These entries are queried from radb.net using whois, you can try my project getting these.
:AS397072 route: 23.173.160.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS397072 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: giovanna.castro [at] cwc.com 20190220 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.252.72.0/21 origin: AS397072 descr: Route Registered for Cogent Communications Customer - InNet Connections geoidx: PR mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230717 source: RADB last-modified: 2023-11-13T16:17:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.252.72.0/22 origin: AS397072 descr: OSNET Wireless IP Transit Client admin-c: RIVER6-ARIN tech-c: RIVER5-ARIN notify: tier2 [at] osnetpr.com mnt-by: MAINT-AS21559 changed: gtrejo [at] osnetpr.com 20230718 #13:22:22Z source: RADB last-modified: 2023-11-13T16:17:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:fe09::/36 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS397072 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: giovanna.castro [at] cwc.com 20190220 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source