These entries are queried from radb.net using whois, you can try my project getting these.
:AS1397 route: 216.105.241.0/24 descr: proxy object for TD Ameritrade origin: AS1397 mnt-by: MAINT-NTTCOM-RA changed: dpontrelli [at] us.ntt.net 20101008 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.105.242.0/24 descr: proxy object for TD Ameritrade origin: AS1397 mnt-by: MAINT-NTTCOM-RA changed: dpontrelli [at] us.ntt.net 20101008 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source