These entries are queried from radb.net using whois, you can try my project getting these.
:AS23282 route: 161.213.0.0/16 descr: County of Santa Barbara origin: AS23282 mnt-by: CTI-MNT changed: ccs_ip-admin [at] cable.comcast.com 20120509 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 161.213.0.0/16 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS23282 remarks: Proxy add for customer County of Santa Barbara mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20161230 source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 161.213.76.0/24 origin: AS23282 descr: RSMT #ECR000001350769 remarks: Proxy object for AS23282 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220520 source: RADB last-modified: 2023-11-13T16:11:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 161.213.140.0/24 origin: AS23282 descr: RSMT #ECR000001350769 remarks: Proxy object for AS23282 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220520 source: RADB last-modified: 2023-11-13T16:11:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source