These entries are queried from radb.net using whois, you can try my project getting these.
:AS28697 route6: 2001:bd0::/32 descr: Proxy Object for AS2914 Downstream Peer origin: AS28697 remarks: contact ce-ipadmin [at] us.ntt.net to request removal mnt-by: MAINT-NTTCOM-RA changed: bfoust [at] us.ntt.net 20100614 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source