These entries are queried from radb.net using whois, you can try my project getting these.
:AS270908 route: 131.72.120.0/22 descr: LEONARDO LIMA EZEQUIEL ME origin: AS270908 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS270908 changed: db-admin [at] bgp.net.br 20200720 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.72.120.0/22 origin: AS270908 descr: Proxy Route Object AS270908 mnt-by: MAINT-AS264997 changed: flavio [at] directtelecom.com.br 20210513 #04:39:13Z source: RADB last-modified: 2023-11-13T16:17:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7354::/32 origin: AS270908 descr: Proxy Route Object AS270908 mnt-by: MAINT-AS264997 changed: flavio [at] directtelecom.com.br 20210513 #04:44:54Z source: RADB last-modified: 2023-11-13T16:17:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source