These entries are queried from radb.net using whois, you can try my project getting these.
:AS131917 route: 38.106.60.0/24 origin: AS131917 descr: Route Registered for Cogent Communications Customer - Toshiba I.S. Corporation geoidx: US mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20210406 #13:18:46Z source: RADB last-modified: 2023-11-13T16:05:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.91.184.0/24 descr: Toshiba I.S. corpration origin: AS131917 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20220323 source: RADB last-modified: 2023-11-13T16:10:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.91.184.0/24 descr: Toshiba I.S. corpration origin: AS131917 notify: katsuhiro.nigorikawa.f50 [at] mail.toshiba mnt-by: MAINT-AS131917 changed: katsuhiro.nigorikawa.f50 [at] mail.toshiba 20240305 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.147.244.0/24 descr: Toshiba I.S. corpration origin: AS131917 notify: katsuhiro.nigorikawa.f50 [at] mail.toshiba mnt-by: MAINT-AS131917 changed: katsuhiro.nigorikawa.f50 [at] mail.toshiba 20240305 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.147.244.0/24 descr: Toshiba I.S. corpration origin: AS131917 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20220323 source: RADB last-modified: 2023-11-13T16:10:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.18.65.0/24 origin: AS131917 descr: Route Registered for Cogent Communications Customer Toshiba I.S. Corporation mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20190509 #16:02:00Z source: RADB last-modified: 2023-11-13T15:56:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.18.67.0/24 origin: AS131917 descr: Route Registered for Cogent Communications Customer Toshiba I.S. Corporation mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20200203 #09:34:47Z source: RADB last-modified: 2023-11-13T15:59:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.59.149.0/24 origin: AS131917 descr: Route Registered for Cogent Communications Customer - Toshiba I.S. Corporation geoidx: JP mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20210406 #13:17:51Z source: RADB last-modified: 2023-11-13T16:05:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source