AS7018 12.21.90.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 12.21.90.012.21.90.112.21.90.212.21.90.312.21.90.412.21.90.512.21.90.612.21.90.712.21.90.812.21.90.912.21.90.1012.21.90.1112.21.90.1212.21.90.1312.21.90.1412.21.90.1512.21.90.1612.21.90.1712.21.90.1812.21.90.1912.21.90.2012.21.90.2112.21.90.2212.21.90.2312.21.90.2412.21.90.2512.21.90.2612.21.90.2712.21.90.2812.21.90.2912.21.90.3012.21.90.3112.21.90.3212.21.90.3312.21.90.3412.21.90.3512.21.90.3612.21.90.3712.21.90.3812.21.90.3912.21.90.4012.21.90.4112.21.90.4212.21.90.4312.21.90.4412.21.90.4512.21.90.4612.21.90.4712.21.90.4812.21.90.4912.21.90.5012.21.90.5112.21.90.5212.21.90.5312.21.90.5412.21.90.5512.21.90.5612.21.90.5712.21.90.5812.21.90.5912.21.90.6012.21.90.6112.21.90.6212.21.90.6312.21.90.6412.21.90.6512.21.90.6612.21.90.6712.21.90.6812.21.90.6912.21.90.7012.21.90.7112.21.90.7212.21.90.7312.21.90.7412.21.90.7512.21.90.7612.21.90.7712.21.90.7812.21.90.7912.21.90.8012.21.90.8112.21.90.8212.21.90.8312.21.90.8412.21.90.8512.21.90.8612.21.90.8712.21.90.8812.21.90.8912.21.90.9012.21.90.9112.21.90.9212.21.90.9312.21.90.9412.21.90.9512.21.90.9612.21.90.9712.21.90.9812.21.90.9912.21.90.10012.21.90.10112.21.90.10212.21.90.10312.21.90.10412.21.90.10512.21.90.10612.21.90.10712.21.90.10812.21.90.10912.21.90.11012.21.90.11112.21.90.11212.21.90.11312.21.90.11412.21.90.11512.21.90.11612.21.90.11712.21.90.11812.21.90.11912.21.90.12012.21.90.12112.21.90.12212.21.90.12312.21.90.12412.21.90.12512.21.90.12612.21.90.12712.21.90.12812.21.90.12912.21.90.13012.21.90.13112.21.90.13212.21.90.13312.21.90.13412.21.90.13512.21.90.13612.21.90.13712.21.90.13812.21.90.13912.21.90.14012.21.90.14112.21.90.14212.21.90.14312.21.90.14412.21.90.14512.21.90.14612.21.90.14712.21.90.14812.21.90.14912.21.90.15012.21.90.15112.21.90.15212.21.90.15312.21.90.15412.21.90.15512.21.90.15612.21.90.15712.21.90.15812.21.90.15912.21.90.16012.21.90.16112.21.90.16212.21.90.16312.21.90.16412.21.90.16512.21.90.16612.21.90.16712.21.90.16812.21.90.16912.21.90.17012.21.90.17112.21.90.17212.21.90.17312.21.90.17412.21.90.17512.21.90.17612.21.90.17712.21.90.17812.21.90.17912.21.90.18012.21.90.18112.21.90.18212.21.90.18312.21.90.18412.21.90.18512.21.90.18612.21.90.18712.21.90.18812.21.90.18912.21.90.19012.21.90.19112.21.90.19212.21.90.19312.21.90.19412.21.90.19512.21.90.19612.21.90.19712.21.90.19812.21.90.19912.21.90.20012.21.90.20112.21.90.20212.21.90.20312.21.90.20412.21.90.20512.21.90.20612.21.90.20712.21.90.20812.21.90.20912.21.90.21012.21.90.21112.21.90.21212.21.90.21312.21.90.21412.21.90.21512.21.90.21612.21.90.21712.21.90.21812.21.90.21912.21.90.22012.21.90.22112.21.90.22212.21.90.22312.21.90.22412.21.90.22512.21.90.22612.21.90.22712.21.90.22812.21.90.22912.21.90.23012.21.90.23112.21.90.23212.21.90.23312.21.90.23412.21.90.23512.21.90.23612.21.90.23712.21.90.23812.21.90.23912.21.90.24012.21.90.24112.21.90.24212.21.90.24312.21.90.24412.21.90.24512.21.90.24612.21.90.24712.21.90.24812.21.90.24912.21.90.25012.21.90.25112.21.90.25212.21.90.25312.21.90.25412.21.90.255