These entries are queried from radb.net using whois, you can try my project getting these.
:AS9601 route: 58.84.240.0/21 descr: Niigata Communication Service X-Keiro: nozomi [at] ncom.ad.jp origin: AS9601 notify: nozomi [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: nozomi [at] ncom.ad.jp 20230703 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 58.84.250.0/23 descr: Niigata Communication Service X-Keiro: nozomi [at] ncom.ad.jp origin: AS9601 notify: nozomi [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: nozomi [at] ncom.ad.jp 20230703 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 58.84.252.0/22 descr: Niigata Communication Service X-Keiro: nozomi [at] ncom.ad.jp origin: AS9601 notify: nozomi [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: nozomi [at] ncom.ad.jp 20230501 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 58.84.252.0/23 descr: Niigata Communication Service X-Keiro: nozomi [at] ncom.ad.jp origin: AS9601 notify: nozomi [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: nozomi [at] ncom.ad.jp 20230703 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 114.134.32.0/19 descr: Niigata Communication Service X-Keiro: nozomi [at] ncom.ad.jp origin: AS9601 mnt-by: MAINT-AS7684 changed: hamasaki [at] sakura.ad.jp 20080912 source: RADB last-modified: 2023-11-13T15:39:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 114.134.32.0/19 descr: Niigata Communication Service X-Keiro: nozomi [at] ncom.ad.jp origin: AS9601 notify: nozomi [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: nozomi [at] ncom.ad.jp 20230703 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.48.160.0/22 descr: Niigata Communication Service origin: AS9601 notify: info [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: takeshi [at] NetIRD.AD.JP 20070824 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.48.160.0/22 descr: Shibata Networkservice, Inc origin: AS9601 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 20110731 source: RADB last-modified: 2023-11-13T15:41:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.48.160.0/22 descr: Shibata Networkservice, Inc origin: AS9601 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 20230315 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.229.48.0/20 descr: Niigata Communication Service origin: AS9601 notify: info [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: takeshi [at] NetIRD.AD.JP 20070824 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.229.48.0/20 descr: Niigata Communication Service X-Keiro: nozomi [at] ncom.ad.jp origin: AS9601 notify: nozomi [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: nozomi [at] ncom.ad.jp 20230703 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.12.192.0/19 descr: Shibata Networkservice, Inc origin: AS9601 notify: peer [at] sakura.ad.jp mnt-by: MAINT-AS7684 changed: tanaka [at] sakura.ad.jp 20020128 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.12.192.0/19 descr: Niigata Communication Service X-Keiro: nozomi [at] ncom.ad.jp origin: AS9601 notify: nozomi [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: nozomi [at] ncom.ad.jp 20230703 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.12.192.0/19 descr: Niigata Communication Service origin: AS9601 notify: info [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: takeshi [at] NetIRD.AD.JP 20070824 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.12.192.0/22 descr: Shibata Networkservice, Inc tech-c: SH060JP origin: AS9601 notify: honma [at] shibata.ad.jp mnt-by: MAINT-AS9601 changed: masuzawa [at] ntt.ocn.ne.jp 20020208 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.12.196.0/22 descr: Shibata Networkservice, Inc tech-c: SH060JP origin: AS9601 notify: honma [at] shibata.ad.jp mnt-by: MAINT-AS9601 changed: masuzawa [at] ntt.ocn.ne.jp 20020208 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.12.200.0/22 descr: Shibata Networkservice, Inc tech-c: SH060JP origin: AS9601 notify: honma [at] shibata.ad.jp mnt-by: MAINT-AS9601 changed: masuzawa [at] ntt.ocn.ne.jp 20020208 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.12.204.0/22 descr: Shibata Networkservice, Inc tech-c: SH060JP origin: AS9601 notify: honma [at] shibata.ad.jp mnt-by: MAINT-AS9601 changed: masuzawa [at] ntt.ocn.ne.jp 20020208 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.12.208.0/22 descr: Shibata Networkservice, Inc tech-c: SH060JP origin: AS9601 notify: honma [at] shibata.ad.jp mnt-by: MAINT-AS9601 changed: masuzawa [at] ntt.ocn.ne.jp 20020208 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.12.212.0/22 descr: Shibata Networkservice, Inc tech-c: SH060JP origin: AS9601 notify: honma [at] shibata.ad.jp mnt-by: MAINT-AS9601 changed: masuzawa [at] ntt.ocn.ne.jp 20020208 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.12.216.0/22 descr: Shibata Networkservice, Inc tech-c: SH060JP origin: AS9601 notify: honma [at] shibata.ad.jp mnt-by: MAINT-AS9601 changed: masuzawa [at] ntt.ocn.ne.jp 20020208 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.12.220.0/22 descr: Shibata Networkservice, Inc tech-c: SH060JP origin: AS9601 notify: honma [at] shibata.ad.jp mnt-by: MAINT-AS9601 changed: masuzawa [at] ntt.ocn.ne.jp 20020208 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.101.64.0/20 descr: Shibata Networkservice, Inc origin: AS9601 notify: peer [at] sakura.ad.jp mnt-by: MAINT-AS7684 changed: north [at] sakura.ad.jp 20020516 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.101.64.0/20 descr: Niigata Communication Service X-Keiro: nozomi [at] ncom.ad.jp origin: AS9601 notify: nozomi [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: nozomi [at] ncom.ad.jp 20230703 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.101.64.0/20 descr: Niigata Communication Service origin: AS9601 notify: info [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: takeshi [at] NetIRD.AD.JP 20070824 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:a800::/32 descr: Niigata Communication Service, IPv6 X-Keiro: nozomi [at] ncom.ad.jp origin: AS9601 notify: nozomi [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: nozomi [at] ncom.ad.jp 20230501 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:a800::/32 descr: Niigata Communication Service, IPv6 Address-block NO.1 origin: AS9601 mnt-by: MAINT-AS9601 notify: nozomi [at] ncom.ad.jp notify: irr [at] NetIRD.AD.JP changed: takeshi [at] NetIRD.AD.JP 20081211 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:a800::/33 descr: Niigata Communication Service, IPv6 X-Keiro: nozomi [at] ncom.ad.jp origin: AS9601 notify: nozomi [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: nozomi [at] ncom.ad.jp 20230801 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:a800:8000::/34 descr: Niigata Communication Service, IPv6 X-Keiro: nozomi [at] ncom.ad.jp origin: AS9601 notify: nozomi [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: nozomi [at] ncom.ad.jp 20230801 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:a800:c000::/35 descr: Niigata Communication Service, IPv6 X-Keiro: nozomi [at] ncom.ad.jp origin: AS9601 notify: nozomi [at] ncom.ad.jp mnt-by: MAINT-AS9601 changed: nozomi [at] ncom.ad.jp 20230801 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source