AS28573 177.64.112.0/21 CIDR and IP Range Summary.ASN: 28573 - Claro NXT Telecomunicacoes LtdaHost Count: 2046Addressable IPs: 2048177.64.112.0/24177.64.113.0/24177.64.114.0/24177.64.115.0/24177.64.116.0/24177.64.117.0/24177.64.118.0/24177.64.119.0/24