AS3257 142.252.128.0/20 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 4094Addressable IPs: 4096142.252.128.0/24142.252.129.0/24142.252.130.0/24142.252.131.0/24142.252.132.0/24142.252.133.0/24142.252.134.0/24142.252.135.0/24142.252.136.0/24142.252.137.0/24142.252.138.0/24142.252.139.0/24142.252.140.0/24142.252.141.0/24142.252.142.0/24142.252.143.0/24