These entries are queried from radb.net using whois, you can try my project getting these.
:AS399846 route: 74.81.173.0/24 origin: AS399846 descr: County of Goochland mnt-by: MAINT-AS14713 changed: esw [at] evanweiner.com 20220711 #18:05:32Z source: RADB last-modified: 2023-11-13T16:17:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source