| Date | IP Address |
| 2025-02-02 | 20.197.121.190 (ClassC) |
| Date | Domain | IP |
| servicedesk.hpb.gov.sg | 2025-01-31 | 20.43.185.40 |
| surveyadmin.hpb.gov.sg | 2025-02-02 | 20.197.121.190 |
| partnersvpn.hpb.gov.sg | 2025-02-02 | 20.195.112.239 |
| learnsrs.hpb.gov.sg | 2025-02-02 | 40.119.248.182 |
| pph-uat.hpb.gov.sg | 2024-08-05 | 20.43.165.26 |
| yhms-auth2-sit.hpb.gov.sg | 2024-11-25 | 20.247.217.99 |
| lumihealth-cms-sit.hpb.gov.sg | 2024-11-25 | 20.197.111.177 |
| www.hpb.gov.sg | 2024-11-24 | 13.107.246.70 |