These entries are queried from radb.net using whois, you can try my project getting these.
:AS6280 route: 205.210.246.0/24 descr: Peer1 Route Object origin: AS6280 mnt-by: maint-as13768 changed: jbains [at] peer1.net 20031216 changed: rerickson [at] peer1.com 20071129 source: RADB last-modified: 2023-11-13T15:39:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.221.32.0/19 descr: AS6280 proxy-registered route by Cogent origin: AS6280 remarks: Proxy-registered route object remarks: for Cogent customer notify: neteng [at] cogentco.com mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20041025 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.221.42.0/24 descr: AS6280 proxy-registered route by Cogent origin: AS6280 remarks: Proxy-registered route object remarks: for Cogent customer notify: neteng [at] cogentco.com mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20041025 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.221.43.0/24 descr: AS6280 proxy-registered route by Cogent origin: AS6280 remarks: Proxy-registered route object remarks: for Cogent customer notify: neteng [at] cogentco.com mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20041025 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source