AS11712 72.157.220.0/24 CIDR and IP Range Summary.ASN: 11712 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 72.157.220.072.157.220.172.157.220.272.157.220.372.157.220.472.157.220.572.157.220.672.157.220.772.157.220.872.157.220.972.157.220.1072.157.220.1172.157.220.1272.157.220.1372.157.220.1472.157.220.1572.157.220.1672.157.220.1772.157.220.1872.157.220.1972.157.220.2072.157.220.2172.157.220.2272.157.220.2372.157.220.2472.157.220.2572.157.220.2672.157.220.2772.157.220.2872.157.220.2972.157.220.3072.157.220.3172.157.220.3272.157.220.3372.157.220.3472.157.220.3572.157.220.3672.157.220.3772.157.220.3872.157.220.3972.157.220.4072.157.220.4172.157.220.4272.157.220.4372.157.220.4472.157.220.4572.157.220.4672.157.220.4772.157.220.4872.157.220.4972.157.220.5072.157.220.5172.157.220.5272.157.220.5372.157.220.5472.157.220.5572.157.220.5672.157.220.5772.157.220.5872.157.220.5972.157.220.6072.157.220.6172.157.220.6272.157.220.6372.157.220.6472.157.220.6572.157.220.6672.157.220.6772.157.220.6872.157.220.6972.157.220.7072.157.220.7172.157.220.7272.157.220.7372.157.220.7472.157.220.7572.157.220.7672.157.220.7772.157.220.7872.157.220.7972.157.220.8072.157.220.8172.157.220.8272.157.220.8372.157.220.8472.157.220.8572.157.220.8672.157.220.8772.157.220.8872.157.220.8972.157.220.9072.157.220.9172.157.220.9272.157.220.9372.157.220.9472.157.220.9572.157.220.9672.157.220.9772.157.220.9872.157.220.9972.157.220.10072.157.220.10172.157.220.10272.157.220.10372.157.220.10472.157.220.10572.157.220.10672.157.220.10772.157.220.10872.157.220.10972.157.220.11072.157.220.11172.157.220.11272.157.220.11372.157.220.11472.157.220.11572.157.220.11672.157.220.11772.157.220.11872.157.220.11972.157.220.12072.157.220.12172.157.220.12272.157.220.12372.157.220.12472.157.220.12572.157.220.12672.157.220.12772.157.220.12872.157.220.12972.157.220.13072.157.220.13172.157.220.13272.157.220.13372.157.220.13472.157.220.13572.157.220.13672.157.220.13772.157.220.13872.157.220.13972.157.220.14072.157.220.14172.157.220.14272.157.220.14372.157.220.14472.157.220.14572.157.220.14672.157.220.14772.157.220.14872.157.220.14972.157.220.15072.157.220.15172.157.220.15272.157.220.15372.157.220.15472.157.220.15572.157.220.15672.157.220.15772.157.220.15872.157.220.15972.157.220.16072.157.220.16172.157.220.16272.157.220.16372.157.220.16472.157.220.16572.157.220.16672.157.220.16772.157.220.16872.157.220.16972.157.220.17072.157.220.17172.157.220.17272.157.220.17372.157.220.17472.157.220.17572.157.220.17672.157.220.17772.157.220.17872.157.220.17972.157.220.18072.157.220.18172.157.220.18272.157.220.18372.157.220.18472.157.220.18572.157.220.18672.157.220.18772.157.220.18872.157.220.18972.157.220.19072.157.220.19172.157.220.19272.157.220.19372.157.220.19472.157.220.19572.157.220.19672.157.220.19772.157.220.19872.157.220.19972.157.220.20072.157.220.20172.157.220.20272.157.220.20372.157.220.20472.157.220.20572.157.220.20672.157.220.20772.157.220.20872.157.220.20972.157.220.21072.157.220.21172.157.220.21272.157.220.21372.157.220.21472.157.220.21572.157.220.21672.157.220.21772.157.220.21872.157.220.21972.157.220.22072.157.220.22172.157.220.22272.157.220.22372.157.220.22472.157.220.22572.157.220.22672.157.220.22772.157.220.22872.157.220.22972.157.220.23072.157.220.23172.157.220.23272.157.220.23372.157.220.23472.157.220.23572.157.220.23672.157.220.23772.157.220.23872.157.220.23972.157.220.24072.157.220.24172.157.220.24272.157.220.24372.157.220.24472.157.220.24572.157.220.24672.157.220.24772.157.220.24872.157.220.24972.157.220.25072.157.220.25172.157.220.25272.157.220.25372.157.220.25472.157.220.255