These entries are queried from radb.net using whois, you can try my project getting these.
:AS14703 route: 38.254.12.0/22 origin: AS14703 descr: Route Registered for Cogent Communications Customer - Marquette-Adams Telephone Cooperative, Inc geoidx: US mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230905 source: RADB last-modified: 2023-11-13T16:18:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.32.0/20 origin: AS14703 descr: 113 N Oxford Street P.O. Box 45 Oxford WI 53952-0045 United States admin-c: ACL36-ARIN tech-c: ACL36-ARIN mnt-by: MNT-MRAD created: 2021-06-22T18:59:45Z last-modified: 2021-06-22T18:59:45Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.32.0/20 descr: Marquette Adams origin: AS14703 mnt-by: MAINT-AS11796 changed: kable [at] wins.net 20110512 #20:39:02Z source: RADB last-modified: 2024-03-04T21:00:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.32.0/22 origin: AS14703 descr: Marquette Adams mnt-by: MAINT-AS11796 changed: charles.monson [at] wintechnology.com 20200930 #18:58:01Z source: RADB last-modified: 2024-03-04T21:00:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.32.0/22 origin: AS14703 descr: 113 N Oxford Street P.O. Box 45 Oxford WI 53952-0045 United States admin-c: ACL36-ARIN tech-c: ACL36-ARIN mnt-by: MNT-MRAD created: 2021-06-22T19:00:15Z last-modified: 2021-06-22T19:00:15Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.36.0/22 origin: AS14703 descr: 113 N Oxford Street P.O. Box 45 Oxford WI 53952-0045 United States admin-c: ACL36-ARIN tech-c: ACL36-ARIN mnt-by: MNT-MRAD created: 2021-06-22T19:00:35Z last-modified: 2021-06-22T19:00:35Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.36.0/22 origin: AS14703 descr: Marquette Adams mnt-by: MAINT-AS11796 changed: charles.monson [at] wintechnology.com 20200930 #18:58:37Z source: RADB last-modified: 2024-03-04T21:00:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.40.0/21 origin: AS14703 descr: Marquette Adams mnt-by: MAINT-AS11796 changed: charles.monson [at] wintechnology.com 20200930 #18:59:08Z source: RADB last-modified: 2024-03-04T21:00:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.40.0/21 origin: AS14703 descr: 113 N Oxford Street P.O. Box 45 Oxford WI 53952-0045 United States admin-c: ACL36-ARIN tech-c: ACL36-ARIN mnt-by: MNT-MRAD created: 2021-06-22T19:00:57Z last-modified: 2021-06-22T19:00:57Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.206.48.0/20 origin: AS14703 descr: 113 N Oxford Street P.O. Box 45 Oxford WI 53952-0045 United States admin-c: ACL36-ARIN tech-c: ACL36-ARIN mnt-by: MNT-MRAD created: 2021-06-22T19:01:21Z last-modified: 2021-06-22T19:01:21Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.206.48.0/20 descr: Marquette Adams origin: AS14703 mnt-by: MAINT-AS11796 changed: kable [at] wins.net 20110512 #20:39:50Z source: RADB last-modified: 2024-03-04T21:00:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.206.48.0/21 origin: AS14703 descr: 113 N Oxford Street P.O. Box 45 Oxford WI 53952-0045 United States admin-c: ACL36-ARIN tech-c: ACL36-ARIN mnt-by: MNT-MRAD created: 2021-06-22T19:01:48Z last-modified: 2021-06-22T19:01:48Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.206.48.0/21 origin: AS14703 descr: Marquette Adams mnt-by: MAINT-AS11796 changed: charles.monson [at] wintechnology.com 20200930 #18:59:52Z source: RADB last-modified: 2024-03-04T21:00:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.206.56.0/21 origin: AS14703 descr: Marquette Adams mnt-by: MAINT-AS11796 changed: charles.monson [at] wintechnology.com 20200930 #19:00:27Z source: RADB last-modified: 2024-03-04T21:00:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.206.56.0/21 origin: AS14703 descr: 113 N Oxford Street P.O. Box 45 Oxford WI 53952-0045 United States admin-c: ACL36-ARIN tech-c: ACL36-ARIN mnt-by: MNT-MRAD created: 2021-06-22T19:02:05Z last-modified: 2021-06-22T19:02:05Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source