These entries are queried from radb.net using whois, you can try my project getting these.
:AS10053 route: 114.70.25.0/24 descr: Yeonsung University origin: AS10053 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20170819 #06:48:45Z 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: 114.70.26.0/24 descr: Yeonsung University origin: AS10053 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20170819 #06:52:58Z 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: 114.70.42.0/24 descr: Yeonsung University origin: AS10053 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20170819 #06:53:43Z 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: 114.70.66.0/24 descr: Yeonsung University origin: AS10053 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20170819 #06:54:27Z 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: 114.70.77.0/24 descr: Yeonsung University origin: AS10053 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20170819 #06:55:50Z 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: 114.70.151.0/24 descr: Yeonsung University origin: AS10053 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20170819 #06:56:25Z 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: 114.70.159.0/24 descr: Yeonsung University origin: AS10053 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20170819 #06:57:03Z 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: 114.70.163.0/24 descr: Yeonsung University origin: AS10053 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20170819 #06:57:42Z 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: 114.70.169.0/24 descr: Yeonsung University origin: AS10053 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20170819 #06:58:34Z 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: 114.70.179.0/24 descr: Yeonsung University origin: AS10053 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20170819 #06:59:11Z 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: 114.70.200.0/24 descr: Yeonsung University origin: AS10053 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20170819 #06:59:48Z 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: 203.230.208.0/23 descr: Anyang Technical College origin: AS10053 mnt-by: MAINT-AS4766 changed: choi [at] streamwk.kix.net 20010215 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: 203.230.208.0/24 descr: AS10053 origin: AS10053 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20180118 #08:15:13Z source: RADB last-modified: 2023-11-13T15:53:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.230.209.0/24 descr: AS10053 origin: AS10053 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20180118 #08:15:40Z source: RADB last-modified: 2023-11-13T15:53:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.106.76.0/22 descr: Anyang Technical College origin: AS10053 mnt-by: MAINT-AS4766 changed: choi [at] streamwk.kix.net 20010215 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: 210.106.76.0/24 descr: AS10053 origin: AS10053 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20180118 #08:16:01Z source: RADB last-modified: 2023-11-13T15:53:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.106.77.0/24 descr: AS10053 origin: AS10053 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20180118 #08:16:22Z source: RADB last-modified: 2023-11-13T15:53:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.106.78.0/24 descr: AS10053 origin: AS10053 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20180118 #08:16:45Z source: RADB last-modified: 2023-11-13T15:53:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.106.79.0/24 descr: AS10053 origin: AS10053 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20180118 #08:17:04Z source: RADB last-modified: 2023-11-13T15:53:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.181.164.0/23 descr: Anyang Technical College origin: AS10053 mnt-by: MAINT-AS4766 changed: choi [at] streamwk.kix.net 20010215 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: 210.181.164.0/24 descr: AS10053 origin: AS10053 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20180118 #08:17:25Z source: RADB last-modified: 2023-11-13T15:53:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.181.166.0/24 descr: Anyang Technical College origin: AS10053 mnt-by: MAINT-AS4766 changed: choi [at] streamwk.kix.net 20010215 source: RADB last-modified: 2023-11-13T16:15:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source