| Date | IP Address |
| 2018-04-20 | 13.33.115.96 (ClassC) |
| 2018-04-20 | 13.33.115.147 (ClassC) |
| 2018-04-20 | 13.33.115.198 (ClassC) |
| 2018-04-20 | 13.33.115.48 (ClassC) |
| 2018-07-05 | 13.32.67.246 (ClassC) |
| 2024-02-29 | 99.84.66.128 (ClassC) |
| 2024-07-06 | 18.161.6.58 (ClassC) |
| 2025-01-26 | 52.84.162.117 (ClassC) |
| 2025-05-03 | 3.175.34.97 (ClassC) |
| 2025-05-12 | 99.84.66.17 (ClassC) |
| 2025-08-12 | 99.84.66.37 (ClassC) |
| Date | Domain | IP |
| siww2024registration.siww.com.sg | 2025-05-21 | 52.163.223.204 |
| waterexporegistration.siww.com.sg | 2025-05-25 | 52.230.5.51 |
| www.siww.com.sg | 2024-02-29 | 99.84.66.128 |