These entries are queried from radb.net using whois, you can try my project getting these.
:AS35308 route: 63.209.12.0/24 descr: /24 assigned to 8x8 by Level3 origin: AS35308 mnt-by: MNT-8X8 changed: hostmaster [at] 8x8.com 20041118 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.210.198.160/27 descr: 63.210.198.160/27 assigned to 8x8 by Level3 origin: AS35308 mnt-by: MNT-8X8 changed: hostmaster [at] 8x8.com 20041118 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.84.16.0/22 descr: 8x8 /22 portable origin: AS35308 mnt-by: MNT-8X8 changed: hostmaster [at] 8x8.com 20041118 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 193.151.167.0/24 origin: AS35308 mnt-by: LAMIS-MNT created: 2018-10-24T13:27:08Z last-modified: 2018-10-24T13:27:08Z source: RIPE 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: valid