AS23724 221.122.208.0/20 CIDR and IP Range Summary.ASN: 23724 - IDC China Telecommunications CorporationHost Count: 4094Addressable IPs: 4096221.122.208.0/24221.122.209.0/24221.122.210.0/24221.122.211.0/24221.122.212.0/24221.122.213.0/24221.122.214.0/24221.122.215.0/24221.122.216.0/24221.122.217.0/24221.122.218.0/24221.122.219.0/24221.122.220.0/24221.122.221.0/24221.122.222.0/24221.122.223.0/24