AS3491 206.161.208.0/21 CIDR and IP Range Summary.ASN: 3491 - PCCW Global Inc.Host Count: 2046Addressable IPs: 2048206.161.208.0/24206.161.209.0/24206.161.210.0/24206.161.211.0/24206.161.212.0/24206.161.213.0/24206.161.214.0/24206.161.215.0/24