AS23724 220.243.144.0/20 CIDR and IP Range Summary.ASN: 23724 - IDC China Telecommunications CorporationHost Count: 4094Addressable IPs: 4096220.243.144.0/24220.243.145.0/24220.243.146.0/24220.243.147.0/24220.243.148.0/24220.243.149.0/24220.243.150.0/24220.243.151.0/24220.243.152.0/24220.243.153.0/24220.243.154.0/24220.243.155.0/24220.243.156.0/24220.243.157.0/24220.243.158.0/24220.243.159.0/24