AS3257 63.141.200.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204863.141.200.0/2463.141.201.0/2463.141.202.0/2463.141.203.0/2463.141.204.0/2463.141.205.0/2463.141.206.0/2463.141.207.0/24