AS7018 12.18.21.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 12.18.21.012.18.21.112.18.21.212.18.21.312.18.21.412.18.21.512.18.21.612.18.21.712.18.21.812.18.21.912.18.21.1012.18.21.1112.18.21.1212.18.21.1312.18.21.1412.18.21.1512.18.21.1612.18.21.1712.18.21.1812.18.21.1912.18.21.2012.18.21.2112.18.21.2212.18.21.2312.18.21.2412.18.21.2512.18.21.2612.18.21.2712.18.21.2812.18.21.2912.18.21.3012.18.21.3112.18.21.3212.18.21.3312.18.21.3412.18.21.3512.18.21.3612.18.21.3712.18.21.3812.18.21.3912.18.21.4012.18.21.4112.18.21.4212.18.21.4312.18.21.4412.18.21.4512.18.21.4612.18.21.4712.18.21.4812.18.21.4912.18.21.5012.18.21.5112.18.21.5212.18.21.5312.18.21.5412.18.21.5512.18.21.5612.18.21.5712.18.21.5812.18.21.5912.18.21.6012.18.21.6112.18.21.6212.18.21.6312.18.21.6412.18.21.6512.18.21.6612.18.21.6712.18.21.6812.18.21.6912.18.21.7012.18.21.7112.18.21.7212.18.21.7312.18.21.7412.18.21.7512.18.21.7612.18.21.7712.18.21.7812.18.21.7912.18.21.8012.18.21.8112.18.21.8212.18.21.8312.18.21.8412.18.21.8512.18.21.8612.18.21.8712.18.21.8812.18.21.8912.18.21.9012.18.21.9112.18.21.9212.18.21.9312.18.21.9412.18.21.9512.18.21.9612.18.21.9712.18.21.9812.18.21.9912.18.21.10012.18.21.10112.18.21.10212.18.21.10312.18.21.10412.18.21.10512.18.21.10612.18.21.10712.18.21.10812.18.21.10912.18.21.11012.18.21.11112.18.21.11212.18.21.11312.18.21.11412.18.21.11512.18.21.11612.18.21.11712.18.21.11812.18.21.11912.18.21.12012.18.21.12112.18.21.12212.18.21.12312.18.21.12412.18.21.12512.18.21.12612.18.21.12712.18.21.12812.18.21.12912.18.21.13012.18.21.13112.18.21.13212.18.21.13312.18.21.13412.18.21.13512.18.21.13612.18.21.13712.18.21.13812.18.21.13912.18.21.14012.18.21.14112.18.21.14212.18.21.14312.18.21.14412.18.21.14512.18.21.14612.18.21.14712.18.21.14812.18.21.14912.18.21.15012.18.21.15112.18.21.15212.18.21.15312.18.21.15412.18.21.15512.18.21.15612.18.21.15712.18.21.15812.18.21.15912.18.21.16012.18.21.16112.18.21.16212.18.21.16312.18.21.16412.18.21.16512.18.21.16612.18.21.16712.18.21.16812.18.21.16912.18.21.17012.18.21.17112.18.21.17212.18.21.17312.18.21.17412.18.21.17512.18.21.17612.18.21.17712.18.21.17812.18.21.17912.18.21.18012.18.21.18112.18.21.18212.18.21.18312.18.21.18412.18.21.18512.18.21.18612.18.21.18712.18.21.18812.18.21.18912.18.21.19012.18.21.19112.18.21.19212.18.21.19312.18.21.19412.18.21.19512.18.21.19612.18.21.19712.18.21.19812.18.21.19912.18.21.20012.18.21.20112.18.21.20212.18.21.20312.18.21.20412.18.21.20512.18.21.20612.18.21.20712.18.21.20812.18.21.20912.18.21.21012.18.21.21112.18.21.21212.18.21.21312.18.21.21412.18.21.21512.18.21.21612.18.21.21712.18.21.21812.18.21.21912.18.21.22012.18.21.22112.18.21.22212.18.21.22312.18.21.22412.18.21.22512.18.21.22612.18.21.22712.18.21.22812.18.21.22912.18.21.23012.18.21.23112.18.21.23212.18.21.23312.18.21.23412.18.21.23512.18.21.23612.18.21.23712.18.21.23812.18.21.23912.18.21.24012.18.21.24112.18.21.24212.18.21.24312.18.21.24412.18.21.24512.18.21.24612.18.21.24712.18.21.24812.18.21.24912.18.21.25012.18.21.25112.18.21.25212.18.21.25312.18.21.25412.18.21.255