| Date | IP Address |
| 2017-10-18 | 52.84.11.72 (ClassC) |
| 2018-08-21 | 54.192.7.87 (ClassC) |
| 2018-08-22 | 52.85.201.177 (ClassC) |
| 2019-04-07 | 52.222.218.123 (ClassC) |
| 2019-05-01 | 13.32.240.72 (ClassC) |
| 2019-05-01 | 13.32.240.8 (ClassC) |
| 2019-05-01 | 52.84.134.132 (ClassC) |
| 2019-05-01 | 13.32.240.51 (ClassC) |
| 2019-08-20 | 13.224.227.93 (ClassC) |
| 2020-11-30 | 13.225.25.118 (ClassC) |
| 2021-01-08 | 13.227.209.30 (ClassC) |
| 2021-01-28 | 143.204.217.51 (ClassC) |
| 2026-02-27 | 192.124.249.34 (ClassC) |
| Date | Domain | IP |
| mail.ais.com.sg | 2025-07-07 | 116.12.228.232 |
| autodiscover.ais.com.sg | 2025-01-24 | 40.97.205.8 |
| www.ais.com.sg | 2026-02-27 | 192.124.249.34 |