| Date | IP Address |
| 2020-03-02 | 23.43.164.50 (ClassC) |
| 2021-12-09 | 23.197.192.202 (ClassC) |
| 2022-06-05 | 104.96.200.233 (ClassC) |
| 2023-06-15 | 23.202.90.83 (ClassC) |
| 2024-07-18 | 23.215.11.203 (ClassC) |
| 2025-04-08 | 23.41.4.82 (ClassC) |
| 2025-12-13 | 23.41.4.85 (ClassC) |
| 2025-12-29 | 23.216.147.132 (ClassC) |
| 2026-01-19 | 23.41.4.78 (ClassC) |
| Date | Domain | IP |
| secure.hlas.com.sg | 2025-10-19 | 23.41.4.78 |
| apii.hlas.com.sg | 2026-01-19 | 23.41.4.78 |
| api.hlas.com.sg | 2024-06-23 | 23.55.167.8 |
| app.hlas.com.sg | 2025-12-28 | 23.41.4.85 |
| r.hlas.com.sg | 2025-10-19 | 23.41.4.85 |
| assets.hlas.com.sg | 2024-12-08 | 23.54.19.187 |
| www.hlas.com.sg | 2025-04-08 | 23.41.4.82 |