These entries are queried from radb.net using whois, you can try my project getting these.
:AS43997 route: 193.35.148.0/24 origin: AS43997 mnt-by: nl-powerdnscom-1-mnt created: 2018-05-18T19:40:36Z last-modified: 2018-05-18T19:40:36Z 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 route: 193.35.149.0/24 origin: AS43997 mnt-by: nl-powerdnscom-1-mnt created: 2018-05-18T19:41:19Z last-modified: 2018-05-18T19:41:19Z 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 route: 193.35.150.0/23 origin: AS43997 mnt-by: nl-powerdnscom-1-mnt created: 2018-05-18T19:41:40Z last-modified: 2018-05-18T19:41:40Z 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: 2a0c:7fc0::/29 origin: AS43997 mnt-by: nl-powerdnscom-1-mnt created: 2018-04-25T15:05:31Z last-modified: 2018-04-25T15:05:31Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a0c:7fc0::/40 descr: Vultr Customer Route origin: AS43997 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20240219 #11:52:38-18000 source: RADB last-modified: 2024-02-19T16:54:29Z rpki-ov-state: valid