These entries are queried from radb.net using whois, you can try my project getting these.
:AS266730 route: 38.51.60.0/23 origin: AS266730 descr: Route Registered for Cogent Communications Customer - Central Solutions Technology S.R.L. geoidx: DO mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230510 source: RADB last-modified: 2023-11-13T16:17:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source