These entries are queried from radb.net using whois, you can try my project getting these.
:AS269513 route: 45.187.252.0/22 descr: aladusnet informatica e telecomunica\xe7ao ltda - me origin: AS269513 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS269513 changed: db-admin [at] bgp.net.br 20210217 source: TC last-modified: 2021-05-04T02:55:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.187.252.0/22 origin: AS269513 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: gacosta [at] br.digital 20211227 #16:43:56Z source: RADB last-modified: 2023-11-13T16:09:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.187.254.0/23 descr: ALADUSNET origin: AS269513 mnt-by: MAINT-AS269513 changed: mpmbrbr [at] hotmail.com 20210406 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:65c4::/32 origin: AS269513 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: gacosta [at] br.digital 20211227 #16:45:03Z source: RADB last-modified: 2023-11-13T16:09:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source