AS7018 12.255.143.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 12.255.143.012.255.143.112.255.143.212.255.143.312.255.143.412.255.143.512.255.143.612.255.143.712.255.143.812.255.143.912.255.143.1012.255.143.1112.255.143.1212.255.143.1312.255.143.1412.255.143.1512.255.143.1612.255.143.1712.255.143.1812.255.143.1912.255.143.2012.255.143.2112.255.143.2212.255.143.2312.255.143.2412.255.143.2512.255.143.2612.255.143.2712.255.143.2812.255.143.2912.255.143.3012.255.143.3112.255.143.3212.255.143.3312.255.143.3412.255.143.3512.255.143.3612.255.143.3712.255.143.3812.255.143.3912.255.143.4012.255.143.4112.255.143.4212.255.143.4312.255.143.4412.255.143.4512.255.143.4612.255.143.4712.255.143.4812.255.143.4912.255.143.5012.255.143.5112.255.143.5212.255.143.5312.255.143.5412.255.143.5512.255.143.5612.255.143.5712.255.143.5812.255.143.5912.255.143.6012.255.143.6112.255.143.6212.255.143.6312.255.143.6412.255.143.6512.255.143.6612.255.143.6712.255.143.6812.255.143.6912.255.143.7012.255.143.7112.255.143.7212.255.143.7312.255.143.7412.255.143.7512.255.143.7612.255.143.7712.255.143.7812.255.143.7912.255.143.8012.255.143.8112.255.143.8212.255.143.8312.255.143.8412.255.143.8512.255.143.8612.255.143.8712.255.143.8812.255.143.8912.255.143.9012.255.143.9112.255.143.9212.255.143.9312.255.143.9412.255.143.9512.255.143.9612.255.143.9712.255.143.9812.255.143.9912.255.143.10012.255.143.10112.255.143.10212.255.143.10312.255.143.10412.255.143.10512.255.143.10612.255.143.10712.255.143.10812.255.143.10912.255.143.11012.255.143.11112.255.143.11212.255.143.11312.255.143.11412.255.143.11512.255.143.11612.255.143.11712.255.143.11812.255.143.11912.255.143.12012.255.143.12112.255.143.12212.255.143.12312.255.143.12412.255.143.12512.255.143.12612.255.143.12712.255.143.12812.255.143.12912.255.143.13012.255.143.13112.255.143.13212.255.143.13312.255.143.13412.255.143.13512.255.143.13612.255.143.13712.255.143.13812.255.143.13912.255.143.14012.255.143.14112.255.143.14212.255.143.14312.255.143.14412.255.143.14512.255.143.14612.255.143.14712.255.143.14812.255.143.14912.255.143.15012.255.143.15112.255.143.15212.255.143.15312.255.143.15412.255.143.15512.255.143.15612.255.143.15712.255.143.15812.255.143.15912.255.143.16012.255.143.16112.255.143.16212.255.143.16312.255.143.16412.255.143.16512.255.143.16612.255.143.16712.255.143.16812.255.143.16912.255.143.17012.255.143.17112.255.143.17212.255.143.17312.255.143.17412.255.143.17512.255.143.17612.255.143.17712.255.143.17812.255.143.17912.255.143.18012.255.143.18112.255.143.18212.255.143.18312.255.143.18412.255.143.18512.255.143.18612.255.143.18712.255.143.18812.255.143.18912.255.143.19012.255.143.19112.255.143.19212.255.143.19312.255.143.19412.255.143.19512.255.143.19612.255.143.19712.255.143.19812.255.143.19912.255.143.20012.255.143.20112.255.143.20212.255.143.20312.255.143.20412.255.143.20512.255.143.20612.255.143.20712.255.143.20812.255.143.20912.255.143.21012.255.143.21112.255.143.21212.255.143.21312.255.143.21412.255.143.21512.255.143.21612.255.143.21712.255.143.21812.255.143.21912.255.143.22012.255.143.22112.255.143.22212.255.143.22312.255.143.22412.255.143.22512.255.143.22612.255.143.22712.255.143.22812.255.143.22912.255.143.23012.255.143.23112.255.143.23212.255.143.23312.255.143.23412.255.143.23512.255.143.23612.255.143.23712.255.143.23812.255.143.23912.255.143.24012.255.143.24112.255.143.24212.255.143.24312.255.143.24412.255.143.24512.255.143.24612.255.143.24712.255.143.24812.255.143.24912.255.143.25012.255.143.25112.255.143.25212.255.143.25312.255.143.25412.255.143.255