These entries are queried from radb.net using whois, you can try my project getting these.
:AS54190 route: 192.31.56.0/22 descr: Proxy Register Route Object Leads Media, Inc origin: AS54190 mnt-by: MAINT-AS29802 changed: dan [at] hivelocity.net 20140714 #03:57:25Z source: RADB last-modified: 2023-11-13T15:46:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:ffb2::/36 descr: Client IPv6 Space origin: AS54190 mnt-by: MAINT-AS29802 changed: dan [at] hivelocity.net 20140711 #14:55:43Z source: RADB last-modified: 2023-11-13T15:46:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source