These entries are queried from radb.net using whois, you can try my project getting these.
:AS18304 route: 114.70.144.0/22 descr: proxy for HANARO TELECOM route origin: AS18304 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110303 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.16.52.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 117.16.53.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 203.252.169.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: luxo [at] kt.co.kr 20030903 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: 203.252.169.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 203.252.170.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: luxo [at] kt.co.kr 20030903 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: 203.252.170.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 203.252.171.0/24 descr: Proxy-registered route object origin: AS18304 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 route: 203.252.171.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 203.252.172.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 203.252.172.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: luxo [at] kt.co.kr 20030903 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: 203.252.173.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 203.252.173.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: luxo [at] kt.co.kr 20030903 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: 203.252.174.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 203.252.174.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: luxo [at] kt.co.kr 20030903 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: 203.252.185.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 203.252.185.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: luxo [at] kt.co.kr 20030903 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: 203.252.186.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: luxo [at] kt.co.kr 20030903 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: 203.252.186.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 203.252.187.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 203.252.187.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: luxo [at] kt.co.kr 20030903 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: 203.252.189.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: luxo [at] kt.co.kr 20030903 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: 203.252.189.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 203.252.190.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 203.252.190.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: luxo [at] kt.co.kr 20030903 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: 218.151.101.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 218.151.101.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030905 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: 218.151.102.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 218.151.102.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030905 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: 218.151.103.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 218.151.103.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030905 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: 218.151.104.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030905 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: 218.151.104.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 218.151.105.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 218.151.105.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030905 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: 218.151.106.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 218.151.106.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030905 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: 218.151.107.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 218.151.107.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030905 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: 218.151.108.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 218.151.108.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030905 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: 218.151.109.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030905 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: 218.151.110.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 218.151.110.0/24 descr: Proxy-registered route object origin: AS18304 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 20070216 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.151.111.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 218.151.111.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030905 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: 218.151.112.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 218.151.112.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030905 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: 218.151.113.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 218.151.113.0/24 descr: KONKUK UNIVERSTY CHUNGJUCAMPUS COMPUTER CENTER origin: AS18304 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030905 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: 222.116.133.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 222.116.133.0/24 descr: Proxy-registered route object origin: AS18304 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 20050219 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 222.116.134.0/24 descr: Proxy-registered route object origin: AS18304 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 20050219 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 222.116.134.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 222.116.135.0/24 descr: Proxy-registered route object origin: AS18304 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 20050226 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 222.116.135.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 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: 222.116.136.0/24 descr: proxy for HANARO TELECOM route origin: AS18304 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20080610 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source