AS3257 93.157.216.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 204893.157.216.0/2493.157.217.0/2493.157.218.0/2493.157.219.0/2493.157.220.0/2493.157.221.0/2493.157.222.0/2493.157.223.0/24