These entries are queried from radb.net using whois, you can try my project getting these.
:AS63336 route: 63.69.66.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS63336 remarks: Proxy for EDI customer Adventist Healthcare mnt-by: MAINT-AS7922 changed: courtney_smith [at] nospamhere.cable.comcast.com 20150327 source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.112.116.0/24 descr: Adventist Healthcare origin: AS63336 mnt-by: MAINT-AS27506 changed: Daniel.McCoon [at] crowncastle.com 20220614 source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source