These entries are queried from radb.net using whois, you can try my project getting these.
:AS271293 route: 170.233.240.0/22 origin: AS271293 descr: NB TELECOM proxy-registered route object for customer AS271293 mnt-by: MAINT-AS28338 changed: noc [at] nbtelecom.com.br 20210318 #14:24:37Z source: RADB last-modified: 2023-11-13T16:05:23Z rpki-ov-state: valid route6: 2804:793c::/32 origin: AS271293 descr: Customer American Tower. mnt-by: MAINT-AS23106 changed: bgp.fibra [at] americantower.com 20230616 #15:03:30Z source: RADB last-modified: 2023-11-13T16:17:30Z rpki-ov-state: valid