These entries are queried from radb.net using whois, you can try my project getting these.
:AS209374 route: 5.252.48.0/22 origin: AS209374 mnt-by: mnt-az-cbar-1 created: 2019-03-29T10:57:36Z last-modified: 2019-04-01T08:07:14Z source: RIPE descr: CBAR IP RANGE notify: vugar_ismayilov [at] cbar.az 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