These entries are queried from radb.net using whois, you can try my project getting these.
:AS4697 route: 192.16.178.0/24 descr: NTT Network Service Systems Laboratories X-Keiro:noc [at] nttv6.net origin: AS4697 notify: noc [at] nttv6.net mnt-by: MAINT-AS4697 changed: noc [at] nttv6.net 20230721 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.26.93.0/24 descr: NTT-IPv6-IPv4-DUAL-NW origin: AS4697 notify: vrr [at] nttv6.net mnt-by: MAINT-JP-NTTLABS changed: fujisaki [at] syce.net 20060202 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.26.93.0/24 descr: NTT Network Service Systems Laboratories X-Keiro:noc [at] nttv6.net origin: AS4697 notify: noc [at] nttv6.net mnt-by: MAINT-AS4697 changed: noc [at] nttv6.net 20230721 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.47.162.0/23 descr: NTT-IPv6-IPv4-DUAL-NW origin: AS4697 notify: vrr [at] nttv6.net mnt-by: MAINT-JP-NTTLABS changed: fujisaki [at] syce.net 20040715 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.47.162.0/23 descr: NTT Network Service Systems Laboratories X-Keiro:noc [at] nttv6.net origin: AS4697 notify: noc [at] nttv6.net mnt-by: MAINT-AS4697 changed: noc [at] nttv6.net 20230721 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.47.164.0/23 descr: NTT Network Service Systems Laboratories X-Keiro:noc [at] nttv6.net origin: AS4697 notify: noc [at] nttv6.net mnt-by: MAINT-AS4697 changed: noc [at] nttv6.net 20230721 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.47.164.0/23 descr: NTT-IPv6-IPv4-DUAL-NW origin: AS4697 notify: vrr [at] nttv6.net mnt-by: MAINT-JP-NTTLABS changed: fujisaki [at] syce.net 20040715 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.47.174.0/23 descr: NTT Network Service Systems Laboratories X-Keiro:noc [at] nttv6.net origin: AS4697 notify: noc [at] nttv6.net mnt-by: MAINT-AS4710 changed: noc [at] nttv6.net 20230721 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.47.176.0/22 descr: NTT Network Service Systems Laboratories X-Keiro:noc [at] nttv6.net origin: AS4697 notify: noc [at] nttv6.net mnt-by: MAINT-AS4710 changed: noc [at] nttv6.net 20230721 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.172.237.0/24 descr: NTT Network Service Systems Laboratories X-Keiro:noc [at] nttv6.net origin: AS4697 notify: noc [at] nttv6.net mnt-by: MAINT-AS4697 changed: noc [at] nttv6.net 20230721 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.172.237.0/24 descr: NTT-IPv6-IPv4-DUAL-NW origin: AS4697 notify: vrr [at] nttv6.net mnt-by: MAINT-JP-NTTLABS changed: fujisaki [at] syce.net 20060202 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:fa8::/32 descr: NTT Network Service Systems Laboratories X-Keiro:noc [at] nttv6.net origin: AS4697 notify: noc [at] nttv6.net mnt-by: MAINT-AS4697 changed: noc [at] nttv6.net 20230721 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:fa8::/32 descr: proxy route6 registration by AS2914 origin: AS4697 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