These entries are queried from radb.net using whois, you can try my project getting these.
:AS37408 route: 196.43.226.0/24 descr: nwsc advertising origin: AS37408 notify: richard.katalemwa [at] nwsc.co.ug mnt-lower: NWSA-MNT mnt-by: NWSA-MNT created: 2014-08-02T07:13:38Z last-modified: 2018-09-04T17:58:36Z source: RIPE-NONAUTH 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