These entries are queried from radb.net using whois, you can try my project getting these.
:AS272123 route: 38.252.238.0/24 origin: AS272123 descr: Route Registered for Cogent Communications Customer - WORLD CABLE RED, S.R.L. geoidx: DO mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230810 #13:04:28Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source