These entries are queried from radb.net using whois, you can try my project getting these.
:AS131842 route: 110.8.253.0/24 origin: AS131842 descr: YSP-AS-KR mnt-by: MAINT-AS9318 changed: ipnoc [at] skbroadband.com 20231107 #00:50:39Z source: RADB last-modified: 2023-11-13T16:19:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 221.149.240.0/22 origin: AS131842 descr: YSP-AS-KR mnt-by: MAINT-AS9318 changed: ipnoc [at] skbroadband.com 20231107 #00:53:33Z source: RADB last-modified: 2023-11-13T16:19:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source