These entries are queried from radb.net using whois, you can try my project getting these.
:AS4040 route: 14.49.13.0/24 origin: AS4040 descr: CAFE24 changed: ipnoc [at] kt.com 20181206 #10:21:59Z source: RADB mnt-by: MAINT-AS4766 last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 14.49.14.0/24 origin: AS4040 descr: CAFE24 changed: ipnoc [at] kt.com 20181206 #10:23:31Z source: RADB mnt-by: MAINT-AS4766 last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 14.49.19.0/24 origin: AS4040 descr: by ipnoc changed: ipnoc [at] kt.com 20181206 #07:03:58Z source: RADB mnt-by: MAINT-AS4766 last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 14.49.22.0/24 origin: AS4040 descr: Intl Premium Service by realdata [at] kt.com mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20190103 #10:56:54Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.254.161.0/24 origin: AS4040 descr: HionNet mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20200304 #00:12:13Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.78.51.0/24 origin: AS4040 descr: Netmarble mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20221108 #15:33:57Z 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: 103.150.62.0/24 origin: AS4040 descr: NCSOFT mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20201106 #07:19:38Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 115.144.255.0/24 origin: AS4040 descr: HionNet mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20200304 #00:11:49Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 119.28.232.0/23 origin: AS4040 descr: Tencent mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20200106 #10:55:50Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 175.207.6.0/24 origin: AS4040 descr: premium changed: ipnoc [at] kt.com 20181206 #07:06:36Z source: RADB mnt-by: MAINT-AS4766 last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 183.110.36.0/24 origin: AS4040 descr: AS4040 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20191217 #01:50:45Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 183.110.38.0/24 origin: AS4040 descr: premium changed: ipnoc [at] kt.com 20181206 #07:07:11Z source: RADB mnt-by: MAINT-AS4766 last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 183.110.40.0/24 origin: AS4040 descr: premium changed: ipnoc [at] kt.com 20181206 #07:07:37Z source: RADB mnt-by: MAINT-AS4766 last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 183.110.83.0/24 origin: AS4040 descr: premium changed: ipnoc [at] kt.com 20181206 #07:08:02Z source: RADB mnt-by: MAINT-AS4766 last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 183.110.84.0/24 origin: AS4040 descr: Premium changed: ipnoc [at] kt.com 20181206 #07:10:56Z source: RADB mnt-by: MAINT-AS4766 last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 183.110.88.0/24 origin: AS4040 descr: netmarble : requested by KT Global IP Service Team mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20191026 #01:55:19Z 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: 183.110.89.0/24 origin: AS4040 descr: netmarble : requested by KT Global IP Service Team mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20191026 #01:56:07Z 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: 183.110.90.0/24 origin: AS4040 descr: AS4040 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20191217 #01:48:30Z 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: 183.110.91.0/24 origin: AS4040 descr: AS4040 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20191217 #01:49:10Z 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: 183.110.92.0/24 origin: AS4040 descr: AS4040 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20191217 #01:49:44Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 183.110.93.0/24 origin: AS4040 descr: AS4040 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20191217 #01:50:15Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 183.110.94.0/24 origin: AS4040 descr: Netmarble mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20220613 #04:20:34Z 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: 183.110.95.0/24 origin: AS4040 descr: Netmarble mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20220613 #04:19:47Z 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: 183.110.96.0/24 origin: AS4040 descr: Netmarble mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20201116 #08:51:09Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 183.110.97.0/24 origin: AS4040 descr: Netmarble mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20201227 #02:21:07Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 183.110.98.0/24 origin: AS4040 descr: Netmarble mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20210427 #04:57:53Z source: RADB last-modified: 2023-11-13T16:15:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 183.110.99.0/24 origin: AS4040 descr: Netmarble mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20210427 #04:58:18Z source: RADB last-modified: 2023-11-13T16:15:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 183.110.100.0/24 origin: AS4040 descr: Netmarble mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20210427 #04:58:47Z source: RADB last-modified: 2023-11-13T16:15:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 183.110.101.0/24 origin: AS4040 descr: Netmarble mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20220613 #01:45:37Z 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: 183.110.102.0/24 origin: AS4040 descr: Netmarble mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20220828 #02:41:49Z 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: 183.110.205.0/24 origin: AS4040 descr: Netmarble mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230922 #06:04:26Z source: RADB last-modified: 2023-11-13T16:18:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.14.165.0/24 origin: AS4040 descr: Webzen mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20210330 #03:49:55Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.234.144.0/24 origin: AS4040 descr: NC Soft changed: ipnoc [at] kt.com 20181206 #10:20:38Z source: RADB mnt-by: MAINT-AS4766 last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.39.157.0/24 origin: AS4040 descr: Premium changed: ipnoc [at] kt.com 20181206 #07:11:26Z source: RADB mnt-by: MAINT-AS4766 last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.145.58.0/24 origin: AS4040 descr: premiem changed: ipnoc [at] kt.com 20181206 #07:10:39Z source: RADB mnt-by: MAINT-AS4766 last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.73.221.0/24 origin: AS4040 descr: Netmarble mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230922 #06:04:53Z source: RADB last-modified: 2023-11-13T16:18:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.90.199.0/24 origin: AS4040 descr: premiem changed: ipnoc [at] kt.com 20181206 #07:08:45Z source: RADB mnt-by: MAINT-AS4766 last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.95.227.0/24 origin: AS4040 descr: Netmarble mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230130 #04:36:59Z 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: 222.122.54.0/24 origin: AS4040 descr: premiem changed: ipnoc [at] kt.com 20181206 #07:08:14Z source: RADB mnt-by: MAINT-AS4766 last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 222.122.216.0/24 origin: AS4040 descr: Premium changed: ipnoc [at] kt.com 20181206 #07:08:25Z source: RADB mnt-by: MAINT-AS4766 last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 222.122.217.0/24 origin: AS4040 descr: premium mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20190123 #05:19:42Z source: RADB last-modified: 2023-11-13T16:15:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source