AS7018 12.181.21.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 12.181.21.012.181.21.112.181.21.212.181.21.312.181.21.412.181.21.512.181.21.612.181.21.712.181.21.812.181.21.912.181.21.1012.181.21.1112.181.21.1212.181.21.1312.181.21.1412.181.21.1512.181.21.1612.181.21.1712.181.21.1812.181.21.1912.181.21.2012.181.21.2112.181.21.2212.181.21.2312.181.21.2412.181.21.2512.181.21.2612.181.21.2712.181.21.2812.181.21.2912.181.21.3012.181.21.3112.181.21.3212.181.21.3312.181.21.3412.181.21.3512.181.21.3612.181.21.3712.181.21.3812.181.21.3912.181.21.4012.181.21.4112.181.21.4212.181.21.4312.181.21.4412.181.21.4512.181.21.4612.181.21.4712.181.21.4812.181.21.4912.181.21.5012.181.21.5112.181.21.5212.181.21.5312.181.21.5412.181.21.5512.181.21.5612.181.21.5712.181.21.5812.181.21.5912.181.21.6012.181.21.6112.181.21.6212.181.21.6312.181.21.6412.181.21.6512.181.21.6612.181.21.6712.181.21.6812.181.21.6912.181.21.7012.181.21.7112.181.21.7212.181.21.7312.181.21.7412.181.21.7512.181.21.7612.181.21.7712.181.21.7812.181.21.7912.181.21.8012.181.21.8112.181.21.8212.181.21.8312.181.21.8412.181.21.8512.181.21.8612.181.21.8712.181.21.8812.181.21.8912.181.21.9012.181.21.9112.181.21.9212.181.21.9312.181.21.9412.181.21.9512.181.21.9612.181.21.9712.181.21.9812.181.21.9912.181.21.10012.181.21.10112.181.21.10212.181.21.10312.181.21.10412.181.21.10512.181.21.10612.181.21.10712.181.21.10812.181.21.10912.181.21.11012.181.21.11112.181.21.11212.181.21.11312.181.21.11412.181.21.11512.181.21.11612.181.21.11712.181.21.11812.181.21.11912.181.21.12012.181.21.12112.181.21.12212.181.21.12312.181.21.12412.181.21.12512.181.21.12612.181.21.12712.181.21.12812.181.21.12912.181.21.13012.181.21.13112.181.21.13212.181.21.13312.181.21.13412.181.21.13512.181.21.13612.181.21.13712.181.21.13812.181.21.13912.181.21.14012.181.21.14112.181.21.14212.181.21.14312.181.21.14412.181.21.14512.181.21.14612.181.21.14712.181.21.14812.181.21.14912.181.21.15012.181.21.15112.181.21.15212.181.21.15312.181.21.15412.181.21.15512.181.21.15612.181.21.15712.181.21.15812.181.21.15912.181.21.16012.181.21.16112.181.21.16212.181.21.16312.181.21.16412.181.21.16512.181.21.16612.181.21.16712.181.21.16812.181.21.16912.181.21.17012.181.21.17112.181.21.17212.181.21.17312.181.21.17412.181.21.17512.181.21.17612.181.21.17712.181.21.17812.181.21.17912.181.21.18012.181.21.18112.181.21.18212.181.21.18312.181.21.18412.181.21.18512.181.21.18612.181.21.18712.181.21.18812.181.21.18912.181.21.19012.181.21.19112.181.21.19212.181.21.19312.181.21.19412.181.21.19512.181.21.19612.181.21.19712.181.21.19812.181.21.19912.181.21.20012.181.21.20112.181.21.20212.181.21.20312.181.21.20412.181.21.20512.181.21.20612.181.21.20712.181.21.20812.181.21.20912.181.21.21012.181.21.21112.181.21.21212.181.21.21312.181.21.21412.181.21.21512.181.21.21612.181.21.21712.181.21.21812.181.21.21912.181.21.22012.181.21.22112.181.21.22212.181.21.22312.181.21.22412.181.21.22512.181.21.22612.181.21.22712.181.21.22812.181.21.22912.181.21.23012.181.21.23112.181.21.23212.181.21.23312.181.21.23412.181.21.23512.181.21.23612.181.21.23712.181.21.23812.181.21.23912.181.21.24012.181.21.24112.181.21.24212.181.21.24312.181.21.24412.181.21.24512.181.21.24612.181.21.24712.181.21.24812.181.21.24912.181.21.25012.181.21.25112.181.21.25212.181.21.25312.181.21.25412.181.21.255