AS3491 63.218.128.0/21 CIDR and IP Range Summary.ASN: 3491 - PCCW Global Inc.Host Count: 2046Addressable IPs: 204863.218.128.0/2463.218.129.0/2463.218.130.0/2463.218.131.0/2463.218.132.0/2463.218.133.0/2463.218.134.0/2463.218.135.0/24