AS7018 12.171.20.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 12.171.20.012.171.20.112.171.20.212.171.20.312.171.20.412.171.20.512.171.20.612.171.20.712.171.20.812.171.20.912.171.20.1012.171.20.1112.171.20.1212.171.20.1312.171.20.1412.171.20.1512.171.20.1612.171.20.1712.171.20.1812.171.20.1912.171.20.2012.171.20.2112.171.20.2212.171.20.2312.171.20.2412.171.20.2512.171.20.2612.171.20.2712.171.20.2812.171.20.2912.171.20.3012.171.20.3112.171.20.3212.171.20.3312.171.20.3412.171.20.3512.171.20.3612.171.20.3712.171.20.3812.171.20.3912.171.20.4012.171.20.4112.171.20.4212.171.20.4312.171.20.4412.171.20.4512.171.20.4612.171.20.4712.171.20.4812.171.20.4912.171.20.5012.171.20.5112.171.20.5212.171.20.5312.171.20.5412.171.20.5512.171.20.5612.171.20.5712.171.20.5812.171.20.5912.171.20.6012.171.20.6112.171.20.6212.171.20.6312.171.20.6412.171.20.6512.171.20.6612.171.20.6712.171.20.6812.171.20.6912.171.20.7012.171.20.7112.171.20.7212.171.20.7312.171.20.7412.171.20.7512.171.20.7612.171.20.7712.171.20.7812.171.20.7912.171.20.8012.171.20.8112.171.20.8212.171.20.8312.171.20.8412.171.20.8512.171.20.8612.171.20.8712.171.20.8812.171.20.8912.171.20.9012.171.20.9112.171.20.9212.171.20.9312.171.20.9412.171.20.9512.171.20.9612.171.20.9712.171.20.9812.171.20.9912.171.20.10012.171.20.10112.171.20.10212.171.20.10312.171.20.10412.171.20.10512.171.20.10612.171.20.10712.171.20.10812.171.20.10912.171.20.11012.171.20.11112.171.20.11212.171.20.11312.171.20.11412.171.20.11512.171.20.11612.171.20.11712.171.20.11812.171.20.11912.171.20.12012.171.20.12112.171.20.12212.171.20.12312.171.20.12412.171.20.12512.171.20.12612.171.20.12712.171.20.12812.171.20.12912.171.20.13012.171.20.13112.171.20.13212.171.20.13312.171.20.13412.171.20.13512.171.20.13612.171.20.13712.171.20.13812.171.20.13912.171.20.14012.171.20.14112.171.20.14212.171.20.14312.171.20.14412.171.20.14512.171.20.14612.171.20.14712.171.20.14812.171.20.14912.171.20.15012.171.20.15112.171.20.15212.171.20.15312.171.20.15412.171.20.15512.171.20.15612.171.20.15712.171.20.15812.171.20.15912.171.20.16012.171.20.16112.171.20.16212.171.20.16312.171.20.16412.171.20.16512.171.20.16612.171.20.16712.171.20.16812.171.20.16912.171.20.17012.171.20.17112.171.20.17212.171.20.17312.171.20.17412.171.20.17512.171.20.17612.171.20.17712.171.20.17812.171.20.17912.171.20.18012.171.20.18112.171.20.18212.171.20.18312.171.20.18412.171.20.18512.171.20.18612.171.20.18712.171.20.18812.171.20.18912.171.20.19012.171.20.19112.171.20.19212.171.20.19312.171.20.19412.171.20.19512.171.20.19612.171.20.19712.171.20.19812.171.20.19912.171.20.20012.171.20.20112.171.20.20212.171.20.20312.171.20.20412.171.20.20512.171.20.20612.171.20.20712.171.20.20812.171.20.20912.171.20.21012.171.20.21112.171.20.21212.171.20.21312.171.20.21412.171.20.21512.171.20.21612.171.20.21712.171.20.21812.171.20.21912.171.20.22012.171.20.22112.171.20.22212.171.20.22312.171.20.22412.171.20.22512.171.20.22612.171.20.22712.171.20.22812.171.20.22912.171.20.23012.171.20.23112.171.20.23212.171.20.23312.171.20.23412.171.20.23512.171.20.23612.171.20.23712.171.20.23812.171.20.23912.171.20.24012.171.20.24112.171.20.24212.171.20.24312.171.20.24412.171.20.24512.171.20.24612.171.20.24712.171.20.24812.171.20.24912.171.20.25012.171.20.25112.171.20.25212.171.20.25312.171.20.25412.171.20.255