These entries are queried from radb.net using whois, you can try my project getting these.
:AS26312 route: 198.91.76.0/22 origin: AS26312 descr: Axia Technology Partners ARIN assigned subnet mnt-by: MAINT-AS26312 changed: todd.richards [at] axiatp.com 20200220 #20:24:16Z source: RADB last-modified: 2023-11-30T16:00:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source