AS3257 206.217.80.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 4096206.217.80.0/24206.217.81.0/24206.217.82.0/24206.217.83.0/24206.217.84.0/24206.217.85.0/24206.217.86.0/24206.217.87.0/24206.217.88.0/24206.217.89.0/24206.217.90.0/24206.217.91.0/24206.217.92.0/24206.217.93.0/24206.217.94.0/24206.217.95.0/24