These entries are queried from radb.net using whois, you can try my project getting these.
:AS15068 route: 66.242.184.0/21 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS15068 notify: rprudhomme [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150717 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.242.184.0/21 descr: JDV-ROUTE origin: AS15068 mnt-by: MNT-CW-JAMAICA created: 2010-05-03T20:24:21Z last-modified: 2018-09-04T16:16:32Z 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