AS28573 181.217.0.0/21 CIDR and IP Range Summary.ASN: 28573 - Claro NXT Telecomunicacoes LtdaHost Count: 2046Addressable IPs: 2048181.217.0.0/24181.217.1.0/24181.217.2.0/24181.217.3.0/24181.217.4.0/24181.217.5.0/24181.217.6.0/24181.217.7.0/24