AS17231 12.66.81.0/24 CIDR and IP Range Summary.ASN: 17231 - AT&T Enhanced Network ServicesHost Count: 254Addressable IPs: 256 12.66.81.012.66.81.112.66.81.212.66.81.312.66.81.412.66.81.512.66.81.612.66.81.712.66.81.812.66.81.912.66.81.1012.66.81.1112.66.81.1212.66.81.1312.66.81.1412.66.81.1512.66.81.1612.66.81.1712.66.81.1812.66.81.1912.66.81.2012.66.81.2112.66.81.2212.66.81.2312.66.81.2412.66.81.2512.66.81.2612.66.81.2712.66.81.2812.66.81.2912.66.81.3012.66.81.3112.66.81.3212.66.81.3312.66.81.3412.66.81.3512.66.81.3612.66.81.3712.66.81.3812.66.81.3912.66.81.4012.66.81.4112.66.81.4212.66.81.4312.66.81.4412.66.81.4512.66.81.4612.66.81.4712.66.81.4812.66.81.4912.66.81.5012.66.81.5112.66.81.5212.66.81.5312.66.81.5412.66.81.5512.66.81.5612.66.81.5712.66.81.5812.66.81.5912.66.81.6012.66.81.6112.66.81.6212.66.81.6312.66.81.6412.66.81.6512.66.81.6612.66.81.6712.66.81.6812.66.81.6912.66.81.7012.66.81.7112.66.81.7212.66.81.7312.66.81.7412.66.81.7512.66.81.7612.66.81.7712.66.81.7812.66.81.7912.66.81.8012.66.81.8112.66.81.8212.66.81.8312.66.81.8412.66.81.8512.66.81.8612.66.81.8712.66.81.8812.66.81.8912.66.81.9012.66.81.9112.66.81.9212.66.81.9312.66.81.9412.66.81.9512.66.81.9612.66.81.9712.66.81.9812.66.81.9912.66.81.10012.66.81.10112.66.81.10212.66.81.10312.66.81.10412.66.81.10512.66.81.10612.66.81.10712.66.81.10812.66.81.10912.66.81.11012.66.81.11112.66.81.11212.66.81.11312.66.81.11412.66.81.11512.66.81.11612.66.81.11712.66.81.11812.66.81.11912.66.81.12012.66.81.12112.66.81.12212.66.81.12312.66.81.12412.66.81.12512.66.81.12612.66.81.12712.66.81.12812.66.81.12912.66.81.13012.66.81.13112.66.81.13212.66.81.13312.66.81.13412.66.81.13512.66.81.13612.66.81.13712.66.81.13812.66.81.13912.66.81.14012.66.81.14112.66.81.14212.66.81.14312.66.81.14412.66.81.14512.66.81.14612.66.81.14712.66.81.14812.66.81.14912.66.81.15012.66.81.15112.66.81.15212.66.81.15312.66.81.15412.66.81.15512.66.81.15612.66.81.15712.66.81.15812.66.81.15912.66.81.16012.66.81.16112.66.81.16212.66.81.16312.66.81.16412.66.81.16512.66.81.16612.66.81.16712.66.81.16812.66.81.16912.66.81.17012.66.81.17112.66.81.17212.66.81.17312.66.81.17412.66.81.17512.66.81.17612.66.81.17712.66.81.17812.66.81.17912.66.81.18012.66.81.18112.66.81.18212.66.81.18312.66.81.18412.66.81.18512.66.81.18612.66.81.18712.66.81.18812.66.81.18912.66.81.19012.66.81.19112.66.81.19212.66.81.19312.66.81.19412.66.81.19512.66.81.19612.66.81.19712.66.81.19812.66.81.19912.66.81.20012.66.81.20112.66.81.20212.66.81.20312.66.81.20412.66.81.20512.66.81.20612.66.81.20712.66.81.20812.66.81.20912.66.81.21012.66.81.21112.66.81.21212.66.81.21312.66.81.21412.66.81.21512.66.81.21612.66.81.21712.66.81.21812.66.81.21912.66.81.22012.66.81.22112.66.81.22212.66.81.22312.66.81.22412.66.81.22512.66.81.22612.66.81.22712.66.81.22812.66.81.22912.66.81.23012.66.81.23112.66.81.23212.66.81.23312.66.81.23412.66.81.23512.66.81.23612.66.81.23712.66.81.23812.66.81.23912.66.81.24012.66.81.24112.66.81.24212.66.81.24312.66.81.24412.66.81.24512.66.81.24612.66.81.24712.66.81.24812.66.81.24912.66.81.25012.66.81.25112.66.81.25212.66.81.25312.66.81.25412.66.81.255