AS7018 12.138.221.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 12.138.221.012.138.221.112.138.221.212.138.221.312.138.221.412.138.221.512.138.221.612.138.221.712.138.221.812.138.221.912.138.221.1012.138.221.1112.138.221.1212.138.221.1312.138.221.1412.138.221.1512.138.221.1612.138.221.1712.138.221.1812.138.221.1912.138.221.2012.138.221.2112.138.221.2212.138.221.2312.138.221.2412.138.221.2512.138.221.2612.138.221.2712.138.221.2812.138.221.2912.138.221.3012.138.221.3112.138.221.3212.138.221.3312.138.221.3412.138.221.3512.138.221.3612.138.221.3712.138.221.3812.138.221.3912.138.221.4012.138.221.4112.138.221.4212.138.221.4312.138.221.4412.138.221.4512.138.221.4612.138.221.4712.138.221.4812.138.221.4912.138.221.5012.138.221.5112.138.221.5212.138.221.5312.138.221.5412.138.221.5512.138.221.5612.138.221.5712.138.221.5812.138.221.5912.138.221.6012.138.221.6112.138.221.6212.138.221.6312.138.221.6412.138.221.6512.138.221.6612.138.221.6712.138.221.6812.138.221.6912.138.221.7012.138.221.7112.138.221.7212.138.221.7312.138.221.7412.138.221.7512.138.221.7612.138.221.7712.138.221.7812.138.221.7912.138.221.8012.138.221.8112.138.221.8212.138.221.8312.138.221.8412.138.221.8512.138.221.8612.138.221.8712.138.221.8812.138.221.8912.138.221.9012.138.221.9112.138.221.9212.138.221.9312.138.221.9412.138.221.9512.138.221.9612.138.221.9712.138.221.9812.138.221.9912.138.221.10012.138.221.10112.138.221.10212.138.221.10312.138.221.10412.138.221.10512.138.221.10612.138.221.10712.138.221.10812.138.221.10912.138.221.11012.138.221.11112.138.221.11212.138.221.11312.138.221.11412.138.221.11512.138.221.11612.138.221.11712.138.221.11812.138.221.11912.138.221.12012.138.221.12112.138.221.12212.138.221.12312.138.221.12412.138.221.12512.138.221.12612.138.221.12712.138.221.12812.138.221.12912.138.221.13012.138.221.13112.138.221.13212.138.221.13312.138.221.13412.138.221.13512.138.221.13612.138.221.13712.138.221.13812.138.221.13912.138.221.14012.138.221.14112.138.221.14212.138.221.14312.138.221.14412.138.221.14512.138.221.14612.138.221.14712.138.221.14812.138.221.14912.138.221.15012.138.221.15112.138.221.15212.138.221.15312.138.221.15412.138.221.15512.138.221.15612.138.221.15712.138.221.15812.138.221.15912.138.221.16012.138.221.16112.138.221.16212.138.221.16312.138.221.16412.138.221.16512.138.221.16612.138.221.16712.138.221.16812.138.221.16912.138.221.17012.138.221.17112.138.221.17212.138.221.17312.138.221.17412.138.221.17512.138.221.17612.138.221.17712.138.221.17812.138.221.17912.138.221.18012.138.221.18112.138.221.18212.138.221.18312.138.221.18412.138.221.18512.138.221.18612.138.221.18712.138.221.18812.138.221.18912.138.221.19012.138.221.19112.138.221.19212.138.221.19312.138.221.19412.138.221.19512.138.221.19612.138.221.19712.138.221.19812.138.221.19912.138.221.20012.138.221.20112.138.221.20212.138.221.20312.138.221.20412.138.221.20512.138.221.20612.138.221.20712.138.221.20812.138.221.20912.138.221.21012.138.221.21112.138.221.21212.138.221.21312.138.221.21412.138.221.21512.138.221.21612.138.221.21712.138.221.21812.138.221.21912.138.221.22012.138.221.22112.138.221.22212.138.221.22312.138.221.22412.138.221.22512.138.221.22612.138.221.22712.138.221.22812.138.221.22912.138.221.23012.138.221.23112.138.221.23212.138.221.23312.138.221.23412.138.221.23512.138.221.23612.138.221.23712.138.221.23812.138.221.23912.138.221.24012.138.221.24112.138.221.24212.138.221.24312.138.221.24412.138.221.24512.138.221.24612.138.221.24712.138.221.24812.138.221.24912.138.221.25012.138.221.25112.138.221.25212.138.221.25312.138.221.25412.138.221.255