These entries are queried from radb.net using whois, you can try my project getting these.
:AS327714 route: 154.66.224.0/22 descr: Zanzibar Connections Company Limited origin: AS327714 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: **************************** mnt-by: ZConnect-MNT changed: *** [at] comnet.co.tz 20161216 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.66.224.0/22 descr: Zanzibar Connections Company Limited origin: AS327714 mnt-by: ZConnect-MNT created: 2014-04-16T14:21:46Z last-modified: 2018-09-04T17:53:35Z 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