AS28573 191.187.240.0/21 CIDR and IP Range Summary.ASN: 28573 - Claro NXT Telecomunicacoes LtdaHost Count: 2046Addressable IPs: 2048191.187.240.0/24191.187.241.0/24191.187.242.0/24191.187.243.0/24191.187.244.0/24191.187.245.0/24191.187.246.0/24191.187.247.0/24