AS3491 63.217.224.0/21 CIDR and IP Range Summary.ASN: 3491 - PCCW Global Inc.Host Count: 2046Addressable IPs: 204863.217.224.0/2463.217.225.0/2463.217.226.0/2463.217.227.0/2463.217.228.0/2463.217.229.0/2463.217.230.0/2463.217.231.0/24