| Date | IP Address |
| 2025-01-19 | 52.190.254.158 (ClassC) |
| Date | Domain | IP |
| int.convai.speech-test.microsoft.com | 2024-12-14 | 172.173.211.112 |
| int.telephony.convai.speech-test.microsoft.com | 2024-01-31 | 40.112.249.0 |
| a.dev.telephony.convai.speech-test.microsoft.com | 2024-12-14 | 40.112.249.0 |
| b.dev.telephony.convai.speech-test.microsoft.com | 2025-01-19 | 52.190.254.158 |