AS3257 206.217.96.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 2048206.217.96.0/24206.217.97.0/24206.217.98.0/24206.217.99.0/24206.217.100.0/24206.217.101.0/24206.217.102.0/24206.217.103.0/24