AS137697 58.220.48.0/22 CIDR and IP Range Summary.ASN: 137697 - CHINATELECOM JiangSu YangZhou IDC networkdescr: YangZhouJiangsu Province P.R.China.Host Count: 1022Addressable IPs: 102458.220.48.0/2458.220.49.0/2458.220.50.0/2458.220.51.0/24