These entries are queried from radb.net using whois, you can try my project getting these.
:AS23668 route: 210.93.24.0/24 origin: AS23668 descr: AS 23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201223 #15:23:23Z source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.93.25.0/24 origin: AS23668 descr: AS 23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201223 #15:25:42Z source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.93.48.0/21 descr: contact noc [at] bora.net if necessary origin: AS23668 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20030613 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: 210.93.48.0/24 origin: AS23668 descr: AS 23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201223 #15:26:41Z source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.93.49.0/24 descr: KOREA POLYTECHNIC UNIVERSITY origin: AS23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170215 #17:00:31Z source: RADB last-modified: 2023-11-13T15:50:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.93.50.0/24 origin: AS23668 descr: AS 23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201223 #15:27:58Z source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.93.51.0/24 descr: KOREA POLYTECHNIC UNIVERSITY origin: AS23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170215 #17:00:31Z source: RADB last-modified: 2023-11-13T15:50:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.93.52.0/24 origin: AS23668 descr: AS 23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201223 #15:28:57Z source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.93.53.0/24 descr: KOREA POLYTECHNIC UNIVERSITY origin: AS23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170215 #17:00:31Z source: RADB last-modified: 2023-11-13T15:50:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.93.54.0/24 origin: AS23668 descr: AS 23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201223 #15:30:06Z source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.93.55.0/24 descr: KOREA POLYTECHNIC UNIVERSITY origin: AS23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170215 #17:00:31Z source: RADB last-modified: 2023-11-13T15:50:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.93.56.0/22 descr: contact noc [at] bora.net if necessary origin: AS23668 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20030613 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: 210.93.56.0/24 origin: AS23668 descr: AS 23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201223 #15:31:16Z source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.93.57.0/24 descr: KOREA POLYTECHNIC UNIVERSITY origin: AS23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170215 #17:00:31Z source: RADB last-modified: 2023-11-13T15:50:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.93.58.0/24 origin: AS23668 descr: AS 23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201223 #15:32:18Z source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.93.59.0/24 descr: KOREA POLYTECHNIC UNIVERSITY origin: AS23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170215 #17:00:31Z source: RADB last-modified: 2023-11-13T15:50:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.93.60.0/23 descr: contact noc [at] bora.net if necessary origin: AS23668 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20030613 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: 210.93.60.0/24 origin: AS23668 descr: AS 23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201223 #15:33:48Z source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.93.61.0/24 descr: KOREA POLYTECHNIC UNIVERSITY origin: AS23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170215 #17:00:31Z source: RADB last-modified: 2023-11-13T15:50:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.149.119.0/24 descr: KOREA POLYTECHNIC UNIVERSITY origin: AS23668 mnt-by: MAINT-AS4766 changed: hongseonoh [at] kornet.net 20070207 #04:06:12(UTC) 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: 220.149.120.0/24 origin: AS23668 descr: AS 23668 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201223 #15:35:36Z source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.149.128.0/24 descr: Korea Politec origin: AS23668 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20130115 #05:54:37Z 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: 220.149.216.0/24 descr: KOREA POLYTECHNIC UNIVERSITY origin: AS23668 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: 220.149.217.0/24 descr: KOREA POLYTECHNIC UNIVERSITY origin: AS23668 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: 220.149.218.0/24 descr: KOREA POLYTECHNIC UNIVERSITY origin: AS23668 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