These entries are queried from radb.net using whois, you can try my project getting these.
:AS131827 route: 211.193.255.0/24 descr: JejuBank origin: AS131827 mnt-by: MAINT-AS3786 changed: infonoc [at] lguplus.co.kr 20220415 source: RADB last-modified: 2023-11-13T16:10:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source