These entries are queried from radb.net using whois, you can try my project getting these.
:AS19635 route: 24.233.192.0/21 descr: RR-RC-SANDHILL TELEPHONE DBA SANDHILL CONNEXTIONS-Carolinas origin: AS19635 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200124 #16:29:15Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.83.176.0/21 origin: AS19635 descr: Route Registered for Cogent Communications Customer - Sandhill Telephone Cooperative, Inc. geoidx: US mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20211015 #20:26:50Z source: RADB last-modified: 2023-11-13T16:08:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.83.184.0/21 origin: AS19635 descr: Route Registered for Cogent Communications Customer - Sandhill Telephone Cooperative, Inc. geoidx: US mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230106 #21:46:20Z source: RADB last-modified: 2023-11-13T16:13:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.10.81.0/24 descr: AS19635 proxy-registered route by Cogent origin: AS19635 remarks: Proxy-registered route object remarks: for Cogent customer notify: neteng [at] cogentco.com mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20031230 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.82.248.0/24 descr: RR-RC-Sandhill Telephone-Carolinas origin: AS19635 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.82.249.0/24 descr: RR-RC-Sandhill Telephone-Carolinas origin: AS19635 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.82.250.0/24 descr: RR-RC-Sandhill Telephone-Carolinas origin: AS19635 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.116.90.0/24 descr: RR-RC-SANDHILL TELEPHONE DBA SANDHILL CONNEXTIONS-CAROLINA origin: AS19635 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20190403 #15:54:47Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2607:b380::/32 origin: AS19635 descr: Proxy for Sandhill Telephone Cooperative, Inc. mnt-by: MAINT-AS2711 changed: kevin.billings [at] segra.com 20200505 #12:16:58Z source: RADB last-modified: 2023-11-13T16:00:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source