AS137697 117.91.176.0/20 CIDR and IP Range Summary.ASN: 137697 - CHINATELECOM JiangSu YangZhou IDC networkdescr: YangZhouJiangsu Province P.R.China.Host Count: 4094Addressable IPs: 4096117.91.176.0/24117.91.177.0/24117.91.178.0/24117.91.179.0/24117.91.180.0/24117.91.181.0/24117.91.182.0/24117.91.183.0/24117.91.184.0/24117.91.185.0/24117.91.186.0/24117.91.187.0/24117.91.188.0/24117.91.189.0/24117.91.190.0/24117.91.191.0/24