These entries are queried from radb.net using whois, you can try my project getting these.
:AS14763 route: 140.225.0.0/16 origin: AS14763 descr: 2004 Randolph Ave. St. Paul MN 55105 United States admin-c: NOC1809-ARIN tech-c: NOC1809-ARIN mnt-by: MNT-CSC-20-Z created: 2021-07-06T14:25:06Z last-modified: 2021-07-06T14:25:06Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.225.0.0/16 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS14763 remarks: Proxy add for EDIA customer St. Catherine University mnt-by: MAINT-AS7922 changed: orin_flaharty [at] cable.comcast.com 20170928 source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:10e:e000::/44 origin: AS14763 descr: 2004 Randolph Ave. St. Paul MN 55105 United States admin-c: NOC1809-ARIN tech-c: NOC1809-ARIN mnt-by: MNT-CSC-20 created: 2021-06-17T17:08:34Z last-modified: 2021-06-17T17:08:34Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source