These entries are queried from radb.net using whois, you can try my project getting these.
:AS9321 route: 121.130.148.0/24 descr: Hanyang University origin: AS9321 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: 166.104.0.0/16 descr: proxy for HANARO TELECOM route origin: AS9321 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20080504 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.0.0/16 descr: HanYang University origin: AS9321 mnt-by: MAINT-AS4766 changed: chss93 [at] kornet.net 20040818 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: 166.104.0.0/17 descr: HanYang University origin: AS9321 mnt-by: MAINT-AS4766 changed: kscho [at] streamwk.kix.net 20010530 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: 166.104.0.0/19 descr: AS 9321 origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170726 #07:44:00Z source: RADB last-modified: 2023-11-13T15:51:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.0.0/19 descr: proxy for HANARO TELECOM route origin: AS9321 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20100309 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.0.0/20 descr: HYUNET-AS origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.16.0/20 descr: HYUNET-AS origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.32.0/19 descr: AS 9321 origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170726 #07:44:29Z source: RADB last-modified: 2023-11-13T15:51:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.32.0/19 descr: proxy for HANARO TELECOM route origin: AS9321 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20100309 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.32.0/20 descr: HYUNET-AS origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.48.0/20 descr: HYUNET-AS origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.64.0/19 descr: AS 9321 origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170726 #07:45:00Z source: RADB last-modified: 2023-11-13T15:51:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.64.0/19 descr: proxy for HANARO TELECOM route origin: AS9321 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20100309 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.64.0/20 descr: HYUNET-AS origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.80.0/20 descr: HYUNET-AS origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.96.0/19 descr: AS 9321 origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170726 #07:45:30Z source: RADB last-modified: 2023-11-13T15:51:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.96.0/19 descr: proxy for HANARO TELECOM route origin: AS9321 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20100309 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.96.0/20 descr: HYUNET-AS origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.112.0/20 descr: HYUNET-AS origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.128.0/19 descr: proxy for HANARO TELECOM route origin: AS9321 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20080504 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.128.0/19 descr: HanYang University origin: AS9321 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030908 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: 166.104.128.0/20 descr: HYUNET-AS origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.144.0/20 descr: HYUNET-AS origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.160.0/20 descr: HanYang University origin: AS9321 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030908 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: 166.104.160.0/20 descr: proxy for HANARO TELECOM route origin: AS9321 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20080504 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.176.0/20 descr: AS 9321 origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170726 #07:46:51Z source: RADB last-modified: 2023-11-13T15:51:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.176.0/21 descr: proxy for HANARO TELECOM route origin: AS9321 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20080504 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.176.0/21 descr: HanYang University origin: AS9321 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030908 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: 166.104.184.0/21 descr: HanYang University origin: AS9321 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030908 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: 166.104.192.0/18 descr: HanYang University origin: AS9321 mnt-by: MAINT-AS4766 changed: kscho [at] streamwk.kix.net 20010118 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: 166.104.192.0/20 descr: HYUNET-AS origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.208.0/20 descr: HYUNET-AS origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.210.0/24 descr: AS9321 origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20131120 #07:39:04Z source: RADB last-modified: 2023-11-13T15:45:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.211.0/24 descr: AS9321 origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20131120 #07:39:23Z source: RADB last-modified: 2023-11-13T15:45:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.224.0/20 descr: HYUNET-AS origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 166.104.240.0/20 descr: HYUNET-AS origin: AS9321 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.92.72.0/24 descr: HanYang University origin: AS9321 mnt-by: MAINT-AS4766 changed: jacob [at] kornet.net 20030903 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: 210.96.170.0/24 descr: Hanyang University origin: AS9321 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 route6: 2001:2b8:47:1200::/64 descr: KINX-6KANET origin: AS9321 mnt-by: MAINT-AS9957 changed: noc [at] kinx.net 20140709 #06:35:40Z source: RADB last-modified: 2023-11-13T15:46:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:2b8:47:8999::/64 descr: KINX-6KANET origin: AS9321 mnt-by: MAINT-AS9957 changed: noc [at] kinx.net 20140709 #06:46:22Z source: RADB last-modified: 2023-11-13T15:46:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:2b8:47:fffa::/64 descr: KINX-6KANET origin: AS9321 mnt-by: MAINT-AS9957 changed: noc [at] kinx.net 20140709 #06:46:22Z source: RADB last-modified: 2023-11-13T15:46:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:2b8:47:fffb::/64 descr: KINX-6KANET origin: AS9321 mnt-by: MAINT-AS9957 changed: noc [at] kinx.net 20140709 #06:46:22Z source: RADB last-modified: 2023-11-13T15:46:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source