These entries are queried from radb.net using whois, you can try my project getting these.
:AS45969 route: 61.108.116.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.108.170.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.108.175.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 112.77.242.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.110.49.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.110.55.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.110.56.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.110.60.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 118.129.58.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 124.0.128.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 124.2.40.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 125.251.121.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 125.251.140.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 125.251.141.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 125.251.170.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 125.251.171.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 125.251.172.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 125.251.217.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.80.2.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.80.58.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.80.227.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.80.248.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.105.73.0/24 origin: AS45969 descr: INIVAN-AS-KR mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20200612 #01:32:39Z source: RADB last-modified: 2023-11-13T16:00:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.176.252.0/24 descr: KumSan Edu origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110228 #06:44:51Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.233.98.0/24 descr: KumSan Edu origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110228 #06:46:07Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.65.167.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.65.196.0/24 descr: Geumsan Office of Education origin: AS45969 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110126 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source