These entries are queried from radb.net using whois, you can try my project getting these.
:AS9778 route: 121.164.116.0/24 descr: DAEJIN UNIVERSITY origin: AS9778 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100121 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: 203.237.64.0/19 descr: DAEJIN UNIVERSITY origin: AS9778 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100121 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: 220.68.150.0/23 descr: contact noc [at] bora.net if necessary origin: AS9778 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20030122 source: RADB last-modified: 2023-11-13T16:09:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.68.150.0/24 descr: DAEJIN UNIVERSITY origin: AS9778 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100121 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: 220.68.151.0/24 descr: DAEJIN UNIVERSITY origin: AS9778 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100121 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: 220.68.152.0/22 descr: contact noc [at] bora.net if necessary origin: AS9778 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20030122 source: RADB last-modified: 2023-11-13T16:09:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.68.152.0/23 descr: DAEJIN-AS origin: AS9778 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: 220.68.154.0/24 descr: DAEJIN-AS origin: AS9778 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: 220.85.223.0/24 descr: DAEJIN UNIVERSITY origin: AS9778 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100121 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: 220.90.117.0/24 descr: DAEJIN UNIVERSITY origin: AS9778 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20171227 #10:16:38Z source: RADB last-modified: 2023-11-13T15:52:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.90.118.0/23 origin: AS9778 descr: AS9778 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190103 source: RADB last-modified: 2023-11-13T15:58:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.90.119.0/24 descr: DAEJIN UNIVERSITY origin: AS9778 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100121 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: 220.90.120.0/24 descr: DAEJIN UNIVERSITY origin: AS9778 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20171227 #10:16:38Z source: RADB last-modified: 2023-11-13T15:52:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source