AS3257 149.126.104.0/21 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 2046Addressable IPs: 2048149.126.104.0/24149.126.105.0/24149.126.106.0/24149.126.107.0/24149.126.108.0/24149.126.109.0/24149.126.110.0/24149.126.111.0/24