These entries are queried from radb.net using whois, you can try my project getting these.
:AS9852 route: 210.108.80.0/22 descr: PSInet Customer origin: AS9852 mnt-by: MAINT-AS4766 changed: h2glee [at] streamwk.kix.net 20011228 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: 210.108.81.0/24 descr: contact swhong [at] samil.co.kr if necessary origin: AS9852 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20011223 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: 210.108.82.0/23 descr: contact swhong [at] samil.co.kr if necessary origin: AS9852 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20011223 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: 210.108.84.0/24 descr: contact swhong [at] samil.co.kr if necessary origin: AS9852 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20011223 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: 210.120.7.0/24 descr: contact swhong [at] samil.co.kr if necessary origin: AS9852 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20011223 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: 210.120.73.0/24 descr: contact swhong [at] samil.co.kr if necessary origin: AS9852 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20011223 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: 211.51.39.0/24 descr: contact swhong [at] samil.co.kr if necessary origin: AS9852 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20011223 source: RADB last-modified: 2023-11-13T16:09:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source