These entries are queried from radb.net using whois, you can try my project getting these.
:AS263134 route: 148.220.0.0/16 origin: AS263134 descr: Universidad Autonoma de Queretaro admin-c: VHT tech-c: VHT geoidx: MX geoidx: MX-QUE notify: bajo [at] uaq.mx mnt-by: MAINT-AS28458 changed: ip [at] ientc.com 20210212 #03:56:37Z source: RADB last-modified: 2023-11-13T16:03:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:f0:16::/48 origin: AS263134 descr: AS263134 mnt-by: MAINT-AS32098 changed: mmg [at] transtelco.net 20190722 #23:04:04Z source: RADB last-modified: 2023-11-13T15:56:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source