These entries are queried from radb.net using whois, you can try my project getting these.
:AS40497 route: 140.88.0.0/16 origin: AS40497 descr: Bethel University 3900 Bethel Drive St. Paul MN 55112 United States admin-c: NETWO1680-ARIN tech-c: NETWO1680-ARIN mnt-by: MNT-BETHEL-Z created: 2021-06-25T16:14:02Z last-modified: 2021-06-25T16:14:02Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.88.0.0/16 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS40497 remarks: Proxy add for EDIA customer Bethel University mnt-by: MAINT-AS7922 changed: ryan_mcclean [at] comcast.com 20181029 source: RADB last-modified: 2023-11-13T15:55:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source