AS4809 220.191.176.0/21 CIDR and IP Range Summary.ASN: 4809 - China Telecom Next Generation Carrier NetworkHost Count: 2046Addressable IPs: 2048220.191.176.0/24220.191.177.0/24220.191.178.0/24220.191.179.0/24220.191.180.0/24220.191.181.0/24220.191.182.0/24220.191.183.0/24