These entries are queried from radb.net using whois, you can try my project getting these.
:AS131826 route: 182.162.5.0/24 origin: AS131826 descr: SejongTelecom.co.ltd mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20220124 #01:34:33Z source: RADB last-modified: 2023-11-13T16:09:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.122.128.0/20 origin: AS131826 descr: SejongTelecom.co.ltd mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20220124 #01:33:33Z source: RADB last-modified: 2023-11-13T16:09:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source