AS6503 148.243.136.0/21 CIDR and IP Range Summary.ASN: 6503 - Latin American and Caribbean IP Address Regional RegistryHost Count: 2046Addressable IPs: 2048148.243.136.0/24148.243.137.0/24148.243.138.0/24148.243.139.0/24148.243.140.0/24148.243.141.0/24148.243.142.0/24148.243.143.0/24