AS28573 179.157.16.0/21 CIDR and IP Range Summary.ASN: 28573 - Claro NXT Telecomunicacoes LtdaHost Count: 2046Addressable IPs: 2048179.157.16.0/24179.157.17.0/24179.157.18.0/24179.157.19.0/24179.157.20.0/24179.157.21.0/24179.157.22.0/24179.157.23.0/24