These entries are queried from radb.net using whois, you can try my project getting these.
:AS46624 route: 216.158.0.0/24 descr: Beebe Medical Center origin: AS46624 mnt-by: CTI-MNT changed: ccs_ip-admin [at] cable.comcast.com 20081106 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.158.0.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS46624 remarks: Proxy add for EDIA customer Beebe_M mnt-by: MAINT-AS7922 changed: rodney_finley [at] cable.comcast.com 20200923 source: RADB last-modified: 2023-11-13T16:01:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source