These entries are queried from radb.net using whois, you can try my project getting these.
:AS30227 route: 206.35.36.0/24 descr: AS30227 proxy-registered route by Cogent origin: AS30227 remarks: Proxy-registered route object remarks: for Cogent customer notify: neteng [at] cogentco.com mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20031230 source: RADB last-modified: 2023-11-13T15:39:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source