AS152194 137.220.136.0/21 CIDR and IP Range Summary.ASN: 152194 - CTG Server LimitedHost Count: 2046Addressable IPs: 2048137.220.136.0/24137.220.137.0/24137.220.138.0/24137.220.139.0/24137.220.140.0/24137.220.141.0/24137.220.142.0/24137.220.143.0/24