| Date | IP Address |
| 2016-02-18 | 54.231.133.82 (ClassC) |
| 2021-06-29 | 52.218.118.60 (ClassC) |
| 2024-09-04 | 52.218.26.20 (ClassC) |
| 2024-11-15 | 52.218.88.84 (ClassC) |
| 2024-12-26 | 52.218.101.252 (ClassC) |
| Date | Domain | IP |
| console.postcodeapi.nu | 2023-12-06 | 18.161.6.58 |
| api.postcodeapi.nu | 2024-02-15 | 204.246.191.100 |
| cdn.postcodeapi.nu | 2024-09-01 | 18.161.6.102 |
| api-dev.postcodeapi.nu | 2024-10-31 | 99.84.66.29 |
| cdn-dev.postcodeapi.nu | 2024-12-14 | 108.138.94.4 |
| www-dev.postcodeapi.nu | 2024-06-28 | 99.84.66.53 |
| www.postcodeapi.nu | 2024-09-18 | 3.163.24.77 |