AS3257 72.13.228.0/24 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 254Addressable IPs: 256 72.13.228.072.13.228.172.13.228.272.13.228.372.13.228.472.13.228.572.13.228.672.13.228.772.13.228.872.13.228.972.13.228.1072.13.228.1172.13.228.1272.13.228.1372.13.228.1472.13.228.1572.13.228.1672.13.228.1772.13.228.1872.13.228.1972.13.228.2072.13.228.2172.13.228.2272.13.228.2372.13.228.2472.13.228.2572.13.228.2672.13.228.2772.13.228.2872.13.228.2972.13.228.3072.13.228.3172.13.228.3272.13.228.3372.13.228.3472.13.228.3572.13.228.3672.13.228.3772.13.228.3872.13.228.3972.13.228.4072.13.228.4172.13.228.4272.13.228.4372.13.228.4472.13.228.4572.13.228.4672.13.228.4772.13.228.4872.13.228.4972.13.228.5072.13.228.5172.13.228.5272.13.228.5372.13.228.5472.13.228.5572.13.228.5672.13.228.5772.13.228.5872.13.228.5972.13.228.6072.13.228.6172.13.228.6272.13.228.6372.13.228.6472.13.228.6572.13.228.6672.13.228.6772.13.228.6872.13.228.6972.13.228.7072.13.228.7172.13.228.7272.13.228.7372.13.228.7472.13.228.7572.13.228.7672.13.228.7772.13.228.7872.13.228.7972.13.228.8072.13.228.8172.13.228.8272.13.228.8372.13.228.8472.13.228.8572.13.228.8672.13.228.8772.13.228.8872.13.228.8972.13.228.9072.13.228.9172.13.228.9272.13.228.9372.13.228.9472.13.228.9572.13.228.9672.13.228.9772.13.228.9872.13.228.9972.13.228.10072.13.228.10172.13.228.10272.13.228.10372.13.228.10472.13.228.10572.13.228.10672.13.228.10772.13.228.10872.13.228.10972.13.228.11072.13.228.11172.13.228.11272.13.228.11372.13.228.11472.13.228.11572.13.228.11672.13.228.11772.13.228.11872.13.228.11972.13.228.12072.13.228.12172.13.228.12272.13.228.12372.13.228.12472.13.228.12572.13.228.12672.13.228.12772.13.228.12872.13.228.12972.13.228.13072.13.228.13172.13.228.13272.13.228.13372.13.228.13472.13.228.13572.13.228.13672.13.228.13772.13.228.13872.13.228.13972.13.228.14072.13.228.14172.13.228.14272.13.228.14372.13.228.14472.13.228.14572.13.228.14672.13.228.14772.13.228.14872.13.228.14972.13.228.15072.13.228.15172.13.228.15272.13.228.15372.13.228.15472.13.228.15572.13.228.15672.13.228.15772.13.228.15872.13.228.15972.13.228.16072.13.228.16172.13.228.16272.13.228.16372.13.228.16472.13.228.16572.13.228.16672.13.228.16772.13.228.16872.13.228.16972.13.228.17072.13.228.17172.13.228.17272.13.228.17372.13.228.17472.13.228.17572.13.228.17672.13.228.17772.13.228.17872.13.228.17972.13.228.18072.13.228.18172.13.228.18272.13.228.18372.13.228.18472.13.228.18572.13.228.18672.13.228.18772.13.228.18872.13.228.18972.13.228.19072.13.228.19172.13.228.19272.13.228.19372.13.228.19472.13.228.19572.13.228.19672.13.228.19772.13.228.19872.13.228.19972.13.228.20072.13.228.20172.13.228.20272.13.228.20372.13.228.20472.13.228.20572.13.228.20672.13.228.20772.13.228.20872.13.228.20972.13.228.21072.13.228.21172.13.228.21272.13.228.21372.13.228.21472.13.228.21572.13.228.21672.13.228.21772.13.228.21872.13.228.21972.13.228.22072.13.228.22172.13.228.22272.13.228.22372.13.228.22472.13.228.22572.13.228.22672.13.228.22772.13.228.22872.13.228.22972.13.228.23072.13.228.23172.13.228.23272.13.228.23372.13.228.23472.13.228.23572.13.228.23672.13.228.23772.13.228.23872.13.228.23972.13.228.24072.13.228.24172.13.228.24272.13.228.24372.13.228.24472.13.228.24572.13.228.24672.13.228.24772.13.228.24872.13.228.24972.13.228.25072.13.228.25172.13.228.25272.13.228.25372.13.228.25472.13.228.255