These entries are queried from radb.net using whois, you can try my project getting these.
:AS396337 route: 12.202.46.0/24 origin: AS396337 descr: Proxy route entry for customer Dreisbach Enterprises AS396337 mnt-by: MAINT-AS40393 changed: csmith [at] crosslinknetworks.com 20201014 #17:29:33Z source: RADB last-modified: 2023-11-13T16:02:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.226.145.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054 origin: AS396337 mnt-by: MAINT-AS7922 changed: noc [at] comcast.com 20171011 source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: valid