These entries are queried from radb.net using whois, you can try my project getting these.
:AS10040 route: 210.220.104.0/24 descr: nice info shincheon origin: AS10040 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20140226 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.33.136.0/25 descr: NICE Information & Telecommunication, Inc origin: AS10040 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