These entries are queried from radb.net using whois, you can try my project getting these.
:AS53256 route: 38.41.96.0/20 origin: AS53256 descr: Route Registered for Cogent Communications Customer - Mulberry Cooperative Telephone CO Inc geoidx: US mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20220118 #15:11:25Z source: RADB last-modified: 2023-11-13T16:09:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.222.220.0/22 origin: AS53256 descr: Mulberry Cooperative Telephone CO Inc mnt-by: MAINT-AS11114 changed: jap [at] wintek.com 20221219 #15:49:26Z source: RADB last-modified: 2023-11-13T16:13:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.36.64.0/22 descr: Mulberry origin: AS53256 mnt-by: MAINT-AS11114 changed: tlb [at] wintek.com 20180924 #02:39:33Z source: RADB last-modified: 2023-11-13T15:54:43Z rpki-ov-state: valid route: 208.103.32.0/21 descr: Mulberry origin: AS53256 mnt-by: MAINT-AS11114 changed: tlb [at] wintek.com 20180924 #02:40:43Z source: RADB last-modified: 2023-11-13T15:54:43Z rpki-ov-state: valid route: 216.21.184.0/21 descr: Mulberry origin: AS53256 mnt-by: MAINT-AS11114 changed: tlb [at] wintek.com 20180924 #02:41:58Z source: RADB last-modified: 2023-11-13T15:54:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:a2c0::/32 descr: Mulberry IPv6 Allocation origin: AS53256 mnt-by: MAINT-AS32703 changed: msummers [at] ifncom.net 20180216 #18:33:55Z source: RADB last-modified: 2023-11-13T16:11:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source