These entries are queried from radb.net using whois, you can try my project getting these.
:AS266028 route: 170.245.220.0/22 origin: AS266028 descr: This is a BR.Digital customer proxy route object that was created because no existing route object with the same origin was found. Please contact bgp [at] br.digital if you have any questions regarding this object. mnt-by: MAINT-AS14840 changed: glcastro [at] br.digital 20231016 #12:28:47Z source: RADB last-modified: 2023-11-13T16:19:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:3964::/32 origin: AS266028 descr: This is a BR.Digital customer proxy route object that was created because no existing route object with the same origin was found. Please contact bgp [at] br.digital if you have any questions regarding this object. mnt-by: MAINT-AS14840 changed: glcastro [at] br.digital 20231016 #12:30:28Z source: RADB last-modified: 2023-11-13T16:19:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source