These entries are queried from radb.net using whois, you can try my project getting these.
:AS9640 route: 121.133.41.0/24 descr: AS9640 origin: AS9640 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20171219 #04:20:45Z source: RADB last-modified: 2023-11-13T15:52:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.222.220.0/24 origin: AS9640 descr: AS9640 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: 192.5.90.0/24 descr: AS9640 origin: AS9640 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20171219 #04:20:45Z source: RADB last-modified: 2023-11-13T15:52:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.5.90.0/24 descr: proxy for HANARO TELECOM route origin: AS9640 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20101112 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.132.247.0/24 origin: AS9640 descr: AS9640 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: 192.203.140.0/24 origin: AS9640 descr: AS9640 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: 210.108.1.0/25 descr: contact info [at] mail.i-korea.co.kr if necessary contact yjjang [at] mail.i-korea.co.kr if necessary origin: AS9640 mnt-by: MAINT-AS3786 changed: ysjeon7 [at] bora.net 20000410 source: RADB last-modified: 2023-11-13T16:09:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.36.80.0/22 descr: contact info [at] mail.i-korea.co.kr if necessary contact yjjang [at] mail.i-korea.co.kr if necessary origin: AS9640 mnt-by: MAINT-AS3786 changed: ysjeon7 [at] bora.net 20000410 source: RADB last-modified: 2023-11-13T16:09:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 221.149.161.0/24 descr: AS9640 origin: AS9640 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20171219 #04:20:45Z source: RADB last-modified: 2023-11-13T15:52:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 221.149.161.0/24 descr: proxy for HANARO TELECOM route origin: AS9640 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20080504 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 221.149.161.0/24 descr: Proxy-registered route object origin: AS9640 remarks: auto-generated route object remarks: this next line gives the robot something to recognize remarks: L'enfer, c'est les autres remarks: remarks: This route object is for a Level 3 customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some Level 3 peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact dl-routing [at] lumen.com if you have any remarks: questions regarding this object. mnt-by: LEVEL3-MNT changed: roy [at] Level3.net 20041012 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source