These entries are queried from radb.net using whois, you can try my project getting these.
:AS11820 route: 198.73.209.0/24 descr: Wikimedia Foundation, Inc. descr: Corporate Headquarters - Office Network descr: 149 New Montgomery Street - 6th Floor descr: San Francisco, CA 94105 descr: US origin: AS11820 mnt-by: MNT-WF-44 changed: officeit-bgp [at] wikimedia.org 20140426 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:62:c000::/48 descr: Wikimedia Foundation, Inc. descr: Corporate Headquarters - Office Network descr: 149 New Montgomery Street - 6th Floor descr: San Francisco, CA 94105 descr: US origin: AS11820 mnt-by: MNT-WF-44 changed: officeit-bgp [at] wikimedia.org 20140422 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source