| Date | IP Address |
| 2018-08-01 | 172.64.166.4 (ClassC) |
| 2018-09-26 | 172.64.101.31 (ClassC) |
| 2018-10-16 | 172.64.136.16 (ClassC) |
| 2018-11-07 | 104.24.101.65 (ClassC) |
| 2023-08-27 | 172.67.161.195 (ClassC) |
| 2024-09-27 | 104.21.75.250 (ClassC) |
| 2025-05-01 | 104.21.112.1 (ClassC) |
| 2025-09-16 | 104.21.64.1 (ClassC) |
| 2026-01-21 | 172.67.184.139 (ClassC) |
| Date | Domain | IP |
| code.responsivevoice.org | 2024-10-07 | 172.67.184.139 |
| www.responsivevoice.org | 2024-07-14 | 172.67.184.139 |