AS138421 140.207.208.0/20 CIDR and IP Range Summary.ASN: 138421 - China UnicomHost Count: 4094Addressable IPs: 4096140.207.208.0/24140.207.209.0/24140.207.210.0/24140.207.211.0/24140.207.212.0/24140.207.213.0/24140.207.214.0/24140.207.215.0/24140.207.216.0/24140.207.217.0/24140.207.218.0/24140.207.219.0/24140.207.220.0/24140.207.221.0/24140.207.222.0/24140.207.223.0/24