These entries are queried from radb.net using whois, you can try my project getting these.
:AS22718 route: 192.96.73.0/24 descr: Brownsville Public Utilities Board - downstream cust. of Smartcom Telephone, LLC origin: AS22718 mnt-by: MAINT-AS14860 changed: admin [at] sc2000.net 20161023 #13:34:14Z source: RADB last-modified: 2023-11-13T15:49:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source