These entries are queried from radb.net using whois, you can try my project getting these.
:AS37915 route: 202.13.180.0/23 descr: wakayama pref origin: AS37915 notify: tada [at] pref.wakayama.lg.jp mnt-by: MAINT-AS37915 changed: tada [at] pref.wakayama.lg.jp 20100527 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.13.224.0/21 descr: wakayama pref origin: AS37915 notify: tada [at] pref.wakayama.lg.jp mnt-by: MAINT-AS37915 changed: tada [at] pref.wakayama.lg.jp 20070613 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.17.96.0/23 descr: wakayama pref origin: AS37915 notify: tada [at] pref.wakayama.lg.jp mnt-by: MAINT-AS37915 changed: tada [at] pref.wakayama.lg.jp 20070613 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source