These entries are queried from radb.net using whois, you can try my project getting these.
:AS137878 route6: 2402:f6c0::/32 descr: MYA INYA CONSTRUCTION COMPANY LIMITED origin: AS137878 mnt-by: MAINT-AS38082 changed: netadmin [at] trueintergateway.com 20180708 #11:23:01Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source