These entries are queried from radb.net using whois, you can try my project getting these.
:AS56603 route: 192.145.96.0/24 descr: TENTORIUM-WELNES LLC origin: AS56603 mnt-by: Tentorium-Welnes created: 2018-12-10T15:26:09Z last-modified: 2018-12-12T08:51:03Z 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: 195.128.133.0/24 origin: AS56603 mnt-by: IPMAGNAT-MNT created: 2024-04-09T06:46:50Z last-modified: 2024-04-09T06:46:50Z 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: 2a09:6280::/48 descr: Tentorium origin: AS56603 mnt-by: Tentorium-Welnes created: 2018-12-11T17:22:40Z last-modified: 2018-12-11T17:22:40Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a09:6280:1::/48 origin: AS56603 mnt-by: Tentorium-Welnes created: 2019-01-15T10:25:54Z last-modified: 2019-03-13T05:56:07Z 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