These entries are queried from radb.net using whois, you can try my project getting these.
:AS271950 route: 38.51.62.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS271950 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: giovanna.castro [at] cwc.com 20220805 source: RADB last-modified: 2023-11-13T16:12:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2803:610::/32 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS271950 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: giovanna.castro [at] cwc.com 20220805 source: RADB last-modified: 2023-11-13T16:12:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2803:d610::/32 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS271950 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: gersain.rendon [at] cwc.com 20220613 source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source