These entries are queried from radb.net using whois, you can try my project getting these.
:AS199954 route: 149.154.176.0/21 descr: Techwareca Ltd. origin: AS199954 mnt-by: lir-uk-techwareca-1-MNT created: 2023-06-12T10:33:47Z last-modified: 2023-06-12T10:33:47Z 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 route: 149.154.176.0/23 descr: Techwareca Ltd. origin: AS199954 mnt-by: MEREZHA-MNT created: 2023-02-14T09:23:31Z last-modified: 2023-02-14T09:23:31Z 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: 2a13:a300::/29 descr: Techwareca Ltd. origin: AS199954 pingable: 2a13:a300:1::1 mnt-by: lir-uk-techwareca-1-MNT created: 2023-02-15T16:19:57Z last-modified: 2023-02-15T16:19:57Z 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