These entries are queried from radb.net using whois, you can try my project getting these.
:AS56444 route: 185.156.116.0/22 descr: SilverLining - Cloud Internet Access origin: AS56444 mnt-by: SilverLiningConvergence-MNT created: 2016-06-29T04:09:49Z last-modified: 2020-04-09T14:50:34Z 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: 185.156.136.0/22 descr: TheCloud - UK Hosted Cloud Platform origin: AS56444 mnt-by: ATMOSO-MNT created: 2016-06-29T04:08:55Z last-modified: 2020-04-09T14:48:32Z 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: 2a07:9f00::/29 descr: TheCloud - UK Hosted Cloud Platform origin: AS56444 mnt-by: ATMOSO-MNT created: 2019-12-09T00:48:26Z last-modified: 2020-04-09T14:43:35Z 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