AS4809 221.231.11.48/28 CIDR and IP Range Summary.ASN: 4809 - China Telecom Next Generation Carrier NetworkHost Count: 14Addressable IPs: 16 221.231.11.49221.231.11.50221.231.11.51221.231.11.52221.231.11.53221.231.11.54221.231.11.55221.231.11.56221.231.11.57221.231.11.58221.231.11.59221.231.11.60221.231.11.61221.231.11.62221.231.11.63221.231.11.64