These entries are queried from radb.net using whois, you can try my project getting these.
:AS18169 route: 211.219.178.0/24 descr: KOREA CULTURE & CONTENT AGENCY origin: AS18169 mnt-by: MAINT-AS4766 changed: modori [at] kt.co.kr 20030904 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.219.179.0/24 descr: KOREA CULTURE & CONTENT AGENCY origin: AS18169 mnt-by: MAINT-AS4766 changed: modori [at] kt.co.kr 20030904 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source