AS17816 157.122.232.0/21 CIDR and IP Range Summary.ASN: 17816 - China UnicomHost Count: 2046Addressable IPs: 2048157.122.232.0/24157.122.233.0/24157.122.234.0/24157.122.235.0/24157.122.236.0/24157.122.237.0/24157.122.238.0/24157.122.239.0/24