AS4809 123.101.0.0/21 CIDR and IP Range Summary.ASN: 4809 - China Telecom Next Generation Carrier NetworkHost Count: 2046Addressable IPs: 2048123.101.0.0/24123.101.1.0/24123.101.2.0/24123.101.3.0/24123.101.4.0/24123.101.5.0/24123.101.6.0/24123.101.7.0/24