These entries are queried from radb.net using whois, you can try my project getting these.
:AS9998 route: 61.121.128.0/18 descr: AS advertised by Customer of NTT/VERIO Tokyo descr: Temporary or proxy registration origin: AS9998 notify: tech [at] ntt.net mnt-by: MAINT-NTTCOM-BB changed: kpack [at] gin.ntt.net 20041116 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.132.192.0/18 descr: AS advertised by Customer of NTT/VERIO Tokyo descr: Temporary or proxy registration origin: AS9998 notify: tech [at] ntt.net mnt-by: MAINT-NTTCOM-BB changed: kpack [at] gin.ntt.net 20041116 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.42.128.0/20 descr: Temporary Obj for ISAO origin: AS9998 notify: tech [at] ntt.net mnt-by: MAINT-NTTCOM-BB changed: kpack [at] gin.ntt.net 20050908 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source