AS7018 12.171.57.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 12.171.57.012.171.57.112.171.57.212.171.57.312.171.57.412.171.57.512.171.57.612.171.57.712.171.57.812.171.57.912.171.57.1012.171.57.1112.171.57.1212.171.57.1312.171.57.1412.171.57.1512.171.57.1612.171.57.1712.171.57.1812.171.57.1912.171.57.2012.171.57.2112.171.57.2212.171.57.2312.171.57.2412.171.57.2512.171.57.2612.171.57.2712.171.57.2812.171.57.2912.171.57.3012.171.57.3112.171.57.3212.171.57.3312.171.57.3412.171.57.3512.171.57.3612.171.57.3712.171.57.3812.171.57.3912.171.57.4012.171.57.4112.171.57.4212.171.57.4312.171.57.4412.171.57.4512.171.57.4612.171.57.4712.171.57.4812.171.57.4912.171.57.5012.171.57.5112.171.57.5212.171.57.5312.171.57.5412.171.57.5512.171.57.5612.171.57.5712.171.57.5812.171.57.5912.171.57.6012.171.57.6112.171.57.6212.171.57.6312.171.57.6412.171.57.6512.171.57.6612.171.57.6712.171.57.6812.171.57.6912.171.57.7012.171.57.7112.171.57.7212.171.57.7312.171.57.7412.171.57.7512.171.57.7612.171.57.7712.171.57.7812.171.57.7912.171.57.8012.171.57.8112.171.57.8212.171.57.8312.171.57.8412.171.57.8512.171.57.8612.171.57.8712.171.57.8812.171.57.8912.171.57.9012.171.57.9112.171.57.9212.171.57.9312.171.57.9412.171.57.9512.171.57.9612.171.57.9712.171.57.9812.171.57.9912.171.57.10012.171.57.10112.171.57.10212.171.57.10312.171.57.10412.171.57.10512.171.57.10612.171.57.10712.171.57.10812.171.57.10912.171.57.11012.171.57.11112.171.57.11212.171.57.11312.171.57.11412.171.57.11512.171.57.11612.171.57.11712.171.57.11812.171.57.11912.171.57.12012.171.57.12112.171.57.12212.171.57.12312.171.57.12412.171.57.12512.171.57.12612.171.57.12712.171.57.12812.171.57.12912.171.57.13012.171.57.13112.171.57.13212.171.57.13312.171.57.13412.171.57.13512.171.57.13612.171.57.13712.171.57.13812.171.57.13912.171.57.14012.171.57.14112.171.57.14212.171.57.14312.171.57.14412.171.57.14512.171.57.14612.171.57.14712.171.57.14812.171.57.14912.171.57.15012.171.57.15112.171.57.15212.171.57.15312.171.57.15412.171.57.15512.171.57.15612.171.57.15712.171.57.15812.171.57.15912.171.57.16012.171.57.16112.171.57.16212.171.57.16312.171.57.16412.171.57.16512.171.57.16612.171.57.16712.171.57.16812.171.57.16912.171.57.17012.171.57.17112.171.57.17212.171.57.17312.171.57.17412.171.57.17512.171.57.17612.171.57.17712.171.57.17812.171.57.17912.171.57.18012.171.57.18112.171.57.18212.171.57.18312.171.57.18412.171.57.18512.171.57.18612.171.57.18712.171.57.18812.171.57.18912.171.57.19012.171.57.19112.171.57.19212.171.57.19312.171.57.19412.171.57.19512.171.57.19612.171.57.19712.171.57.19812.171.57.19912.171.57.20012.171.57.20112.171.57.20212.171.57.20312.171.57.20412.171.57.20512.171.57.20612.171.57.20712.171.57.20812.171.57.20912.171.57.21012.171.57.21112.171.57.21212.171.57.21312.171.57.21412.171.57.21512.171.57.21612.171.57.21712.171.57.21812.171.57.21912.171.57.22012.171.57.22112.171.57.22212.171.57.22312.171.57.22412.171.57.22512.171.57.22612.171.57.22712.171.57.22812.171.57.22912.171.57.23012.171.57.23112.171.57.23212.171.57.23312.171.57.23412.171.57.23512.171.57.23612.171.57.23712.171.57.23812.171.57.23912.171.57.24012.171.57.24112.171.57.24212.171.57.24312.171.57.24412.171.57.24512.171.57.24612.171.57.24712.171.57.24812.171.57.24912.171.57.25012.171.57.25112.171.57.25212.171.57.25312.171.57.25412.171.57.255