These entries are queried from radb.net using whois, you can try my project getting these.
:AS32344 route: 66.158.46.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS32344 remarks: Proxy for EDI customer Community High School Dist 99 mnt-by: MAINT-AS7922 changed: courtney_smith [at] nospamhere.cable.comcast.com 20121218 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: 66.158.48.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS32344 remarks: Proxy add for EDIA customer DG Community High School 99 mnt-by: MAINT-AS7922 changed: ryan_mcclean [at] comcast.com 20190814 source: RADB last-modified: 2023-11-13T15:57:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source