AS3257 209.213.192.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 4096209.213.192.0/24209.213.193.0/24209.213.194.0/24209.213.195.0/24209.213.196.0/24209.213.197.0/24209.213.198.0/24209.213.199.0/24209.213.200.0/24209.213.201.0/24209.213.202.0/24209.213.203.0/24209.213.204.0/24209.213.205.0/24209.213.206.0/24209.213.207.0/24