| Date | IP Address |
| 2022-08-19 | 3.248.18.55 (ClassC) |
| 2025-09-12 | 34.246.68.158 (ClassC) |
| 2025-09-28 | 34.254.76.215 (ClassC) |
| 2025-10-10 | 52.50.144.53 (ClassC) |
| 2025-11-02 | 99.81.149.234 (ClassC) |
| 2025-11-25 | 46.137.158.240 (ClassC) |
| Date | Domain | IP |
| kakaotalk-us1.eu1tst.conv-api-test.staging.sinch.com | 2025-09-12 | 54.195.108.61 |
| messenger-us1.eu1tst.conv-api-test.staging.sinch.com | 2025-09-12 | 34.246.68.158 |
| kakaotalk-us1tst.eu1tst.conv-api-test.staging.sinch.com | 2025-09-12 | 34.246.68.158 |
| kakaotalk-eu1tst.eu1tst.conv-api-test.staging.sinch.com | 2025-09-06 | 54.195.108.61 |