AS3257 23.234.128.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 409623.234.128.0/2423.234.129.0/2423.234.130.0/2423.234.131.0/2423.234.132.0/2423.234.133.0/2423.234.134.0/2423.234.135.0/2423.234.136.0/2423.234.137.0/2423.234.138.0/2423.234.139.0/2423.234.140.0/2423.234.141.0/2423.234.142.0/2423.234.143.0/24