These entries are queried from radb.net using whois, you can try my project getting these.
:AS209537 route: 45.67.18.0/24 origin: AS209537 descr: cid-1722 mnt-by: MAINT-AS262287 changed: networkops [at] maxihost.com.br 20200313 #18:37:33Z source: RADB last-modified: 2023-11-13T16:00:10Z rpki-ov-state: valid route: 45.67.18.0/24 origin: AS209537 mnt-by: VYI-MNT created: 2019-02-15T18:23:08Z last-modified: 2019-02-15T18:23:08Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route6: 2a06:82c5::/48 origin: AS209537 mnt-by: VYI-MNT mnt-by: ALEXVYI-MNT created: 2019-01-22T12:04:11Z last-modified: 2019-01-22T12:04:11Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route6: 2a06:82c5::/48 origin: AS209537 descr: Prager Connect GmbH mnt-by: MAINT-AS33480 changed: nikhil [at] webwerks.com 20190204 #08:49:44Z source: RADB last-modified: 2023-11-13T16:18:48Z rpki-ov-state: valid