These entries are queried from radb.net using whois, you can try my project getting these.
:AS394057 route: 192.149.88.0/24 origin: AS394057 descr: Proxy registration mnt-by: MAINT-AS30600 changed: miles.mccredie [at] metronetinc.com 20190819 #21:48:23Z source: RADB last-modified: 2023-11-13T15:57:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source