AS7018 12.231.21.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Enterprises LLCHost Count: 254Addressable IPs: 256 12.231.21.012.231.21.112.231.21.212.231.21.312.231.21.412.231.21.512.231.21.612.231.21.712.231.21.812.231.21.912.231.21.1012.231.21.1112.231.21.1212.231.21.1312.231.21.1412.231.21.1512.231.21.1612.231.21.1712.231.21.1812.231.21.1912.231.21.2012.231.21.2112.231.21.2212.231.21.2312.231.21.2412.231.21.2512.231.21.2612.231.21.2712.231.21.2812.231.21.2912.231.21.3012.231.21.3112.231.21.3212.231.21.3312.231.21.3412.231.21.3512.231.21.3612.231.21.3712.231.21.3812.231.21.3912.231.21.4012.231.21.4112.231.21.4212.231.21.4312.231.21.4412.231.21.4512.231.21.4612.231.21.4712.231.21.4812.231.21.4912.231.21.5012.231.21.5112.231.21.5212.231.21.5312.231.21.5412.231.21.5512.231.21.5612.231.21.5712.231.21.5812.231.21.5912.231.21.6012.231.21.6112.231.21.6212.231.21.6312.231.21.6412.231.21.6512.231.21.6612.231.21.6712.231.21.6812.231.21.6912.231.21.7012.231.21.7112.231.21.7212.231.21.7312.231.21.7412.231.21.7512.231.21.7612.231.21.7712.231.21.7812.231.21.7912.231.21.8012.231.21.8112.231.21.8212.231.21.8312.231.21.8412.231.21.8512.231.21.8612.231.21.8712.231.21.8812.231.21.8912.231.21.9012.231.21.9112.231.21.9212.231.21.9312.231.21.9412.231.21.9512.231.21.9612.231.21.9712.231.21.9812.231.21.9912.231.21.10012.231.21.10112.231.21.10212.231.21.10312.231.21.10412.231.21.10512.231.21.10612.231.21.10712.231.21.10812.231.21.10912.231.21.11012.231.21.11112.231.21.11212.231.21.11312.231.21.11412.231.21.11512.231.21.11612.231.21.11712.231.21.11812.231.21.11912.231.21.12012.231.21.12112.231.21.12212.231.21.12312.231.21.12412.231.21.12512.231.21.12612.231.21.12712.231.21.12812.231.21.12912.231.21.13012.231.21.13112.231.21.13212.231.21.13312.231.21.13412.231.21.13512.231.21.13612.231.21.13712.231.21.13812.231.21.13912.231.21.14012.231.21.14112.231.21.14212.231.21.14312.231.21.14412.231.21.14512.231.21.14612.231.21.14712.231.21.14812.231.21.14912.231.21.15012.231.21.15112.231.21.15212.231.21.15312.231.21.15412.231.21.15512.231.21.15612.231.21.15712.231.21.15812.231.21.15912.231.21.16012.231.21.16112.231.21.16212.231.21.16312.231.21.16412.231.21.16512.231.21.16612.231.21.16712.231.21.16812.231.21.16912.231.21.17012.231.21.17112.231.21.17212.231.21.17312.231.21.17412.231.21.17512.231.21.17612.231.21.17712.231.21.17812.231.21.17912.231.21.18012.231.21.18112.231.21.18212.231.21.18312.231.21.18412.231.21.18512.231.21.18612.231.21.18712.231.21.18812.231.21.18912.231.21.19012.231.21.19112.231.21.19212.231.21.19312.231.21.19412.231.21.19512.231.21.19612.231.21.19712.231.21.19812.231.21.19912.231.21.20012.231.21.20112.231.21.20212.231.21.20312.231.21.20412.231.21.20512.231.21.20612.231.21.20712.231.21.20812.231.21.20912.231.21.21012.231.21.21112.231.21.21212.231.21.21312.231.21.21412.231.21.21512.231.21.21612.231.21.21712.231.21.21812.231.21.21912.231.21.22012.231.21.22112.231.21.22212.231.21.22312.231.21.22412.231.21.22512.231.21.22612.231.21.22712.231.21.22812.231.21.22912.231.21.23012.231.21.23112.231.21.23212.231.21.23312.231.21.23412.231.21.23512.231.21.23612.231.21.23712.231.21.23812.231.21.23912.231.21.24012.231.21.24112.231.21.24212.231.21.24312.231.21.24412.231.21.24512.231.21.24612.231.21.24712.231.21.24812.231.21.24912.231.21.25012.231.21.25112.231.21.25212.231.21.25312.231.21.25412.231.21.255