These entries are queried from radb.net using whois, you can try my project getting these.
:AS23594 route: 1.255.3.0/24 origin: AS23594 descr: YKKNET-AS-KR mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20200608 #01:15:26Z source: RADB last-modified: 2023-11-13T16:00:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.150.204.0/24 origin: AS23594 descr: YKKNET mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20200510 #01:36:45Z source: RADB last-modified: 2023-11-13T16:00:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.150.205.0/24 origin: AS23594 descr: YKKNET mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20200510 #01:37:38Z source: RADB last-modified: 2023-11-13T16:00:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.92.34.0/24 origin: AS23594 descr: AS 23594 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20200602 #04:23:35Z source: RADB last-modified: 2023-11-13T16:00:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source