These entries are queried from radb.net using whois, you can try my project getting these.
:AS13712 route: 140.190.0.0/16 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS13712 remarks: Proxy object EDIA customer St Mary's Univ mnt-by: MAINT-AS7922 changed: courtney_smith [at] nospamhere.cable.comcast.com 20120524 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: 140.190.192.0/18 descr: St Mary's origin: AS13712 mnt-by: CTI-MNT changed: ccs_ip-admin [at] cable.comcast.com 20080314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source