These entries are queried from radb.net using whois, you can try my project getting these.
:AS3559 route: 1.100.0.0/14 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230522 #22:02:55Z source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 1.108.0.0/14 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230522 #22:06:44Z source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 39.4.0.0/14 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230522 #21:28:49Z source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 39.16.0.0/13 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230522 #21:32:03Z source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.16.0.0/14 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230522 #22:08:38Z source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.20.0.0/15 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230522 #22:09:57Z source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.252.32.0/20 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230522 #21:37:20Z source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 110.69.0.0/16 origin: AS3559 descr: KT Mobile mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230705 #13:00:25Z source: RADB last-modified: 2023-11-13T16:17:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 110.70.0.0/15 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230522 #22:25:15Z source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 116.200.0.0/15 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230522 #21:41:54Z source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 118.234.0.0/15 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230522 #21:43:02Z source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 118.235.50.0/23 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230626 #18:05:36Z source: RADB last-modified: 2023-11-13T16:17:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 175.216.0.0/13 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230614 #09:11:58Z source: RADB last-modified: 2023-11-13T16:17:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.219.86.0/24 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230522 #21:51:44Z source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.246.0.0/17 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230522 #21:52:28Z source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:e60::/34 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230628 #17:37:23Z source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:e60:4000::/36 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230628 #17:37:46Z source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:e60:8000::/34 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230628 #17:38:08Z source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:e60:9400::/38 origin: AS3559 descr: Korea Telecom MIB mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20231011 #14:13:13Z source: RADB last-modified: 2023-11-13T16:18:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:e60:c000::/35 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230628 #17:38:28Z source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:e60:d200::/44 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230628 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:e60:d210::/44 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230628 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:e60:d300::/44 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230628 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:e60:d310::/44 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230628 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:e60:d400::/44 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230628 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:e60:d410::/44 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230628 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:e60:d520::/44 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230628 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:e60:d530::/44 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230628 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:e60:e990::/48 origin: AS3559 descr: Korea Telecom mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20230628 #17:38:53Z source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source