AS28573 181.216.224.0/20 CIDR and IP Range Summary.ASN: 28573 - Claro NXT Telecomunicacoes LtdaHost Count: 4094Addressable IPs: 4096181.216.224.0/24181.216.225.0/24181.216.226.0/24181.216.227.0/24181.216.228.0/24181.216.229.0/24181.216.230.0/24181.216.231.0/24181.216.232.0/24181.216.233.0/24181.216.234.0/24181.216.235.0/24181.216.236.0/24181.216.237.0/24181.216.238.0/24181.216.239.0/24