AS3491 206.161.224.0/21 CIDR and IP Range Summary.ASN: 3491 - PCCW Global Inc.Host Count: 2046Addressable IPs: 2048206.161.224.0/24206.161.225.0/24206.161.226.0/24206.161.227.0/24206.161.228.0/24206.161.229.0/24206.161.230.0/24206.161.231.0/24