These entries are queried from radb.net using whois, you can try my project getting these.
:AS17859 route: 121.78.79.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.80.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.87.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.95.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.112.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.113.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.114.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.115.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.116.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.117.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.118.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.119.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.121.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.122.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.123.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.124.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.125.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.126.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.127.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.128.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.129.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.130.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.131.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.132.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.133.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.134.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.144.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.145.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.146.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.147.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.176.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.177.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.178.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.78.179.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.162.154.0/24 descr: National Information & Credit Evaluation origin: AS17859 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170215 #17:00:31Z source: RADB last-modified: 2023-11-13T15:50:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.162.155.0/24 descr: National Information & Credit Evaluation origin: AS17859 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170215 #17:00:31Z source: RADB last-modified: 2023-11-13T15:50:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.0.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.1.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.2.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.3.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.6.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.7.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.10.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.11.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.12.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.13.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.14.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.26.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.27.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.28.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.29.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.30.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.31.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.131.32.0/19 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 183.86.224.0/19 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.234.212.0/23 descr: contact jesong [at] nice.co.kr if necessary origin: AS17859 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net20020206 20020206 source: RADB last-modified: 2023-11-13T16:09:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.234.212.0/24 descr: National Information & Credit Evaluation origin: AS17859 mnt-by: MAINT-AS4766 changed: luxo [at] kt.co.kr 20030903 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: 203.234.213.0/24 descr: National Information & Credit Evaluation origin: AS17859 mnt-by: MAINT-AS4766 changed: luxo [at] kt.co.kr 20030903 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: 203.234.228.0/24 descr: contact jesong [at] nice.co.kr if necessary origin: AS17859 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net20020206 20020206 source: RADB last-modified: 2023-11-13T16:09:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.236.117.0/25 descr: contact jesong [at] nice.co.kr if necessary origin: AS17859 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net20020206 20020206 source: RADB last-modified: 2023-11-13T16:09:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.201.198.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.211.38.0/24 origin: AS17859 descr: NICE INFORMATION SERVICE mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20210414 #01:06:22Z 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: 211.218.41.0/24 descr: contact noc [at] bora.net if necessary origin: AS17859 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20040813 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: 211.219.64.0/24 origin: AS17859 descr: NICEINFOMATIONSERVICE mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20210712 #08:48:49Z source: RADB last-modified: 2023-11-13T16:07:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.226.218.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.244.211.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.153.128.0/24 descr: AS17859 origin: AS17859 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20150212 #10:56:02Z source: RADB last-modified: 2023-11-13T15:47:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.156.80.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.232.34.0/24 origin: AS17859 descr: AS17859 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190102 #04:36:55Z source: RADB last-modified: 2023-11-13T15:55:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.241.221.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.75.210.0/24 origin: AS17859 descr: AS17859 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190103 source: RADB last-modified: 2023-11-13T15:57:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 222.236.221.0/24 descr: Transit customer route announce origin: AS17859 mnt-by: MAINT-AS9318 changed: empires [at] sk.com 20121218 source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source