These entries are queried from radb.net using whois, you can try my project getting these.
:AS9366 route: 160.239.0.0/16 descr: SOLITON-NET Main Route of Soliton Systems K.K. 2-4-3 Shinjyuku, Shinjyuku-ku, Tokyo 160-0022 Japan origin: AS9366 mnt-by: MAINT-AS9366 changed: minami [at] soliton.co.jp 19990622 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: 160.239.1.0/24 descr: SOLITON-NET-WWW WWW Segment of Soliton Systems K.K. 2-4-3 Shinjyuku, Shinjyuku-ku, Tokyo 160-0022 Japan origin: AS9366 mnt-by: MAINT-AS9366 changed: minami [at] soliton.co.jp 19990622 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: 160.239.10.0/24 descr: SOLITON-NET-TKY origin: AS9366 mnt-by: MAINT-AS9366 changed: fumihide.tateishi [at] soliton.co.jp 20131027 source: RADB last-modified: 2023-11-13T15:45:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.239.11.0/24 descr: SOLITON-NET-TKY origin: AS9366 mnt-by: MAINT-AS9366 changed: fumihide.tateishi [at] soliton.co.jp 20130606 source: RADB last-modified: 2023-11-13T15:45:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.239.12.0/24 descr: SOLITON-NET-TKY origin: AS9366 mnt-by: MAINT-AS9366 changed: fumihide.tateishi [at] soliton.co.jp 20130626 source: RADB last-modified: 2023-11-13T15:45:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.239.15.0/24 descr: SOLITON-NET-CS origin: AS9366 mnt-by: MAINT-AS9366 changed: tomohisa.yamamoto [at] soliton.co.jp 20060523 source: RADB last-modified: 2023-11-13T15:39:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.239.16.0/24 descr: SOLITON-NET-CS origin: AS9366 mnt-by: MAINT-AS9366 changed: tomohisa.yamamoto [at] soliton.co.jp 20060920 source: RADB last-modified: 2023-11-13T15:39:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.239.17.0/24 descr: SOLITON-NET-CS origin: AS9366 mnt-by: MAINT-AS9366 changed: tomohisa.yamamoto [at] soliton.co.jp 20060920 source: RADB last-modified: 2023-11-13T15:39:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.239.18.0/24 descr: SOLITON-NET-CS origin: AS9366 mnt-by: MAINT-AS9366 changed: tomohisa.yamamoto [at] soliton.co.jp 20071101 source: RADB last-modified: 2023-11-13T15:39:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.239.20.0/24 descr: SOLITON-NET-CS origin: AS9366 mnt-by: MAINT-AS9366 changed: fumihide.tateishi [at] soliton.co.jp 20120921 source: RADB last-modified: 2023-11-13T15:43:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.239.21.0/24 descr: SOLITON-NET-CS origin: AS9366 mnt-by: MAINT-AS9366 changed: fumihide.tateishi [at] soliton.co.jp 20120921 source: RADB last-modified: 2023-11-13T15:43:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.239.30.0/24 descr: SOLITON-NET-CS origin: AS9366 mnt-by: MAINT-AS9366 changed: fumihide.tateishi [at] soliton.co.jp 20120921 source: RADB last-modified: 2023-11-13T15:43:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.239.31.0/24 descr: SOLITON-NET-CS origin: AS9366 mnt-by: MAINT-AS9366 changed: fumihide.tateishi [at] soliton.co.jp 20130529 source: RADB last-modified: 2023-11-13T15:45:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.239.32.0/24 descr: SOLITON-NET-CS origin: AS9366 mnt-by: MAINT-AS9366 changed: fumihide.tateishi [at] soliton.co.jp 20130605 source: RADB last-modified: 2023-11-13T15:45:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.239.33.0/24 descr: SOLITON-NET-CS origin: AS9366 mnt-by: MAINT-AS9366 changed: fumihide.tateishi [at] soliton.co.jp 20140908 source: RADB last-modified: 2023-11-13T15:46:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.239.34.0/24 descr: SOLITON-NET-CS origin: AS9366 mnt-by: MAINT-AS9366 changed: fumihide.tateishi [at] soliton.co.jp 20140908 source: RADB last-modified: 2023-11-13T15:46:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.239.35.0/24 descr: SOLITON-NET-CS origin: AS9366 mnt-by: MAINT-AS9366 changed: fumihide.tateishi [at] soliton.co.jp 20140908 source: RADB last-modified: 2023-11-13T15:46:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source