These entries are queried from radb.net using whois, you can try my project getting these.
:AS39617 route: 194.50.88.0/24 descr: Vultr Customer Route origin: AS39617 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:35:43-18000 source: RADB last-modified: 2023-11-13T16:13:10Z rpki-ov-state: valid route: 194.50.88.0/24 descr: NETWORK-8086-RT-1 origin: AS39617 mnt-by: KEWLIO-MNT mnt-routes: KEWLIO-MNT org: ORG-CBtC1-RIPE created: 2006-04-24T14:22:53Z last-modified: 2006-04-24T14:22:53Z 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: 2001:678:5ec::/48 descr: 8086 Consultancy origin: AS39617 mnt-by: MNT-8086NET created: 2018-02-07T17:26:54Z last-modified: 2018-02-07T17:26:54Z 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: 2001:678:5ec::/48 descr: Vultr Customer Route origin: AS39617 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221210 #00:37:32-18000 source: RADB last-modified: 2023-11-13T16:13:12Z rpki-ov-state: valid