These entries are queried from radb.net using whois, you can try my project getting these.
:AS52454 route: 201.222.60.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS52454 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: fospina [at] columbus.co 20130405 source: RADB last-modified: 2023-11-13T15:55:48Z rpki-ov-state: valid