These entries are queried from radb.net using whois, you can try my project getting these.
:AS394802 route: 170.163.40.0/24 descr: Bristol Hospital Inc origin: AS394802 mnt-by: MAINT-AS27506 changed: aday [at] lightower.com 20170404 source: RADB last-modified: 2023-11-13T15:50:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.163.41.0/24 descr: Bristol Hospital Inc origin: AS394802 mnt-by: MAINT-AS27506 changed: aday [at] lightower.com 20170404 source: RADB last-modified: 2023-11-13T15:50:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.163.42.0/24 descr: Bristol Hospital Inc origin: AS394802 mnt-by: MAINT-AS27506 changed: aday [at] lightower.com 20170404 source: RADB last-modified: 2023-11-13T15:50:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.163.43.0/24 descr: Bristol Hospital Inc origin: AS394802 mnt-by: MAINT-AS27506 changed: aday [at] lightower.com 20170404 source: RADB last-modified: 2023-11-13T15:50:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source