These entries are queried from radb.net using whois, you can try my project getting these.
:AS16671 route: 208.88.31.0/24 origin: AS16671 descr: Coloblox Data Centers customer readvertised route admin-c: CB-RADB tech-c: CB-RADB notify: nettech [at] coloblox.com mnt-by: MAINT-AS6597 changed: nettech [at] coloblox.com 20220825 #05:54:07Z source: RADB last-modified: 2023-11-13T16:12:12Z rpki-ov-state: valid