| Date | IP Address |
| 2024-11-16 | 20.157.120.98 (ClassC) |
| Date | Domain | IP |
| hwb.llyw.cymru | 2024-03-01 | 18.239.199.113 |
| www.labdysgullc.llyw.cymru | 2022-02-14 | 54.192.73.55 |
| ceisioamgyllidgosodbandeang.gwasanaeth.llyw.cymru | 2024-11-02 | 51.141.97.243 |
| govservice.ynysmon.llyw.cymru | 2024-06-24 | 54.77.203.183 |
| fynghyfrif.ynysmon.llyw.cymru | 2024-09-02 | 34.251.66.17 |
| cymrungweithio.llyw.cymru | 2024-06-09 | 45.60.32.95 |
| busnescymru.llyw.cymru | 2024-09-25 | 51.141.97.243 |
| gwiriwrcymhwysedd.busnescymru.llyw.cymru | 2023-12-01 | 152.195.19.97 |
| statscymru.llyw.cymru | 2024-11-16 | 20.157.120.98 |
| agored.statscymru.llyw.cymru | 2024-11-13 | 40.85.134.30 |
| www.llyw.cymru | 2024-04-13 | 3.163.24.115 |