AS17231 12.66.42.0/24 CIDR and IP Range Summary.ASN: 17231 - AT&T Enhanced Network ServicesHost Count: 254Addressable IPs: 256 12.66.42.012.66.42.112.66.42.212.66.42.312.66.42.412.66.42.512.66.42.612.66.42.712.66.42.812.66.42.912.66.42.1012.66.42.1112.66.42.1212.66.42.1312.66.42.1412.66.42.1512.66.42.1612.66.42.1712.66.42.1812.66.42.1912.66.42.2012.66.42.2112.66.42.2212.66.42.2312.66.42.2412.66.42.2512.66.42.2612.66.42.2712.66.42.2812.66.42.2912.66.42.3012.66.42.3112.66.42.3212.66.42.3312.66.42.3412.66.42.3512.66.42.3612.66.42.3712.66.42.3812.66.42.3912.66.42.4012.66.42.4112.66.42.4212.66.42.4312.66.42.4412.66.42.4512.66.42.4612.66.42.4712.66.42.4812.66.42.4912.66.42.5012.66.42.5112.66.42.5212.66.42.5312.66.42.5412.66.42.5512.66.42.5612.66.42.5712.66.42.5812.66.42.5912.66.42.6012.66.42.6112.66.42.6212.66.42.6312.66.42.6412.66.42.6512.66.42.6612.66.42.6712.66.42.6812.66.42.6912.66.42.7012.66.42.7112.66.42.7212.66.42.7312.66.42.7412.66.42.7512.66.42.7612.66.42.7712.66.42.7812.66.42.7912.66.42.8012.66.42.8112.66.42.8212.66.42.8312.66.42.8412.66.42.8512.66.42.8612.66.42.8712.66.42.8812.66.42.8912.66.42.9012.66.42.9112.66.42.9212.66.42.9312.66.42.9412.66.42.9512.66.42.9612.66.42.9712.66.42.9812.66.42.9912.66.42.10012.66.42.10112.66.42.10212.66.42.10312.66.42.10412.66.42.10512.66.42.10612.66.42.10712.66.42.10812.66.42.10912.66.42.11012.66.42.11112.66.42.11212.66.42.11312.66.42.11412.66.42.11512.66.42.11612.66.42.11712.66.42.11812.66.42.11912.66.42.12012.66.42.12112.66.42.12212.66.42.12312.66.42.12412.66.42.12512.66.42.12612.66.42.12712.66.42.12812.66.42.12912.66.42.13012.66.42.13112.66.42.13212.66.42.13312.66.42.13412.66.42.13512.66.42.13612.66.42.13712.66.42.13812.66.42.13912.66.42.14012.66.42.14112.66.42.14212.66.42.14312.66.42.14412.66.42.14512.66.42.14612.66.42.14712.66.42.14812.66.42.14912.66.42.15012.66.42.15112.66.42.15212.66.42.15312.66.42.15412.66.42.15512.66.42.15612.66.42.15712.66.42.15812.66.42.15912.66.42.16012.66.42.16112.66.42.16212.66.42.16312.66.42.16412.66.42.16512.66.42.16612.66.42.16712.66.42.16812.66.42.16912.66.42.17012.66.42.17112.66.42.17212.66.42.17312.66.42.17412.66.42.17512.66.42.17612.66.42.17712.66.42.17812.66.42.17912.66.42.18012.66.42.18112.66.42.18212.66.42.18312.66.42.18412.66.42.18512.66.42.18612.66.42.18712.66.42.18812.66.42.18912.66.42.19012.66.42.19112.66.42.19212.66.42.19312.66.42.19412.66.42.19512.66.42.19612.66.42.19712.66.42.19812.66.42.19912.66.42.20012.66.42.20112.66.42.20212.66.42.20312.66.42.20412.66.42.20512.66.42.20612.66.42.20712.66.42.20812.66.42.20912.66.42.21012.66.42.21112.66.42.21212.66.42.21312.66.42.21412.66.42.21512.66.42.21612.66.42.21712.66.42.21812.66.42.21912.66.42.22012.66.42.22112.66.42.22212.66.42.22312.66.42.22412.66.42.22512.66.42.22612.66.42.22712.66.42.22812.66.42.22912.66.42.23012.66.42.23112.66.42.23212.66.42.23312.66.42.23412.66.42.23512.66.42.23612.66.42.23712.66.42.23812.66.42.23912.66.42.24012.66.42.24112.66.42.24212.66.42.24312.66.42.24412.66.42.24512.66.42.24612.66.42.24712.66.42.24812.66.42.24912.66.42.25012.66.42.25112.66.42.25212.66.42.25312.66.42.25412.66.42.255