These entries are queried from radb.net using whois, you can try my project getting these.
:AS47656 route: 91.206.148.0/23 descr: Ast-Systems Ltd. origin: AS47656 mnt-by: MNT-AST-SYSTEMS created: 2008-08-26T09:41:09Z last-modified: 2008-08-26T09:41:09Z 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: 91.206.148.0/24 origin: AS47656 mnt-by: MNT-AST-SYSTEMS created: 2017-03-22T12:40:26Z last-modified: 2017-03-22T12:40:26Z 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: 91.206.149.0/24 origin: AS47656 mnt-by: MNT-AST-SYSTEMS created: 2017-03-22T12:42:23Z last-modified: 2017-03-22T12:42:23Z 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: 195.54.40.0/23 descr: Ast-Systems Ltd. origin: AS47656 mnt-by: MNT-AST-SYSTEMS created: 2010-11-29T13:44:15Z last-modified: 2010-11-29T13:44:15Z 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: 195.54.40.0/24 origin: AS47656 mnt-by: MNT-AST-SYSTEMS created: 2017-03-22T12:42:48Z last-modified: 2017-03-22T12:42:48Z 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: 195.54.41.0/24 origin: AS47656 mnt-by: MNT-AST-SYSTEMS created: 2017-03-22T12:43:14Z last-modified: 2017-03-22T12:43:14Z 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