These entries are queried from radb.net using whois, you can try my project getting these.
:AS2500 route: 133.4.64.0/18 descr: WIDE Project origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20160602 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: 133.4.128.0/18 descr: WIDE Project origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20150526 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: 133.4.192.0/18 descr: WIDE Project origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20160602 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: 133.12.0.0/16 descr: Sophia University origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.27.0.0/16 descr: Keio University origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20180718 source: RADB last-modified: 2023-11-13T15:54:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.139.0.0/16 descr: Ricoh Comapny Limited origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011217 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.144.0.0/16 descr: Hitachi Ltd. origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.186.0.0/16 descr: ATR International origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.227.0.0/16 descr: Japan Information Processing Service origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011217 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 133.229.0.0/16 descr: Mitsubishi Electric Corp. origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011217 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 136.198.0.0/16 descr: JVC origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011217 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 150.52.0.0/16 descr: Sanno University origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.194.0.0/16 descr: Meisei University origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 163.142.0.0/16 descr: JSAT Corporation origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 163.215.0.0/16 descr: Tokyo Engineering University origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 163.221.0.0/16 descr: Nara Institute of Science and Technology origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.41.197.0/24 descr: The University of Tokyo origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.50.36.0/24 descr: WIDE San Francisco origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20170207 source: RADB last-modified: 2023-11-13T15:50:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.50.61.0/24 descr: WIDE Project origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011217 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.51.41.0/24 descr: Fujitsu Ltd. origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.51.42.0/24 descr: Fujitsu Ltd. origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.218.128.0/22 descr: Nara Institute of Science and Technology origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20030424 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.218.128.0/23 descr: Nara Institute of Science and Technology origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.218.130.0/23 descr: Advanced Institute of Science and Technology, Nara origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011217 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.244.23.0/24 descr: WIDE Project origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011217 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.17.180.0/24 descr: Institute of Electronics, Information and Communication Engineers origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.48.48.0/20 descr: Bunkyo University origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.244.32.0/21 descr: Chiba University of Commerce origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.244.160.0/19 descr: Kurashiki University of Science and the Arts origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.249.0.0/17 descr: WIDE Project Aggregate for Customer Prefixes origin: AS2500 mnt-by: MAINT-AS2500 remarks: Please contact Abuse/Security issues: csirt [at] wide.ad.jp changed: kato [at] wide.ad.jp 20180306 source: RADB last-modified: 2023-11-13T15:53:21Z rpki-ov-state: valid route: 202.249.0.0/18 descr: WIDE Project Aggregate for Customer Prefixes origin: AS2500 mnt-by: MAINT-AS2500 changed: kato [at] wide.ad.jp 20011211 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: valid route: 203.178.128.0/17 descr: WIDE Project Aggregate for Customer Prefixes origin: AS2500 mnt-by: MAINT-AS2500 remarks: Please contact Abuse/Security issues: csirt [at] wide.ad.jp changed: kato [at] wide.ad.jp 20180306 source: RADB last-modified: 2023-11-13T15:53:21Z rpki-ov-state: valid route6: 2001:200::/32 descr: WIDE Project origin: AS2500 mnt-by: MAINT-AS2500 remarks: Please contact Abuse/Security issues: csirt [at] wide.ad.jp changed: kato [at] wide.ad.jp 20180306 source: RADB last-modified: 2023-11-13T15:53:21Z rpki-ov-state: valid route6: 2001:200::/32 origin: AS2500 descr: WIDE Murai Lab Keio University 5322 Endo, Fujisawa-shi mnt-by: MAINT-JP-WIDE last-modified: 2017-09-05T00:01:09Z source: APNIC rpki-ov-state: valid route6: 2001:d30::/32 descr: proxy route6 registration by AS2914 origin: AS2500 admin-c: NCGE-VRIO tech-c: NCGE-VRIO remarks: Abuse / UCE reports abuse [at] ntt.net remarks: Security issues security [at] ntt.net remarks: SWIP issues ce-ipadmin [at] us.ntt.net notify: tech [at] ntt.net mnt-by: MAINT-NTTCOM-BB changed: fukamori [at] ntt.net 20100611 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2403:2000::/32 descr: proxy route6 registration by AS2914 origin: AS2500 admin-c: NCGE-VRIO tech-c: NCGE-VRIO remarks: Abuse / UCE reports abuse [at] ntt.net remarks: Security issues security [at] ntt.net remarks: SWIP issues ce-ipadmin [at] us.ntt.net notify: tech [at] ntt.net mnt-by: MAINT-NTTCOM-BB changed: fukamori [at] ntt.net 20100611 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source