AS3257 208.97.192.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 2048208.97.192.0/24208.97.193.0/24208.97.194.0/24208.97.195.0/24208.97.196.0/24208.97.197.0/24208.97.198.0/24208.97.199.0/24