These entries are queried from radb.net using whois, you can try my project getting these.
:AS53072 route: 187.86.240.0/20 descr: G8 Customer Proxy Route origin: AS53072 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210113 source: RADB last-modified: 2023-11-13T16:03:23Z rpki-ov-state: valid route: 187.86.240.0/20 origin: AS53072 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: bgp [at] inetvip.com.br mnt-by: MAINT-AS53072 source: TC last-modified: 2021-11-26T16:00:50Z rpki-ov-state: valid route: 187.86.240.0/22 origin: AS53072 descr: Customer American Tower mnt-by: MAINT-AS23106 changed: bgp.fibra [at] americantower.com 20200706 #16:15:41Z source: RADB last-modified: 2023-11-13T16:11:41Z rpki-ov-state: valid route: 187.86.244.0/22 origin: AS53072 descr: Customer American Tower mnt-by: MAINT-AS23106 changed: bgp.fibra [at] americantower.com 20200706 #16:18:41Z source: RADB last-modified: 2023-11-13T16:11:41Z rpki-ov-state: valid route: 187.86.248.0/22 origin: AS53072 descr: Customer American Tower mnt-by: MAINT-AS23106 changed: bgp.fibra [at] americantower.com 20200706 #16:19:55Z source: RADB last-modified: 2023-11-13T16:11:41Z rpki-ov-state: valid route: 187.86.252.0/22 origin: AS53072 descr: Customer American Tower mnt-by: MAINT-AS23106 changed: bgp.fibra [at] americantower.com 20200706 #16:20:27Z source: RADB last-modified: 2023-11-13T16:11:41Z rpki-ov-state: valid route: 200.6.44.0/22 origin: AS53072 descr: Customer American Tower. mnt-by: MAINT-AS23106 changed: bgp.fibra [at] americantower.com 20231109 #20:20:57Z source: RADB last-modified: 2023-11-13T16:19:30Z rpki-ov-state: valid route6: 2804:584::/32 origin: AS53072 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: bgp [at] inetvip.com.br mnt-by: MAINT-AS53072 source: TC last-modified: 2021-11-26T16:00:50Z rpki-ov-state: valid route6: 2804:584::/32 descr: G8 Customer Proxy Route origin: AS53072 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210113 source: RADB last-modified: 2023-11-13T16:03:23Z rpki-ov-state: valid