AS7018 12.51.105.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 12.51.105.012.51.105.112.51.105.212.51.105.312.51.105.412.51.105.512.51.105.612.51.105.712.51.105.812.51.105.912.51.105.1012.51.105.1112.51.105.1212.51.105.1312.51.105.1412.51.105.1512.51.105.1612.51.105.1712.51.105.1812.51.105.1912.51.105.2012.51.105.2112.51.105.2212.51.105.2312.51.105.2412.51.105.2512.51.105.2612.51.105.2712.51.105.2812.51.105.2912.51.105.3012.51.105.3112.51.105.3212.51.105.3312.51.105.3412.51.105.3512.51.105.3612.51.105.3712.51.105.3812.51.105.3912.51.105.4012.51.105.4112.51.105.4212.51.105.4312.51.105.4412.51.105.4512.51.105.4612.51.105.4712.51.105.4812.51.105.4912.51.105.5012.51.105.5112.51.105.5212.51.105.5312.51.105.5412.51.105.5512.51.105.5612.51.105.5712.51.105.5812.51.105.5912.51.105.6012.51.105.6112.51.105.6212.51.105.6312.51.105.6412.51.105.6512.51.105.6612.51.105.6712.51.105.6812.51.105.6912.51.105.7012.51.105.7112.51.105.7212.51.105.7312.51.105.7412.51.105.7512.51.105.7612.51.105.7712.51.105.7812.51.105.7912.51.105.8012.51.105.8112.51.105.8212.51.105.8312.51.105.8412.51.105.8512.51.105.8612.51.105.8712.51.105.8812.51.105.8912.51.105.9012.51.105.9112.51.105.9212.51.105.9312.51.105.9412.51.105.9512.51.105.9612.51.105.9712.51.105.9812.51.105.9912.51.105.10012.51.105.10112.51.105.10212.51.105.10312.51.105.10412.51.105.10512.51.105.10612.51.105.10712.51.105.10812.51.105.10912.51.105.11012.51.105.11112.51.105.11212.51.105.11312.51.105.11412.51.105.11512.51.105.11612.51.105.11712.51.105.11812.51.105.11912.51.105.12012.51.105.12112.51.105.12212.51.105.12312.51.105.12412.51.105.12512.51.105.12612.51.105.12712.51.105.12812.51.105.12912.51.105.13012.51.105.13112.51.105.13212.51.105.13312.51.105.13412.51.105.13512.51.105.13612.51.105.13712.51.105.13812.51.105.13912.51.105.14012.51.105.14112.51.105.14212.51.105.14312.51.105.14412.51.105.14512.51.105.14612.51.105.14712.51.105.14812.51.105.14912.51.105.15012.51.105.15112.51.105.15212.51.105.15312.51.105.15412.51.105.15512.51.105.15612.51.105.15712.51.105.15812.51.105.15912.51.105.16012.51.105.16112.51.105.16212.51.105.16312.51.105.16412.51.105.16512.51.105.16612.51.105.16712.51.105.16812.51.105.16912.51.105.17012.51.105.17112.51.105.17212.51.105.17312.51.105.17412.51.105.17512.51.105.17612.51.105.17712.51.105.17812.51.105.17912.51.105.18012.51.105.18112.51.105.18212.51.105.18312.51.105.18412.51.105.18512.51.105.18612.51.105.18712.51.105.18812.51.105.18912.51.105.19012.51.105.19112.51.105.19212.51.105.19312.51.105.19412.51.105.19512.51.105.19612.51.105.19712.51.105.19812.51.105.19912.51.105.20012.51.105.20112.51.105.20212.51.105.20312.51.105.20412.51.105.20512.51.105.20612.51.105.20712.51.105.20812.51.105.20912.51.105.21012.51.105.21112.51.105.21212.51.105.21312.51.105.21412.51.105.21512.51.105.21612.51.105.21712.51.105.21812.51.105.21912.51.105.22012.51.105.22112.51.105.22212.51.105.22312.51.105.22412.51.105.22512.51.105.22612.51.105.22712.51.105.22812.51.105.22912.51.105.23012.51.105.23112.51.105.23212.51.105.23312.51.105.23412.51.105.23512.51.105.23612.51.105.23712.51.105.23812.51.105.23912.51.105.24012.51.105.24112.51.105.24212.51.105.24312.51.105.24412.51.105.24512.51.105.24612.51.105.24712.51.105.24812.51.105.24912.51.105.25012.51.105.25112.51.105.25212.51.105.25312.51.105.25412.51.105.255