AS3257 135.196.240.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 4096135.196.240.0/24135.196.241.0/24135.196.242.0/24135.196.243.0/24135.196.244.0/24135.196.245.0/24135.196.246.0/24135.196.247.0/24135.196.248.0/24135.196.249.0/24135.196.250.0/24135.196.251.0/24135.196.252.0/24135.196.253.0/24135.196.254.0/24135.196.255.0/24