These entries are queried from radb.net using whois, you can try my project getting these.
:AS394662 route: 50.233.160.0/24 descr: Proxy object for Unified Fire Authority origin: AS394662 mnt-by: MAINT-AS15305 changed: bgpadmin [at] syringanetworks.net 20161007 #19:35:44Z source: RADB last-modified: 2023-11-13T15:49:54Z rpki-ov-state: valid route6: 2620:e9:4000::/48 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS394662 remarks: Proxy add for EDIA customer Unified Fire Authority mnt-by: MAINT-AS7922 changed: scott_mccormick2 [at] cable.comcast.com 20160201 source: RADB last-modified: 2023-11-13T15:54:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source