AS52974 177.38.240.0/21 CIDR and IP Range Summary.ASN: 52974 - Henet Telecomunicacoes LtdaHost Count: 2046Addressable IPs: 2048177.38.240.0/24177.38.241.0/24177.38.242.0/24177.38.243.0/24177.38.244.0/24177.38.245.0/24177.38.246.0/24177.38.247.0/24