AS7018 12.21.168.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 12.21.168.012.21.168.112.21.168.212.21.168.312.21.168.412.21.168.512.21.168.612.21.168.712.21.168.812.21.168.912.21.168.1012.21.168.1112.21.168.1212.21.168.1312.21.168.1412.21.168.1512.21.168.1612.21.168.1712.21.168.1812.21.168.1912.21.168.2012.21.168.2112.21.168.2212.21.168.2312.21.168.2412.21.168.2512.21.168.2612.21.168.2712.21.168.2812.21.168.2912.21.168.3012.21.168.3112.21.168.3212.21.168.3312.21.168.3412.21.168.3512.21.168.3612.21.168.3712.21.168.3812.21.168.3912.21.168.4012.21.168.4112.21.168.4212.21.168.4312.21.168.4412.21.168.4512.21.168.4612.21.168.4712.21.168.4812.21.168.4912.21.168.5012.21.168.5112.21.168.5212.21.168.5312.21.168.5412.21.168.5512.21.168.5612.21.168.5712.21.168.5812.21.168.5912.21.168.6012.21.168.6112.21.168.6212.21.168.6312.21.168.6412.21.168.6512.21.168.6612.21.168.6712.21.168.6812.21.168.6912.21.168.7012.21.168.7112.21.168.7212.21.168.7312.21.168.7412.21.168.7512.21.168.7612.21.168.7712.21.168.7812.21.168.7912.21.168.8012.21.168.8112.21.168.8212.21.168.8312.21.168.8412.21.168.8512.21.168.8612.21.168.8712.21.168.8812.21.168.8912.21.168.9012.21.168.9112.21.168.9212.21.168.9312.21.168.9412.21.168.9512.21.168.9612.21.168.9712.21.168.9812.21.168.9912.21.168.10012.21.168.10112.21.168.10212.21.168.10312.21.168.10412.21.168.10512.21.168.10612.21.168.10712.21.168.10812.21.168.10912.21.168.11012.21.168.11112.21.168.11212.21.168.11312.21.168.11412.21.168.11512.21.168.11612.21.168.11712.21.168.11812.21.168.11912.21.168.12012.21.168.12112.21.168.12212.21.168.12312.21.168.12412.21.168.12512.21.168.12612.21.168.12712.21.168.12812.21.168.12912.21.168.13012.21.168.13112.21.168.13212.21.168.13312.21.168.13412.21.168.13512.21.168.13612.21.168.13712.21.168.13812.21.168.13912.21.168.14012.21.168.14112.21.168.14212.21.168.14312.21.168.14412.21.168.14512.21.168.14612.21.168.14712.21.168.14812.21.168.14912.21.168.15012.21.168.15112.21.168.15212.21.168.15312.21.168.15412.21.168.15512.21.168.15612.21.168.15712.21.168.15812.21.168.15912.21.168.16012.21.168.16112.21.168.16212.21.168.16312.21.168.16412.21.168.16512.21.168.16612.21.168.16712.21.168.16812.21.168.16912.21.168.17012.21.168.17112.21.168.17212.21.168.17312.21.168.17412.21.168.17512.21.168.17612.21.168.17712.21.168.17812.21.168.17912.21.168.18012.21.168.18112.21.168.18212.21.168.18312.21.168.18412.21.168.18512.21.168.18612.21.168.18712.21.168.18812.21.168.18912.21.168.19012.21.168.19112.21.168.19212.21.168.19312.21.168.19412.21.168.19512.21.168.19612.21.168.19712.21.168.19812.21.168.19912.21.168.20012.21.168.20112.21.168.20212.21.168.20312.21.168.20412.21.168.20512.21.168.20612.21.168.20712.21.168.20812.21.168.20912.21.168.21012.21.168.21112.21.168.21212.21.168.21312.21.168.21412.21.168.21512.21.168.21612.21.168.21712.21.168.21812.21.168.21912.21.168.22012.21.168.22112.21.168.22212.21.168.22312.21.168.22412.21.168.22512.21.168.22612.21.168.22712.21.168.22812.21.168.22912.21.168.23012.21.168.23112.21.168.23212.21.168.23312.21.168.23412.21.168.23512.21.168.23612.21.168.23712.21.168.23812.21.168.23912.21.168.24012.21.168.24112.21.168.24212.21.168.24312.21.168.24412.21.168.24512.21.168.24612.21.168.24712.21.168.24812.21.168.24912.21.168.25012.21.168.25112.21.168.25212.21.168.25312.21.168.25412.21.168.255