These entries are queried from radb.net using whois, you can try my project getting these.
:AS61731 route: 131.72.160.0/22 origin: AS61731 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: marcelomarques [at] newlinkrio.com.br mnt-by: MAINT-AS61731 source: TC last-modified: 2021-07-28T13:59:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.72.160.0/22 descr: SPACE NETWORK origin: AS61731 mnt-by: MAINT-SPACENETWORK changed: nilsonsnake [at] gmail.com 20180723 source: NTTCOM last-modified: 2021-09-23T23:10:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.72.160.0/22 descr: NEW LINK origin: AS61731 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20170627 #20:44:30Z source: RADB last-modified: 2023-11-13T15:51:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1b7c::/32 origin: AS61731 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: marcelomarques [at] newlinkrio.com.br mnt-by: MAINT-AS61731 source: TC last-modified: 2021-07-28T13:59:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1b7c::/32 descr: SPACE NETWORK origin: AS61731 mnt-by: MAINT-SPACENETWORK changed: nilsonsnake [at] gmail.com 20180723 source: NTTCOM last-modified: 2021-09-23T23:10:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source