AS52660 177.66.248.0/21 CIDR and IP Range Summary.ASN: 52660 - E.Serv Informatica e Tecnologia Ltda.Host Count: 2046Addressable IPs: 2048177.66.248.0/24177.66.249.0/24177.66.250.0/24177.66.251.0/24177.66.252.0/24177.66.253.0/24177.66.254.0/24177.66.255.0/24