157 (ClassC) |
| 2024-11-07 | 35.78.143.147 (ClassC) |
| 2024-11-24 | 52.192.164.198 (ClassC) |
| 2025-02-17 | 54.65.13.254 (ClassC) |
| 2025-06-06 | 35.79.140.7 (ClassC) |
| 2025-06-29 | 52.195.73.108 (ClassC) |
| 2025-09-07 | 18.182.196.15 (ClassC) |
| 2026-01-28 | 13.158.253.125 (ClassC) |
| Date | Domain | IP |
| system.fellows.tokyo | 2024-11-25 | 54.168.184.231 |
| www.fellows.tokyo | 2023-11-01 | 13.115.223.110 |