AS7018 12.51.31.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 12.51.31.012.51.31.112.51.31.212.51.31.312.51.31.412.51.31.512.51.31.612.51.31.712.51.31.812.51.31.912.51.31.1012.51.31.1112.51.31.1212.51.31.1312.51.31.1412.51.31.1512.51.31.1612.51.31.1712.51.31.1812.51.31.1912.51.31.2012.51.31.2112.51.31.2212.51.31.2312.51.31.2412.51.31.2512.51.31.2612.51.31.2712.51.31.2812.51.31.2912.51.31.3012.51.31.3112.51.31.3212.51.31.3312.51.31.3412.51.31.3512.51.31.3612.51.31.3712.51.31.3812.51.31.3912.51.31.4012.51.31.4112.51.31.4212.51.31.4312.51.31.4412.51.31.4512.51.31.4612.51.31.4712.51.31.4812.51.31.4912.51.31.5012.51.31.5112.51.31.5212.51.31.5312.51.31.5412.51.31.5512.51.31.5612.51.31.5712.51.31.5812.51.31.5912.51.31.6012.51.31.6112.51.31.6212.51.31.6312.51.31.6412.51.31.6512.51.31.6612.51.31.6712.51.31.6812.51.31.6912.51.31.7012.51.31.7112.51.31.7212.51.31.7312.51.31.7412.51.31.7512.51.31.7612.51.31.7712.51.31.7812.51.31.7912.51.31.8012.51.31.8112.51.31.8212.51.31.8312.51.31.8412.51.31.8512.51.31.8612.51.31.8712.51.31.8812.51.31.8912.51.31.9012.51.31.9112.51.31.9212.51.31.9312.51.31.9412.51.31.9512.51.31.9612.51.31.9712.51.31.9812.51.31.9912.51.31.10012.51.31.10112.51.31.10212.51.31.10312.51.31.10412.51.31.10512.51.31.10612.51.31.10712.51.31.10812.51.31.10912.51.31.11012.51.31.11112.51.31.11212.51.31.11312.51.31.11412.51.31.11512.51.31.11612.51.31.11712.51.31.11812.51.31.11912.51.31.12012.51.31.12112.51.31.12212.51.31.12312.51.31.12412.51.31.12512.51.31.12612.51.31.12712.51.31.12812.51.31.12912.51.31.13012.51.31.13112.51.31.13212.51.31.13312.51.31.13412.51.31.13512.51.31.13612.51.31.13712.51.31.13812.51.31.13912.51.31.14012.51.31.14112.51.31.14212.51.31.14312.51.31.14412.51.31.14512.51.31.14612.51.31.14712.51.31.14812.51.31.14912.51.31.15012.51.31.15112.51.31.15212.51.31.15312.51.31.15412.51.31.15512.51.31.15612.51.31.15712.51.31.15812.51.31.15912.51.31.16012.51.31.16112.51.31.16212.51.31.16312.51.31.16412.51.31.16512.51.31.16612.51.31.16712.51.31.16812.51.31.16912.51.31.17012.51.31.17112.51.31.17212.51.31.17312.51.31.17412.51.31.17512.51.31.17612.51.31.17712.51.31.17812.51.31.17912.51.31.18012.51.31.18112.51.31.18212.51.31.18312.51.31.18412.51.31.18512.51.31.18612.51.31.18712.51.31.18812.51.31.18912.51.31.19012.51.31.19112.51.31.19212.51.31.19312.51.31.19412.51.31.19512.51.31.19612.51.31.19712.51.31.19812.51.31.19912.51.31.20012.51.31.20112.51.31.20212.51.31.20312.51.31.20412.51.31.20512.51.31.20612.51.31.20712.51.31.20812.51.31.20912.51.31.21012.51.31.21112.51.31.21212.51.31.21312.51.31.21412.51.31.21512.51.31.21612.51.31.21712.51.31.21812.51.31.21912.51.31.22012.51.31.22112.51.31.22212.51.31.22312.51.31.22412.51.31.22512.51.31.22612.51.31.22712.51.31.22812.51.31.22912.51.31.23012.51.31.23112.51.31.23212.51.31.23312.51.31.23412.51.31.23512.51.31.23612.51.31.23712.51.31.23812.51.31.23912.51.31.24012.51.31.24112.51.31.24212.51.31.24312.51.31.24412.51.31.24512.51.31.24612.51.31.24712.51.31.24812.51.31.24912.51.31.25012.51.31.25112.51.31.25212.51.31.25312.51.31.25412.51.31.255