These entries are queried from radb.net using whois, you can try my project getting these.
:AS22451 route: 65.254.176.0/24 descr: Originated by Sentara Halifax Regional Hospital origin: AS22451 mnt-by: MAINT-AS22299 changed: gcr [at] gcrcompany.com 20170316 #15:22:24Z source: RADB last-modified: 2023-11-13T15:50:55Z rpki-ov-state: valid route: 65.254.186.0/24 descr: Originated by Sentara Halifax Regional Hospital origin: AS22451 mnt-by: MAINT-AS22299 changed: gcr [at] gcrcompany.com 20170316 #15:23:30Z source: RADB last-modified: 2023-11-13T15:50:55Z rpki-ov-state: valid