| Date | IP Address |
| 2020-09-21 | 143.204.201.65 (ClassC) |
| 2024-07-24 | 3.163.24.73 (ClassC) |
| 2025-06-18 | 18.244.164.58 (ClassC) |
| 2025-10-24 | 3.163.24.20 (ClassC) |
| 2025-12-02 | 18.164.116.37 (ClassC) |
| 2026-01-20 | 3.163.24.42 (ClassC) |
| 2026-03-01 | 3.163.24.98 (ClassC) |
| Date | Domain | IP |
| api.sigchi.org | 2026-01-11 | 54.166.82.174 |
| files.sigchi.org | 2024-07-24 | 3.163.24.73 |