| Date | IP Address |
| 2025-01-24 | 35.201.83.130 (ClassC) |
| Date | Domain | IP |
| bookmuseums.nhb.gov.sg | 2024-11-24 | 54.169.61.243 |
| api-stg.bookmuseums.nhb.gov.sg | 2024-09-03 | 99.84.66.87 |
| api.bookmuseums.nhb.gov.sg | 2024-11-24 | 3.163.24.73 |
| www.bookmuseums.nhb.gov.sg | 2024-11-24 | 3.163.24.122 |
| www.nhb.gov.sg | 2024-02-25 | 204.246.191.71 |