These entries are queried from radb.net using whois, you can try my project getting these.
:AS38432 route: 58.184.139.0/24 descr: The Office of Waterworks Seoul Metropolitan Go origin: AS38432 mnt-by: MAINT-AS4766 changed: chinny7904 [at] kornet.net 20070626 source: RADB last-modified: 2023-11-13T16:15:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.104.139.0/24 descr: The Office of Waterworks Seoul Metropolitan Go origin: AS38432 mnt-by: MAINT-AS4766 changed: chinny7904 [at] kornet.net 20070626 source: RADB last-modified: 2023-11-13T16:15:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source