AS23724 119.57.144.0/20 CIDR and IP Range Summary.ASN: 23724 - IDC China Telecommunications CorporationHost Count: 4094Addressable IPs: 4096119.57.144.0/24119.57.145.0/24119.57.146.0/24119.57.147.0/24119.57.148.0/24119.57.149.0/24119.57.150.0/24119.57.151.0/24119.57.152.0/24119.57.153.0/24119.57.154.0/24119.57.155.0/24119.57.156.0/24119.57.157.0/24119.57.158.0/24119.57.159.0/24