These entries are queried from radb.net using whois, you can try my project getting these.
:AS398946 route: 23.226.117.0/24 origin: AS398946 mnt-by: MNT-CTL-248 descr: ContentKeeper Technologies tech-c: RILEY327-ARIN admin-c: RILEY327-ARIN source: ARIN created: 2020-10-21T03:47:26Z last-modified: 2020-10-21T03:47:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.65.81.0/24 origin: AS398946 descr: Route Registered for Cogent Communications Customer - ContentKeeper Technologies geoidx: US mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20220418 source: RADB last-modified: 2023-11-13T16:10:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.71.10.0/24 origin: AS398946 descr: Route Registered for Cogent Communications - ContentKeeper Technologies mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20201110 source: RADB last-modified: 2023-11-13T16:02:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.71.12.0/23 origin: AS398946 descr: Route Registered for Cogent Communications - ContentKeeper Technologies mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20201110 source: RADB last-modified: 2023-11-13T16:02:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.71.12.0/24 origin: AS398946 descr: Route Registered for Cogent Communications - ContentKeeper Technologies mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20201110 source: RADB last-modified: 2023-11-13T16:02:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.71.13.0/24 origin: AS398946 descr: Route Registered for Cogent Communications - ContentKeeper Technologies mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20201110 source: RADB last-modified: 2023-11-13T16:02:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.86.198.0/23 origin: AS398946 descr: Route Registered for Cogent Communications - ContentKeeper Technologies mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20201110 source: RADB last-modified: 2023-11-13T16:02:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.86.198.0/24 origin: AS398946 descr: Route Registered for Cogent Communications - ContentKeeper Technologies mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20201110 source: RADB last-modified: 2023-11-13T16:02:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.86.199.0/24 origin: AS398946 descr: Route Registered for Cogent Communications - ContentKeeper Technologies mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20201110 source: RADB last-modified: 2023-11-13T16:02:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.86.210.0/24 origin: AS398946 descr: Route Registered for Cogent Communications Customer - ContentKeeper Technologies geoidx: US mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230929 source: RADB last-modified: 2023-11-13T16:18:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.96.252.0/24 origin: AS398946 descr: Route Registered for Cogent Communications Customer - ContentKeeper Technologies geoidx: US mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230929 source: RADB last-modified: 2023-11-13T16:18:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.133.217.0/24 origin: AS398946 descr: Route Registered for Cogent Communications Customer - ContentKeeper Technologies geoidx: US mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20220418 source: RADB last-modified: 2023-11-13T16:10:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.5.68.0/24 origin: AS398946 descr: Route Registered for Cogent Communications Customer - Impero Solutions Limited geoidx: GB mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230119 source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.5.108.0/23 origin: AS398946 descr: Route Registered for Cogent Communications Customer - Impero Solutions Limited geoidx: GB mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230119 source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.5.113.0/24 origin: AS398946 descr: Route Registered for Cogent Communications Customer - Impero Solutions Limited geoidx: GB mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230119 source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.60.80.0/23 origin: AS398946 descr: Route Registered for Cogent Communications Customer - Impero Solutions Limited geoidx: GB mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230119 source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:808:2000::/48 origin: AS398946 mnt-by: MNT-CTL-248 descr: ContentKeeper Technologies tech-c: RILEY327-ARIN admin-c: RILEY327-ARIN remarks: IPv6 subnet 1 source: ARIN created: 2020-11-20T03:31:26Z last-modified: 2020-11-20T03:31:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:808:2001::/48 origin: AS398946 mnt-by: MNT-CTL-248 descr: ContentKeeper Technologies tech-c: RILEY327-ARIN admin-c: RILEY327-ARIN remarks: IPv6 subnet 2 source: ARIN created: 2020-11-20T03:32:19Z last-modified: 2020-11-20T03:32:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:808:2002::/48 origin: AS398946 descr: IPv6 subnet 3 admin-c: RILEY327-ARIN tech-c: RILEY327-ARIN mnt-by: MNT-CTL-248 created: 2023-03-15T12:18:46Z last-modified: 2023-03-15T12:18:46Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:808:2003::/48 origin: AS398946 descr: IPv6 subnet 4 admin-c: RILEY327-ARIN tech-c: RILEY327-ARIN mnt-by: MNT-CTL-248 created: 2023-03-15T12:19:37Z last-modified: 2023-03-15T12:19:37Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source