These entries are queried from radb.net using whois, you can try my project getting these.
:AS23798 route: 202.69.112.0/20 descr: VRTC,AS23798 origin: AS23798 notify: sato [at] vrtc.co.jp mnt-by: MAINT-AS23798 changed: sato [at] vrtc.co.jp 20050427 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.69.112.0/20 descr: VRTC origin: AS23798 notify: noc [at] noc.kddnet.ad.jp mnt-by: MAINT-AS2516 changed: noc [at] noc.kddnet.ad.jp 20040816 source: RADB last-modified: 2023-11-13T15:39:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source