These entries are queried from radb.net using whois, you can try my project getting these.
:AS26910 route: 64.79.152.0/23 descr: LLNW customer route origin: AS26910 mnt-by: MAINT-LLNW changed: mjohnson [at] llnw.com 20110517 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.79.152.0/23 descr: Postini, Inc. origin: AS26910 mnt-by: MNT-GOOG-PROD created: 2015-10-15T18:31:14Z last-modified: 2018-09-04T18:16:06Z 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