AS7018 12.3.203.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 12.3.203.012.3.203.112.3.203.212.3.203.312.3.203.412.3.203.512.3.203.612.3.203.712.3.203.812.3.203.912.3.203.1012.3.203.1112.3.203.1212.3.203.1312.3.203.1412.3.203.1512.3.203.1612.3.203.1712.3.203.1812.3.203.1912.3.203.2012.3.203.2112.3.203.2212.3.203.2312.3.203.2412.3.203.2512.3.203.2612.3.203.2712.3.203.2812.3.203.2912.3.203.3012.3.203.3112.3.203.3212.3.203.3312.3.203.3412.3.203.3512.3.203.3612.3.203.3712.3.203.3812.3.203.3912.3.203.4012.3.203.4112.3.203.4212.3.203.4312.3.203.4412.3.203.4512.3.203.4612.3.203.4712.3.203.4812.3.203.4912.3.203.5012.3.203.5112.3.203.5212.3.203.5312.3.203.5412.3.203.5512.3.203.5612.3.203.5712.3.203.5812.3.203.5912.3.203.6012.3.203.6112.3.203.6212.3.203.6312.3.203.6412.3.203.6512.3.203.6612.3.203.6712.3.203.6812.3.203.6912.3.203.7012.3.203.7112.3.203.7212.3.203.7312.3.203.7412.3.203.7512.3.203.7612.3.203.7712.3.203.7812.3.203.7912.3.203.8012.3.203.8112.3.203.8212.3.203.8312.3.203.8412.3.203.8512.3.203.8612.3.203.8712.3.203.8812.3.203.8912.3.203.9012.3.203.9112.3.203.9212.3.203.9312.3.203.9412.3.203.9512.3.203.9612.3.203.9712.3.203.9812.3.203.9912.3.203.10012.3.203.10112.3.203.10212.3.203.10312.3.203.10412.3.203.10512.3.203.10612.3.203.10712.3.203.10812.3.203.10912.3.203.11012.3.203.11112.3.203.11212.3.203.11312.3.203.11412.3.203.11512.3.203.11612.3.203.11712.3.203.11812.3.203.11912.3.203.12012.3.203.12112.3.203.12212.3.203.12312.3.203.12412.3.203.12512.3.203.12612.3.203.12712.3.203.12812.3.203.12912.3.203.13012.3.203.13112.3.203.13212.3.203.13312.3.203.13412.3.203.13512.3.203.13612.3.203.13712.3.203.13812.3.203.13912.3.203.14012.3.203.14112.3.203.14212.3.203.14312.3.203.14412.3.203.14512.3.203.14612.3.203.14712.3.203.14812.3.203.14912.3.203.15012.3.203.15112.3.203.15212.3.203.15312.3.203.15412.3.203.15512.3.203.15612.3.203.15712.3.203.15812.3.203.15912.3.203.16012.3.203.16112.3.203.16212.3.203.16312.3.203.16412.3.203.16512.3.203.16612.3.203.16712.3.203.16812.3.203.16912.3.203.17012.3.203.17112.3.203.17212.3.203.17312.3.203.17412.3.203.17512.3.203.17612.3.203.17712.3.203.17812.3.203.17912.3.203.18012.3.203.18112.3.203.18212.3.203.18312.3.203.18412.3.203.18512.3.203.18612.3.203.18712.3.203.18812.3.203.18912.3.203.19012.3.203.19112.3.203.19212.3.203.19312.3.203.19412.3.203.19512.3.203.19612.3.203.19712.3.203.19812.3.203.19912.3.203.20012.3.203.20112.3.203.20212.3.203.20312.3.203.20412.3.203.20512.3.203.20612.3.203.20712.3.203.20812.3.203.20912.3.203.21012.3.203.21112.3.203.21212.3.203.21312.3.203.21412.3.203.21512.3.203.21612.3.203.21712.3.203.21812.3.203.21912.3.203.22012.3.203.22112.3.203.22212.3.203.22312.3.203.22412.3.203.22512.3.203.22612.3.203.22712.3.203.22812.3.203.22912.3.203.23012.3.203.23112.3.203.23212.3.203.23312.3.203.23412.3.203.23512.3.203.23612.3.203.23712.3.203.23812.3.203.23912.3.203.24012.3.203.24112.3.203.24212.3.203.24312.3.203.24412.3.203.24512.3.203.24612.3.203.24712.3.203.24812.3.203.24912.3.203.25012.3.203.25112.3.203.25212.3.203.25312.3.203.25412.3.203.255