These entries are queried from radb.net using whois, you can try my project getting these.
:AS17693 route: 103.2.24.0/22 descr: NEKONET-CIDR10 origin: AS17693 notify: idcop [at] nekonet.co.jp mnt-by: MAINT-AS10010 changed: NOC-INFO [at] tokai-grp.co.jp 20230510 source: RADB last-modified: 2023-11-13T16:17:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.2.24.0/22 descr: NEKONET-CIDR10 origin: AS17693 notify: idcop [at] nekonet.co.jp mnt-by: MAINT-AS10010 changed: NOC-INFO [at] tokai-grp.co.jp 20230511 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.40.0.0/20 descr: NEKONET-CIDR01 origin: AS17693 notify: peer [at] sakura.ad.jp mnt-by: MAINT-AS7684 changed: peer [at] sakura.ad.jp 20230901 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.40.0.0/20 descr: NEKONET-CIDR01 origin: AS17693 notify: asop [at] nekonet.ad.jp mnt-by: MAINT-AS17693 changed: mkumata [at] nekonet.co.jp 20011005 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: 218.40.13.0/24 descr: NEKONET-CIDR02 origin: AS17693 notify: idcop [at] nekonet.co.jp mnt-by: MAINT-AS10010 changed: IP-NET [at] tokai-grp.co.jp 20120201 source: RADB last-modified: 2023-11-13T15:41:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.40.13.0/24 descr: NEKONET-CIDR02 origin: AS17693 notify: peer [at] sakura.ad.jp mnt-by: MAINT-AS7684 changed: peer [at] sakura.ad.jp 20230901 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.40.15.0/24 descr: NEKONET-CIDR03 origin: AS17693 notify: idcop [at] nekonet.co.jp mnt-by: MAINT-AS10010 changed: IP-NET [at] tokai-grp.co.jp 20120201 source: RADB last-modified: 2023-11-13T15:41:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.40.15.0/24 descr: NEKONET-CIDR03 origin: AS17693 notify: peer [at] sakura.ad.jp mnt-by: MAINT-AS7684 changed: peer [at] sakura.ad.jp 20230901 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.100.32.0/22 descr: NEKONET-CIDR20 origin: AS17693 notify: idcop [at] nekonet.co.jp notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20141023 source: RADB last-modified: 2023-11-13T15:46:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.100.32.0/24 descr: NEKONET-CIDR21 origin: AS17693 notify: idcop [at] nekonet.co.jp notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20141023 source: RADB last-modified: 2023-11-13T15:46:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.100.33.0/24 descr: NEKONET-CIDR22 origin: AS17693 notify: idcop [at] nekonet.co.jp notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20141023 source: RADB last-modified: 2023-11-13T15:46:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.100.34.0/24 descr: NEKONET-CIDR23 origin: AS17693 notify: idcop [at] nekonet.co.jp notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20141023 source: RADB last-modified: 2023-11-13T15:46:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.100.35.0/24 descr: NEKONET-CIDR24 origin: AS17693 notify: idcop [at] nekonet.co.jp notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20141023 source: RADB last-modified: 2023-11-13T15:46:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2400:7b00::/32 descr: NEKONET-CIDR8010 origin: AS17693 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20231013 source: RADB last-modified: 2023-11-13T16:19:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source