These entries are queried from radb.net using whois, you can try my project getting these.
:AS51081 route: 91.216.126.0/24 descr: LLC "TETRON" origin: AS51081 mnt-by: TETRON-MNT created: 2010-06-07T12:56:45Z last-modified: 2010-06-07T12:56:45Z 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: 2a03:5a00:43::/48 origin: AS51081 mnt-by: TETRON-MNT created: 2017-06-06T07:34:51Z last-modified: 2017-06-06T07:34:51Z 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