These entries are queried from radb.net using whois, you can try my project getting these.
:AS22810 route: 198.151.187.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS22810 remarks: Proxy add for EDIA customer Brooks Automation mnt-by: MAINT-AS7922 changed: adam_berg [at] cable.comcast.com 20140826 source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source