These entries are queried from radb.net using whois, you can try my project getting these.
:AS55586 route: 1.224.172.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 1.224.173.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 1.224.174.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 1.224.175.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 175.119.39.0/24 origin: AS55586 descr: AS55586 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: 175.119.40.0/24 origin: AS55586 descr: AS55586 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: 203.229.200.0/21 origin: AS55586 descr: CATHOLIC-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: 203.229.200.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.229.201.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.229.202.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.229.203.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.229.204.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.229.205.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.229.206.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.229.207.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.126.48.0/23 origin: AS55586 descr: CATHOLIC-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: 210.126.48.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.126.49.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.222.56.0/22 origin: AS55586 descr: CATHOLIC-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: 211.222.56.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.222.57.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.222.58.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.222.59.0/24 descr: proxy for HANARO TELECOM route origin: AS55586 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.68.29.0/24 descr: catholic univ origin: AS55586 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20120430 #11:20:26Z source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.68.30.0/24 descr: catholic univ origin: AS55586 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20120430 #11:21:11Z source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.68.31.0/24 descr: catholic univ origin: AS55586 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20120430 #11:21:36Z source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source