These entries are queried from radb.net using whois, you can try my project getting these.
:AS28298 route: 189.28.16.0/20 descr: Sky Brasil Servicos Ltda. remarks: Proxy registered by Highwinds Network Group remarks: for Sky Brasil Servicos Ltda. (AS28298) origin: AS28298 mnt-by: MNT-HWNG changed: mike.manthe [at] highwinds.com 20110826 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.28.16.0/21 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. origin: AS28298 mnt-by: MAINT-AS14840 changed: gacosta [at] br.digital 20211026 #18:00:02Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source