AS3561 63.128.48.0/20 CIDR and IP Range Summary.ASN: 3561 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 409663.128.48.0/2463.128.49.0/2463.128.50.0/2463.128.51.0/2463.128.52.0/2463.128.53.0/2463.128.54.0/2463.128.55.0/2463.128.56.0/2463.128.57.0/2463.128.58.0/2463.128.59.0/2463.128.60.0/2463.128.61.0/2463.128.62.0/2463.128.63.0/24