These entries are queried from radb.net using whois, you can try my project getting these.
:AS17678 route: 64.46.70.0/24 descr: NWN-NMI: NEW WORLD NETWORK admin-c: JH2154-ARIN tech-c: NOC184-ARIN origin: AS17678 mnt-by: MAINT-AS23520 changed: registrar [at] nwncable.com 20030626 source: RADB last-modified: 2023-11-13T15:55:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.46.76.0/23 descr: NWN-NMI: NEW WORLD NETWORK admin-c: JH2154-ARIN tech-c: NOC184-ARIN origin: AS17678 mnt-by: MAINT-AS23520 changed: registrar [at] nwncable.com 20030626 source: RADB last-modified: 2023-11-13T15:55:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.45.48.0/20 origin: AS17678 descr: GUNMA Internet mnt-by: MAINT-IPRIO changed: hostmaster [at] iprio.co.jp 20200122 #02:12:31Z source: RADB last-modified: 2023-11-13T15:59:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.223.48.0/20 origin: AS17678 descr: GUNMA Internet mnt-by: MAINT-IPRIO changed: hostmaster [at] iprio.co.jp 20200122 #02:14:23Z source: RADB last-modified: 2023-11-13T15:59:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:d00::/32 descr: Proxy Object for AS2914 Downstream Peer origin: AS17678 remarks: contact ce-ipadmin [at] us.ntt.net to request removal mnt-by: MAINT-NTTCOM-RA changed: bfoust [at] us.ntt.net 20100629 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:d00::/32 origin: AS17678 descr: GUNMA Internet mnt-by: MAINT-IPRIO changed: hostmaster [at] iprio.co.jp 20200122 #02:17:33Z source: RADB last-modified: 2023-11-13T15:59:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source