These entries are queried from radb.net using whois, you can try my project getting these.
:AS58301 route: 91.240.110.0/23 descr: Keysystems Ltd network origin: AS58301 mnt-by: MNT-KEYSYSTEMS created: 2012-06-22T09:47:20Z last-modified: 2012-06-22T09:47:20Z 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: 91.240.110.0/24 descr: Keysystems Ltd network origin: AS58301 remarks: mnt-by: MNT-KEYSYSTEMS created: 2023-05-03T13:53:56Z last-modified: 2023-05-03T13:53:56Z 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: 91.240.111.0/24 descr: Keysystems Ltd network origin: AS58301 remarks: mnt-by: MNT-KEYSYSTEMS created: 2023-05-03T13:55:12Z last-modified: 2023-05-03T13:55:12Z 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