These entries are queried from radb.net using whois, you can try my project getting these.
:AS9706 route: 210.180.128.0/18 descr: Busan Metropolitan City Office of Education origin: AS9706 mnt-by: MAINT-AS4766 changed: chinny7904 [at] kornet.net 20060612 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: 210.180.192.0/19 descr: Pusan Metropolitan City Office of Eduacation origin: AS9706 mnt-by: MAINT-AS4766 changed: choi [at] streamwk.kix.net 20010222 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: 211.43.29.0/24 descr: Pusan Metropolitan City Office of Eduacation origin: AS9706 mnt-by: MAINT-AS4766 changed: choi [at] streamwk.kix.net 20010211 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: 211.43.30.0/23 descr: Pusan Metropolitan City Office of Eduacation origin: AS9706 mnt-by: MAINT-AS4766 changed: jacob [at] kornet.net 20031020 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: 211.43.32.0/19 descr: Pusan Metropolitan City Office of Eduacation origin: AS9706 mnt-by: MAINT-AS4766 changed: choi [at] streamwk.kix.net 20010211 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: 211.43.64.0/21 descr: Pusan Metropolitan City Office of Eduacation origin: AS9706 mnt-by: MAINT-AS4766 changed: choi [at] streamwk.kix.net 20010211 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: 211.43.72.0/22 descr: Pusan Metropolitan City Office of Eduacation origin: AS9706 mnt-by: MAINT-AS4766 changed: choi [at] streamwk.kix.net 20010211 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: 211.182.0.0/16 descr: Pusan Metropolitan City Office of Eduacation origin: AS9706 mnt-by: MAINT-AS4766 changed: choi [at] streamwk.kix.net 20010211 source: RADB last-modified: 2023-11-13T16:15:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source