These entries are queried from radb.net using whois, you can try my project getting these.
:AS9856 route: 121.65.247.0/24 descr: WooRi Stock origin: AS9856 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100330 #07:35:29Z 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: 121.131.217.0/24 descr: WOORI Investment @ Securities origin: AS9856 mnt-by: MAINT-AS4766 changed: chss93 [at] kornet.net 20070112 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 183.98.225.0/24 origin: AS9856 descr: WOORIWM-AS-KR mnt-by: MAINT-AS9318 changed: ipnoc [at] skbroadband.com 20220426 #06:04:30Z source: RADB last-modified: 2023-11-13T16:10:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.98.190.0/24 descr: WOORI Investment @ Securities origin: AS9856 mnt-by: MAINT-AS4766 changed: chss93 [at] kornet.net 20070112 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.108.136.0/24 descr: WooRi Stock origin: AS9856 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100330 #07:41:12Z 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: 210.117.72.0/24 descr: WOORI Investment @ Securities origin: AS9856 mnt-by: MAINT-AS4766 changed: chss93 [at] kornet.net 20070112 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.124.9.0/24 descr: Proxy-Registered Route Object by LG Dacom(AS3786) origin: AS9856 remarks: This route object is for a LG Dacom's customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was automatically created to prevent remarks: some LG Dacom peer from rejecting this route because remarks: they may create their filter based on Route Registry DB. notify: noc [at] bora.net mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20070319 source: RADB last-modified: 2023-11-13T16:09:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.182.213.0/24 descr: contact noc [at] bora.net if necessary origin: AS9856 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20031021 source: RADB last-modified: 2023-11-13T16:09:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.205.129.0/24 descr: WOORI Investment @ Securities origin: AS9856 mnt-by: MAINT-AS4766 changed: chss93 [at] kornet.net 20070112 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.60.232.0/24 descr: WOORI Investment @ Securities origin: AS9856 mnt-by: MAINT-AS4766 changed: chss93 [at] kornet.net 20070112 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 221.146.193.0/24 descr: WOORI Investment @ Securities origin: AS9856 mnt-by: MAINT-AS4766 changed: chss93 [at] kornet.net 20070112 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source