These entries are queried from radb.net using whois, you can try my project getting these.
:AS22969 route: 66.213.136.0/21 descr: AFS-Netblock origin: AS22969 mnt-by: AFS-MNT changed: noc [at] afsnetworks.com 20090819 source: LEVEL3 rpki-ov-state: valid route: 67.213.168.0/22 descr: AFS-Netblock origin: AS22969 mnt-by: AFS-MNT changed: cminkley [at] americanfibersystems.com 20081006 source: LEVEL3 rpki-ov-state: valid route: 72.162.48.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ?? 08054 origin: AS22969 remarks: Proxy add for EDIA customer Chattahoochee Technical College mnt-by: MAINT-AS7922 changed: david_shreve [at] cable.comcast.com 20131112 #14:43:02Z 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: 72.162.49.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ?? 08054 origin: AS22969 remarks: Proxy add for EDIA customer Chattahoochee Technical College mnt-by: MAINT-AS7922 changed: david_shreve [at] cable.comcast.com 20131112 #14:44:43Z source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source