AS17816 27.40.0.0/21 CIDR and IP Range Summary.ASN: 17816 - China UnicomHost Count: 2046Addressable IPs: 204827.40.0.0/2427.40.1.0/2427.40.2.0/2427.40.3.0/2427.40.4.0/2427.40.5.0/2427.40.6.0/2427.40.7.0/24