These entries are queried from radb.net using whois, you can try my project getting these.
:AS37888 route: 202.250.32.0/24 descr: HORIBANET origin: AS37888 notify: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp mnt-by: MAINT-AS4722 changed: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp 20130819 source: RADB last-modified: 2023-11-13T15:45:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.250.32.0/24 descr: HORIBANET origin: AS37888 notify: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp mnt-by: MAINT-AS4725 changed: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp 20230418 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.250.37.0/24 descr: HORIBANET origin: AS37888 notify: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp mnt-by: MAINT-AS4722 changed: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp 20130815 source: RADB last-modified: 2023-11-13T15:45:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.250.37.0/24 descr: HORIBANET origin: AS37888 notify: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp mnt-by: MAINT-AS4725 changed: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp 20230418 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.250.37.0/24 descr: HORIBA, Ltd. origin: AS37888 notify: bgp-op [at] ntt.com mnt-by: MAINT-AS-HORIBA changed: n.masuzawa [at] ntt.com 20060420 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.250.38.0/24 descr: HORIBANET origin: AS37888 notify: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp mnt-by: MAINT-AS4722 changed: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp 20130815 source: RADB last-modified: 2023-11-13T15:45:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.250.38.0/24 descr: HORIBA, Ltd. origin: AS37888 notify: bgp-op [at] ntt.com mnt-by: MAINT-AS-HORIBA changed: n.masuzawa [at] ntt.com 20060420 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.250.38.0/24 descr: HORIBANET origin: AS37888 notify: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp mnt-by: MAINT-AS4725 changed: gw.odn.ad.jp">as-admin [at] gw.odn.ad.jp 20230418 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source