AS3257 74.199.224.0/19 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 8190Addressable IPs: 819274.199.224.0/2474.199.225.0/2474.199.226.0/2474.199.227.0/2474.199.228.0/2474.199.229.0/2474.199.230.0/2474.199.231.0/2474.199.232.0/2474.199.233.0/2474.199.234.0/2474.199.235.0/2474.199.236.0/2474.199.237.0/2474.199.238.0/2474.199.239.0/2474.199.240.0/2474.199.241.0/2474.199.242.0/2474.199.243.0/2474.199.244.0/2474.199.245.0/2474.199.246.0/2474.199.247.0/2474.199.248.0/2474.199.249.0/2474.199.250.0/2474.199.251.0/2474.199.252.0/2474.199.253.0/2474.199.254.0/2474.199.255.0/24