AS3491 63.217.240.0/20 CIDR and IP Range Summary.ASN: 3491 - PCCW Global Inc.Host Count: 4094Addressable IPs: 409663.217.240.0/2463.217.241.0/2463.217.242.0/2463.217.243.0/2463.217.244.0/2463.217.245.0/2463.217.246.0/2463.217.247.0/2463.217.248.0/2463.217.249.0/2463.217.250.0/2463.217.251.0/2463.217.252.0/2463.217.253.0/2463.217.254.0/2463.217.255.0/24