These entries are queried from radb.net using whois, you can try my project getting these.
:AS9712 route: 43.242.112.0/22 origin: AS9712 descr: AS9712 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190102 #04:36:55Z source: RADB last-modified: 2023-11-13T15:55:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.38.24.0/22 origin: AS9712 descr: AS9712 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190102 #04:36:55Z source: RADB last-modified: 2023-11-13T15:55:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.38.27.0/24 descr: KPIN-AS-KR origin: AS9712 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: 119.42.160.0/19 descr: INet Technologies Co. origin: AS9712 mnt-by: MAINT-AS4766 changed: chss93 [at] kornet.net 20080314 #04:55:11(UTC) 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: 119.42.160.0/20 descr: proxy for HANARO TELECOM route origin: AS9712 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20091211 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 119.42.176.0/20 descr: proxy for HANARO TELECOM route origin: AS9712 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20091211 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 119.42.190.0/24 descr: proxy for HANARO TELECOM route origin: AS9712 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110308 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 119.42.191.0/24 descr: KPIN-AS-KR origin: AS9712 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: 121.78.142.0/23 descr: INet Technologies Co., Ltd. origin: AS9712 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100323 #11:32:37Z 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: 202.136.112.0/20 descr: INet Technologies Co., Ltd. origin: AS9712 mnt-by: MAINT-AS4766 changed: hongji [at] kornet.net 20050425 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: 202.136.112.0/20 descr: proxy for HANARO TELECOM route origin: AS9712 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: 202.136.112.0/23 descr: KPIN-AS-KR origin: AS9712 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: 202.136.122.0/24 descr: proxy for HANARO TELECOM route origin: AS9712 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: 202.136.127.0/24 descr: proxy for HANARO TELECOM route origin: AS9712 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110822 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.167.208.0/20 descr: Inet origin: AS9712 mnt-by: MAINT-AS4766 changed: nockton1 [at] soback.kornet.net 20051005 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: 202.167.208.0/21 descr: proxy for HANARO TELECOM route origin: AS9712 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20100915 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.167.216.0/21 descr: proxy for HANARO TELECOM route origin: AS9712 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20100915 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.167.223.0/24 descr: KPIN-AS-KR origin: AS9712 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: 211.35.64.0/20 descr: INet Technologies Co origin: AS9712 mnt-by: MAINT-AS4766 changed: chss93 [at] kornet.net 20040827 #04:46:57(UTC) 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: 211.35.64.0/20 descr: proxy for HANARO TELECOM route origin: AS9712 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: 211.35.64.0/24 descr: KPIN-AS-KR origin: AS9712 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: 211.35.70.0/23 descr: proxy for HANARO TELECOM route origin: AS9712 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: 211.35.72.0/24 descr: proxy for HANARO TELECOM route origin: AS9712 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: 221.133.48.0/20 descr: I-NET origin: AS9712 mnt-by: MAINT-AS4766 changed: pyol [at] kornet.net 20060804 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: 221.133.48.0/21 descr: proxy for HANARO TELECOM route origin: AS9712 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20100915 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 221.133.56.0/21 descr: proxy for HANARO TELECOM route origin: AS9712 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