These entries are queried from radb.net using whois, you can try my project getting these.
:AS38639 route: 103.2.128.0/22 descr: HANABI by NTT Communications Corporation X-keiro: testbed-noc [at] ml.ntt.com admin-c: JP00071138 tech-c: JP00071138 notify: testbed-noc [at] ml.ntt.com origin: AS38639 mnt-by: MAINT-AS38639 changed: n.hibi [at] ntt.com 20240402 source: JPIRR rpki-ov-state: valid route: 103.2.128.0/22 descr: HANABI by NTT Communications Corporation origin: AS38639 notify: testbed-noc [at] ml.ntt.com mnt-by: MAINT-AS38639 changed: r.miyachi [at] ntt.com 20210428 source: NTTCOM rpki-ov-state: valid route: 115.69.224.0/21 descr: HANABI by NTT Communications Corporation origin: AS38639 notify: testbed-noc [at] ml.ntt.com mnt-by: MAINT-AS38639 changed: r.miyachi [at] ntt.com 20210428 source: NTTCOM rpki-ov-state: valid route: 115.69.224.0/21 descr: HANABI by NTT Communications Corporation X-keiro: testbed-noc [at] ml.ntt.com admin-c: JP00071138 tech-c: JP00071138 notify: testbed-noc [at] ml.ntt.com origin: AS38639 mnt-by: MAINT-AS38639 changed: n.hibi [at] ntt.com 20240402 source: JPIRR rpki-ov-state: valid route: 163.138.224.0/19 descr: HANABI by NTT Communications Corporation origin: AS38639 admin-c: JP00071138 tech-c: JP00071138 notify: testbed-noc [at] ml.ntt.com mnt-by: MAINT-AS38639 changed: n.hibi [at] ntt.com 20240402 source: JPIRR rpki-ov-state: valid route: 163.138.224.0/19 origin: AS38639 descr: Nippon Telegraph and Telephone Corporation 3-9-11 Midori-cho Musashino-shi mnt-by: MAINT-JP-NTTECL-JP last-modified: 2023-06-27T11:17:47Z source: APNIC rpki-ov-state: valid route: 163.138.224.0/19 descr: HANABI by NTT Communications Corporation origin: AS38639 notify: testbed-noc [at] ml.ntt.com mnt-by: MAINT-AS38639 changed: r.miyachi [at] ntt.com 20210428 source: NTTCOM rpki-ov-state: valid route: 163.138.241.0/24 origin: AS38639 descr: Nippon Telegraph and Telephone Corporation 3-9-11 Midori-cho Musashino-shi mnt-by: MAINT-JP-NTTECL-JP last-modified: 2023-09-28T04:03:09Z source: APNIC rpki-ov-state: valid route: 163.138.242.0/24 origin: AS38639 descr: Nippon Telegraph and Telephone Corporation 3-9-11 Midori-cho Musashino-shi mnt-by: MAINT-JP-NTTECL-JP last-modified: 2023-09-28T04:03:13Z source: APNIC rpki-ov-state: valid route: 220.150.192.0/21 descr: HANABI by NTT Communications Corporation origin: AS38639 notify: testbed-noc [at] ml.ntt.com mnt-by: MAINT-AS38639 changed: n.hibi [at] ntt.com 20240227 source: NTTCOM last-modified: 2024-02-27T04:54:19Z rpki-ov-state: valid route: 220.150.192.0/21 descr: HANABI by NTT Communications Corporation origin: AS38639 admin-c: JP00071138 tech-c: JP00071138 notify: testbed-noc [at] ml.ntt.com mnt-by: MAINT-AS38639 changed: n.hibi [at] ntt.com 20240402 source: JPIRR rpki-ov-state: valid route: 220.150.196.0/24 descr: HANABI by NTT Communications Corporation origin: AS38639 admin-c: JP00071138 tech-c: JP00071138 notify: testbed-noc [at] ml.ntt.com mnt-by: MAINT-AS38639 changed: n.hibi [at] ntt.com 20240402 source: JPIRR rpki-ov-state: valid route: 220.150.196.0/24 descr: HANABI by NTT Communications Corporation origin: AS38639 notify: testbed-noc [at] ml.ntt.com mnt-by: MAINT-AS38639 changed: r.miyachi [at] ntt.com 20210428 source: NTTCOM rpki-ov-state: valid route6: 2402:c800::/32 descr: HANABI by NTT Communications Corporation origin: AS38639 notify: testbed-noc [at] ml.ntt.com mnt-by: MAINT-AS38639 changed: r.miyachi [at] ntt.com 20210428 source: NTTCOM rpki-ov-state: valid route6: 2402:c800::/32 descr: HANABI by NTT Communications Corporation X-keiro: testbed-noc [at] ml.ntt.com admin-c: JP00071138 tech-c: JP00071138 notify: testbed-noc [at] ml.ntt.com origin: AS38639 mnt-by: MAINT-AS38639 changed: n.hibi [at] ntt.com 20240402 source: JPIRR rpki-ov-state: valid route6: 2402:c800:cafe::/48 descr: HANABI by NTT Communications Corporation origin: AS38639 admin-c: JP00071138 tech-c: JP00071138 notify: testbed-noc [at] ml.ntt.com mnt-by: MAINT-AS38639 changed: n.hibi [at] ntt.com 20240402 source: JPIRR rpki-ov-state: valid route6: 2402:c800:cafe::/48 descr: HANABI by NTT Communications Corporation origin: AS38639 notify: testbed-noc [at] ml.ntt.com mnt-by: MAINT-AS38639 changed: r.miyachi [at] ntt.com 20210428 source: NTTCOM rpki-ov-state: valid