AS17816 157.148.168.0/21 CIDR and IP Range Summary.ASN: 17816 - China UnicomHost Count: 2046Addressable IPs: 2048157.148.168.0/24157.148.169.0/24157.148.170.0/24157.148.171.0/24157.148.172.0/24157.148.173.0/24157.148.174.0/24157.148.175.0/24