These entries are queried from radb.net using whois, you can try my project getting these.
:AS18097 route: 27.109.120.0/22 descr: Cosmomedia origin: AS18097 notify: hostmaster [at] iprio.co.jp mnt-by: MAINT-IPRIO changed: hostmaster [at] iprio.co.jp 20100729 #09:13:13Z source: RADB last-modified: 2023-11-13T15:40:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.113.172.0/22 descr: freeasy inc. origin: AS18097 mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20150929 #16:04:20Z source: RADB last-modified: 2023-11-13T15:48:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.36.140.0/22 origin: AS18097 descr: ACE QUALITY Co.,Ltd mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20210203 #06:22:16Z source: RADB last-modified: 2023-11-13T16:03:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.53.96.0/22 descr: FREEASY INC origin: AS18097 mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20150517 #16:15:29Z source: RADB last-modified: 2023-11-13T15:47:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.83.24.0/22 origin: AS18097 descr: EIC INC mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20210203 #06:21:35Z source: RADB last-modified: 2023-11-13T16:03:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 119.15.144.0/21 descr: D.C.N. Corporation origin: AS18097 admin-c: SK755JP tech-c: TF304JP tech-c: TS2220JP notify: radb [at] dcn.ad.jp mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20071226 #16:53:39(UTC) changed: kama [at] dcn.ad.jp 20080414 #17:47:08Z source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.100.56.0/22 origin: AS18097 descr: Rakushasu Inc mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20190218 #05:46:10Z source: RADB last-modified: 2023-11-13T15:55:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.100.60.0/22 origin: AS18097 descr: Rakushasu Inc mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20190703 #00:39:19Z source: RADB last-modified: 2023-11-13T15:56:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 123.108.84.0/22 origin: AS18097 descr: EIC INC mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20200921 #18:24:38Z source: RADB last-modified: 2023-11-13T16:01:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.140.0.0/16 descr: Yokogawa Electric Corp. origin: AS18097 admin-c: SK755JP tech-c: TF304JP tech-c: TS2220JP notify: radb [at] dcn.ad.jp mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20060905 #18:28:57(UTC) changed: kama [at] dcn.ad.jp 20080414 #17:46:34Z source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 153.124.232.0/24 origin: AS18097 descr: trunk inc. mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20210323 #17:18:37Z source: RADB last-modified: 2023-11-13T16:05:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 153.124.233.0/24 origin: AS18097 descr: trunk inc. mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20210323 #17:19:14Z source: RADB last-modified: 2023-11-13T16:05:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 153.124.234.0/24 origin: AS18097 descr: trunk inc. mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20211013 #15:49:11Z source: RADB last-modified: 2023-11-13T16:08:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 153.124.235.0/24 origin: AS18097 descr: trunk inc. mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20211013 #15:50:21Z source: RADB last-modified: 2023-11-13T16:08:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 176.125.254.0/24 origin: AS18097 descr: Neterra Ltd. mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20230325 #04:54:57Z source: RADB last-modified: 2023-11-13T16:15:37Z rpki-ov-state: valid route: 202.53.208.0/20 descr: IC-NET Corporation origin: AS18097 notify: hostmaster [at] iprio.co.jp mnt-by: MAINT-IPRIO changed: hostmaster [at] iprio.co.jp 20110915 #01:20:08Z source: RADB last-modified: 2023-11-13T15:41:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.60.16.0/20 descr: PACNET (proxy-registered route object) origin: AS18097 remarks: This route object is for a PACNET customer route which is being exported under this origin AS. + This route object was created because no existing route object with the same origin was found, and since some ANC peers filter based on these objects this route may be rejected if this object is not created. + Please contact abuse [at] pacnet.net if you have any Concerns regarding Spam/Abuses related to this object + Please contact ip-noc [at] pacnet.net if you have any other Questions regarding this object. notify: ip-noc [at] pacnet.net mnt-by: MAINT-AS4637 changed: ip-noc [at] pacnet.net 20100324 source: RADB last-modified: 2023-11-13T15:58:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.189.176.0/21 descr: kronos.Co.,Ltd. origin: AS18097 mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20170227 #11:45:51Z source: RADB last-modified: 2023-11-13T15:50:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.189.176.0/22 descr: kronos.Co.,Ltd. origin: AS18097 mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20160530 #03:00:20Z source: RADB last-modified: 2023-11-13T15:49:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.189.180.0/22 descr: kronos.Co.,Ltd. origin: AS18097 mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20170227 #11:46:20Z source: RADB last-modified: 2023-11-13T15:50:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.189.184.0/22 descr: kronos.Co.,Ltd. origin: AS18097 mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20171003 #15:34:42Z source: RADB last-modified: 2023-11-13T15:51:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.189.188.0/22 descr: kronos.Co.,Ltd. origin: AS18097 mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20180131 #14:33:52Z source: RADB last-modified: 2023-11-13T15:53:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.179.146.0/23 descr: IT Communications Net origin: AS18097 admin-c: SK755JP tech-c: TF304JP tech-c: TS2220JP mnt-by: MAINT-AS13389 changed: tech_dep [at] azukinet.com 20120123 #18:11:10Z source: RADB last-modified: 2023-11-13T15:41:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.179.198.0/23 descr: A Creation network origin: AS18097 admin-c: SK755JP tech-c: TS2220JP mnt-by: MAINT-AS13389 changed: tech_dep [at] azukinet.com 20110802 #17:55:52Z source: RADB last-modified: 2023-11-13T15:41:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.179.238.0/23 descr: HHSI, Inc Cidr Block origin: AS18097 mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20101029 #17:33:30Z source: RADB last-modified: 2023-11-13T15:41:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.179.248.0/23 descr: HHSI, Inc Cidr Block origin: AS18097 mnt-by: MAINT-AS7684 changed: peer [at] sakura.ad.jp 20231102 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.105.32.0/20 descr: D.C.N. Corporation origin: AS18097 admin-c: SK755JP tech-c: TF304JP tech-c: TS2220JP notify: radb [at] dcn.ad.jp mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20040710 changed: kama [at] dcn.ad.jp 20080414 #17:43:27Z source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:c400::/32 descr: D.C.N. Corporation origin: AS18097 admin-c: SK755JP tech-c: TF304JP tech-c: TS2220JP notify: radb [at] dcn.ad.jp mnt-by: MAINT-AS18097 changed: kama [at] dcn.ad.jp 20100108 #15:55:48Z source: RADB last-modified: 2023-11-13T15:40:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2407:f600::/32 descr: IC-NET Corporation origin: AS18097 mnt-by: MAINT-IPRIO changed: hostmaster [at] iprio.co.jp 20110915 #01:30:00Z source: RADB last-modified: 2023-11-13T15:41:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source