These entries are queried from radb.net using whois, you can try my project getting these.
:AS44633 route: 91.206.226.0/24 descr: TANHOST-ROUTE origin: AS44633 mnt-by: TANHOST-MNT created: 2012-03-21T04:15:48Z last-modified: 2019-09-23T14:37:51Z 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: 91.206.227.0/24 descr: TANHOST-ROUTE origin: AS44633 mnt-by: TANHOST-MNT created: 2012-03-16T08:12:49Z last-modified: 2019-09-23T14:37:59Z 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: 91.209.165.0/24 origin: AS44633 mnt-by: TANHOST-MNT created: 2020-01-29T10:32:42Z last-modified: 2020-01-29T10:32:42Z 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: 2a02:2818:16::/48 descr: Tangram interconnection origin: AS44633 mnt-by: TANGRAM-MNT created: 2013-12-10T11:07:52Z last-modified: 2013-12-10T11:07:52Z 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