AS3257 173.241.128.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 4096173.241.128.0/24173.241.129.0/24173.241.130.0/24173.241.131.0/24173.241.132.0/24173.241.133.0/24173.241.134.0/24173.241.135.0/24173.241.136.0/24173.241.137.0/24173.241.138.0/24173.241.139.0/24173.241.140.0/24173.241.141.0/24173.241.142.0/24173.241.143.0/24