These entries are queried from radb.net using whois, you can try my project getting these.
:AS3943 route: 153.16.0.0/16 descr: Partan Lab 3 tech-c: AP25 origin: AS3943 remarks: this is non-portable space, no exceptions notify: asp+vdb [at] partan.com mnt-by: MAINT-PARTAN changed: asp [at] partan.com 20080825 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:a800:1::/48 descr: NTT Communications - LISP PxTR route for the State of Arizona origin: AS3943 remarks: this is non-portable space, no exceptions remarks: contacts per RFC2142: remarks: Abuse / UCE reports abuse [at] ntt.net remarks: Security issues security [at] ntt.net mnt-by: MAINT-NTTCOM-BB changed: bradd [at] ntt.net 20111005 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2610:d0::/32 descr: NTT Communications origin: AS3943 remarks: this is non-portable space, no exceptions remarks: contacts per RFC2142: remarks: Abuse / UCE reports abuse [at] ntt.net remarks: Security issues security [at] ntt.net mnt-by: MAINT-NTTCOM-BB changed: bradd [at] ntt.net 20110607 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source