AS7018 12.220.21.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 12.220.21.012.220.21.112.220.21.212.220.21.312.220.21.412.220.21.512.220.21.612.220.21.712.220.21.812.220.21.912.220.21.1012.220.21.1112.220.21.1212.220.21.1312.220.21.1412.220.21.1512.220.21.1612.220.21.1712.220.21.1812.220.21.1912.220.21.2012.220.21.2112.220.21.2212.220.21.2312.220.21.2412.220.21.2512.220.21.2612.220.21.2712.220.21.2812.220.21.2912.220.21.3012.220.21.3112.220.21.3212.220.21.3312.220.21.3412.220.21.3512.220.21.3612.220.21.3712.220.21.3812.220.21.3912.220.21.4012.220.21.4112.220.21.4212.220.21.4312.220.21.4412.220.21.4512.220.21.4612.220.21.4712.220.21.4812.220.21.4912.220.21.5012.220.21.5112.220.21.5212.220.21.5312.220.21.5412.220.21.5512.220.21.5612.220.21.5712.220.21.5812.220.21.5912.220.21.6012.220.21.6112.220.21.6212.220.21.6312.220.21.6412.220.21.6512.220.21.6612.220.21.6712.220.21.6812.220.21.6912.220.21.7012.220.21.7112.220.21.7212.220.21.7312.220.21.7412.220.21.7512.220.21.7612.220.21.7712.220.21.7812.220.21.7912.220.21.8012.220.21.8112.220.21.8212.220.21.8312.220.21.8412.220.21.8512.220.21.8612.220.21.8712.220.21.8812.220.21.8912.220.21.9012.220.21.9112.220.21.9212.220.21.9312.220.21.9412.220.21.9512.220.21.9612.220.21.9712.220.21.9812.220.21.9912.220.21.10012.220.21.10112.220.21.10212.220.21.10312.220.21.10412.220.21.10512.220.21.10612.220.21.10712.220.21.10812.220.21.10912.220.21.11012.220.21.11112.220.21.11212.220.21.11312.220.21.11412.220.21.11512.220.21.11612.220.21.11712.220.21.11812.220.21.11912.220.21.12012.220.21.12112.220.21.12212.220.21.12312.220.21.12412.220.21.12512.220.21.12612.220.21.12712.220.21.12812.220.21.12912.220.21.13012.220.21.13112.220.21.13212.220.21.13312.220.21.13412.220.21.13512.220.21.13612.220.21.13712.220.21.13812.220.21.13912.220.21.14012.220.21.14112.220.21.14212.220.21.14312.220.21.14412.220.21.14512.220.21.14612.220.21.14712.220.21.14812.220.21.14912.220.21.15012.220.21.15112.220.21.15212.220.21.15312.220.21.15412.220.21.15512.220.21.15612.220.21.15712.220.21.15812.220.21.15912.220.21.16012.220.21.16112.220.21.16212.220.21.16312.220.21.16412.220.21.16512.220.21.16612.220.21.16712.220.21.16812.220.21.16912.220.21.17012.220.21.17112.220.21.17212.220.21.17312.220.21.17412.220.21.17512.220.21.17612.220.21.17712.220.21.17812.220.21.17912.220.21.18012.220.21.18112.220.21.18212.220.21.18312.220.21.18412.220.21.18512.220.21.18612.220.21.18712.220.21.18812.220.21.18912.220.21.19012.220.21.19112.220.21.19212.220.21.19312.220.21.19412.220.21.19512.220.21.19612.220.21.19712.220.21.19812.220.21.19912.220.21.20012.220.21.20112.220.21.20212.220.21.20312.220.21.20412.220.21.20512.220.21.20612.220.21.20712.220.21.20812.220.21.20912.220.21.21012.220.21.21112.220.21.21212.220.21.21312.220.21.21412.220.21.21512.220.21.21612.220.21.21712.220.21.21812.220.21.21912.220.21.22012.220.21.22112.220.21.22212.220.21.22312.220.21.22412.220.21.22512.220.21.22612.220.21.22712.220.21.22812.220.21.22912.220.21.23012.220.21.23112.220.21.23212.220.21.23312.220.21.23412.220.21.23512.220.21.23612.220.21.23712.220.21.23812.220.21.23912.220.21.24012.220.21.24112.220.21.24212.220.21.24312.220.21.24412.220.21.24512.220.21.24612.220.21.24712.220.21.24812.220.21.24912.220.21.25012.220.21.25112.220.21.25212.220.21.25312.220.21.25412.220.21.255