AS7018 12.21.154.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 12.21.154.012.21.154.112.21.154.212.21.154.312.21.154.412.21.154.512.21.154.612.21.154.712.21.154.812.21.154.912.21.154.1012.21.154.1112.21.154.1212.21.154.1312.21.154.1412.21.154.1512.21.154.1612.21.154.1712.21.154.1812.21.154.1912.21.154.2012.21.154.2112.21.154.2212.21.154.2312.21.154.2412.21.154.2512.21.154.2612.21.154.2712.21.154.2812.21.154.2912.21.154.3012.21.154.3112.21.154.3212.21.154.3312.21.154.3412.21.154.3512.21.154.3612.21.154.3712.21.154.3812.21.154.3912.21.154.4012.21.154.4112.21.154.4212.21.154.4312.21.154.4412.21.154.4512.21.154.4612.21.154.4712.21.154.4812.21.154.4912.21.154.5012.21.154.5112.21.154.5212.21.154.5312.21.154.5412.21.154.5512.21.154.5612.21.154.5712.21.154.5812.21.154.5912.21.154.6012.21.154.6112.21.154.6212.21.154.6312.21.154.6412.21.154.6512.21.154.6612.21.154.6712.21.154.6812.21.154.6912.21.154.7012.21.154.7112.21.154.7212.21.154.7312.21.154.7412.21.154.7512.21.154.7612.21.154.7712.21.154.7812.21.154.7912.21.154.8012.21.154.8112.21.154.8212.21.154.8312.21.154.8412.21.154.8512.21.154.8612.21.154.8712.21.154.8812.21.154.8912.21.154.9012.21.154.9112.21.154.9212.21.154.9312.21.154.9412.21.154.9512.21.154.9612.21.154.9712.21.154.9812.21.154.9912.21.154.10012.21.154.10112.21.154.10212.21.154.10312.21.154.10412.21.154.10512.21.154.10612.21.154.10712.21.154.10812.21.154.10912.21.154.11012.21.154.11112.21.154.11212.21.154.11312.21.154.11412.21.154.11512.21.154.11612.21.154.11712.21.154.11812.21.154.11912.21.154.12012.21.154.12112.21.154.12212.21.154.12312.21.154.12412.21.154.12512.21.154.12612.21.154.12712.21.154.12812.21.154.12912.21.154.13012.21.154.13112.21.154.13212.21.154.13312.21.154.13412.21.154.13512.21.154.13612.21.154.13712.21.154.13812.21.154.13912.21.154.14012.21.154.14112.21.154.14212.21.154.14312.21.154.14412.21.154.14512.21.154.14612.21.154.14712.21.154.14812.21.154.14912.21.154.15012.21.154.15112.21.154.15212.21.154.15312.21.154.15412.21.154.15512.21.154.15612.21.154.15712.21.154.15812.21.154.15912.21.154.16012.21.154.16112.21.154.16212.21.154.16312.21.154.16412.21.154.16512.21.154.16612.21.154.16712.21.154.16812.21.154.16912.21.154.17012.21.154.17112.21.154.17212.21.154.17312.21.154.17412.21.154.17512.21.154.17612.21.154.17712.21.154.17812.21.154.17912.21.154.18012.21.154.18112.21.154.18212.21.154.18312.21.154.18412.21.154.18512.21.154.18612.21.154.18712.21.154.18812.21.154.18912.21.154.19012.21.154.19112.21.154.19212.21.154.19312.21.154.19412.21.154.19512.21.154.19612.21.154.19712.21.154.19812.21.154.19912.21.154.20012.21.154.20112.21.154.20212.21.154.20312.21.154.20412.21.154.20512.21.154.20612.21.154.20712.21.154.20812.21.154.20912.21.154.21012.21.154.21112.21.154.21212.21.154.21312.21.154.21412.21.154.21512.21.154.21612.21.154.21712.21.154.21812.21.154.21912.21.154.22012.21.154.22112.21.154.22212.21.154.22312.21.154.22412.21.154.22512.21.154.22612.21.154.22712.21.154.22812.21.154.22912.21.154.23012.21.154.23112.21.154.23212.21.154.23312.21.154.23412.21.154.23512.21.154.23612.21.154.23712.21.154.23812.21.154.23912.21.154.24012.21.154.24112.21.154.24212.21.154.24312.21.154.24412.21.154.24512.21.154.24612.21.154.24712.21.154.24812.21.154.24912.21.154.25012.21.154.25112.21.154.25212.21.154.25312.21.154.25412.21.154.255