These entries are queried from radb.net using whois, you can try my project getting these.
:AS62808 route: 209.34.193.0/24 origin: AS62808 descr: McGrath North mnt-by: MAINT-AS15164 changed: jeremy.finn [at] upnfiber.com 20200623 #22:12:03Z source: RADB last-modified: 2023-11-13T16:01:01Z rpki-ov-state: valid