AS7018 12.5.21.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 12.5.21.012.5.21.112.5.21.212.5.21.312.5.21.412.5.21.512.5.21.612.5.21.712.5.21.812.5.21.912.5.21.1012.5.21.1112.5.21.1212.5.21.1312.5.21.1412.5.21.1512.5.21.1612.5.21.1712.5.21.1812.5.21.1912.5.21.2012.5.21.2112.5.21.2212.5.21.2312.5.21.2412.5.21.2512.5.21.2612.5.21.2712.5.21.2812.5.21.2912.5.21.3012.5.21.3112.5.21.3212.5.21.3312.5.21.3412.5.21.3512.5.21.3612.5.21.3712.5.21.3812.5.21.3912.5.21.4012.5.21.4112.5.21.4212.5.21.4312.5.21.4412.5.21.4512.5.21.4612.5.21.4712.5.21.4812.5.21.4912.5.21.5012.5.21.5112.5.21.5212.5.21.5312.5.21.5412.5.21.5512.5.21.5612.5.21.5712.5.21.5812.5.21.5912.5.21.6012.5.21.6112.5.21.6212.5.21.6312.5.21.6412.5.21.6512.5.21.6612.5.21.6712.5.21.6812.5.21.6912.5.21.7012.5.21.7112.5.21.7212.5.21.7312.5.21.7412.5.21.7512.5.21.7612.5.21.7712.5.21.7812.5.21.7912.5.21.8012.5.21.8112.5.21.8212.5.21.8312.5.21.8412.5.21.8512.5.21.8612.5.21.8712.5.21.8812.5.21.8912.5.21.9012.5.21.9112.5.21.9212.5.21.9312.5.21.9412.5.21.9512.5.21.9612.5.21.9712.5.21.9812.5.21.9912.5.21.10012.5.21.10112.5.21.10212.5.21.10312.5.21.10412.5.21.10512.5.21.10612.5.21.10712.5.21.10812.5.21.10912.5.21.11012.5.21.11112.5.21.11212.5.21.11312.5.21.11412.5.21.11512.5.21.11612.5.21.11712.5.21.11812.5.21.11912.5.21.12012.5.21.12112.5.21.12212.5.21.12312.5.21.12412.5.21.12512.5.21.12612.5.21.12712.5.21.12812.5.21.12912.5.21.13012.5.21.13112.5.21.13212.5.21.13312.5.21.13412.5.21.13512.5.21.13612.5.21.13712.5.21.13812.5.21.13912.5.21.14012.5.21.14112.5.21.14212.5.21.14312.5.21.14412.5.21.14512.5.21.14612.5.21.14712.5.21.14812.5.21.14912.5.21.15012.5.21.15112.5.21.15212.5.21.15312.5.21.15412.5.21.15512.5.21.15612.5.21.15712.5.21.15812.5.21.15912.5.21.16012.5.21.16112.5.21.16212.5.21.16312.5.21.16412.5.21.16512.5.21.16612.5.21.16712.5.21.16812.5.21.16912.5.21.17012.5.21.17112.5.21.17212.5.21.17312.5.21.17412.5.21.17512.5.21.17612.5.21.17712.5.21.17812.5.21.17912.5.21.18012.5.21.18112.5.21.18212.5.21.18312.5.21.18412.5.21.18512.5.21.18612.5.21.18712.5.21.18812.5.21.18912.5.21.19012.5.21.19112.5.21.19212.5.21.19312.5.21.19412.5.21.19512.5.21.19612.5.21.19712.5.21.19812.5.21.19912.5.21.20012.5.21.20112.5.21.20212.5.21.20312.5.21.20412.5.21.20512.5.21.20612.5.21.20712.5.21.20812.5.21.20912.5.21.21012.5.21.21112.5.21.21212.5.21.21312.5.21.21412.5.21.21512.5.21.21612.5.21.21712.5.21.21812.5.21.21912.5.21.22012.5.21.22112.5.21.22212.5.21.22312.5.21.22412.5.21.22512.5.21.22612.5.21.22712.5.21.22812.5.21.22912.5.21.23012.5.21.23112.5.21.23212.5.21.23312.5.21.23412.5.21.23512.5.21.23612.5.21.23712.5.21.23812.5.21.23912.5.21.24012.5.21.24112.5.21.24212.5.21.24312.5.21.24412.5.21.24512.5.21.24612.5.21.24712.5.21.24812.5.21.24912.5.21.25012.5.21.25112.5.21.25212.5.21.25312.5.21.25412.5.21.255