AS17231 12.66.89.0/24 CIDR and IP Range Summary.ASN: 17231 - AT&T Enhanced Network ServicesHost Count: 254Addressable IPs: 256 12.66.89.012.66.89.112.66.89.212.66.89.312.66.89.412.66.89.512.66.89.612.66.89.712.66.89.812.66.89.912.66.89.1012.66.89.1112.66.89.1212.66.89.1312.66.89.1412.66.89.1512.66.89.1612.66.89.1712.66.89.1812.66.89.1912.66.89.2012.66.89.2112.66.89.2212.66.89.2312.66.89.2412.66.89.2512.66.89.2612.66.89.2712.66.89.2812.66.89.2912.66.89.3012.66.89.3112.66.89.3212.66.89.3312.66.89.3412.66.89.3512.66.89.3612.66.89.3712.66.89.3812.66.89.3912.66.89.4012.66.89.4112.66.89.4212.66.89.4312.66.89.4412.66.89.4512.66.89.4612.66.89.4712.66.89.4812.66.89.4912.66.89.5012.66.89.5112.66.89.5212.66.89.5312.66.89.5412.66.89.5512.66.89.5612.66.89.5712.66.89.5812.66.89.5912.66.89.6012.66.89.6112.66.89.6212.66.89.6312.66.89.6412.66.89.6512.66.89.6612.66.89.6712.66.89.6812.66.89.6912.66.89.7012.66.89.7112.66.89.7212.66.89.7312.66.89.7412.66.89.7512.66.89.7612.66.89.7712.66.89.7812.66.89.7912.66.89.8012.66.89.8112.66.89.8212.66.89.8312.66.89.8412.66.89.8512.66.89.8612.66.89.8712.66.89.8812.66.89.8912.66.89.9012.66.89.9112.66.89.9212.66.89.9312.66.89.9412.66.89.9512.66.89.9612.66.89.9712.66.89.9812.66.89.9912.66.89.10012.66.89.10112.66.89.10212.66.89.10312.66.89.10412.66.89.10512.66.89.10612.66.89.10712.66.89.10812.66.89.10912.66.89.11012.66.89.11112.66.89.11212.66.89.11312.66.89.11412.66.89.11512.66.89.11612.66.89.11712.66.89.11812.66.89.11912.66.89.12012.66.89.12112.66.89.12212.66.89.12312.66.89.12412.66.89.12512.66.89.12612.66.89.12712.66.89.12812.66.89.12912.66.89.13012.66.89.13112.66.89.13212.66.89.13312.66.89.13412.66.89.13512.66.89.13612.66.89.13712.66.89.13812.66.89.13912.66.89.14012.66.89.14112.66.89.14212.66.89.14312.66.89.14412.66.89.14512.66.89.14612.66.89.14712.66.89.14812.66.89.14912.66.89.15012.66.89.15112.66.89.15212.66.89.15312.66.89.15412.66.89.15512.66.89.15612.66.89.15712.66.89.15812.66.89.15912.66.89.16012.66.89.16112.66.89.16212.66.89.16312.66.89.16412.66.89.16512.66.89.16612.66.89.16712.66.89.16812.66.89.16912.66.89.17012.66.89.17112.66.89.17212.66.89.17312.66.89.17412.66.89.17512.66.89.17612.66.89.17712.66.89.17812.66.89.17912.66.89.18012.66.89.18112.66.89.18212.66.89.18312.66.89.18412.66.89.18512.66.89.18612.66.89.18712.66.89.18812.66.89.18912.66.89.19012.66.89.19112.66.89.19212.66.89.19312.66.89.19412.66.89.19512.66.89.19612.66.89.19712.66.89.19812.66.89.19912.66.89.20012.66.89.20112.66.89.20212.66.89.20312.66.89.20412.66.89.20512.66.89.20612.66.89.20712.66.89.20812.66.89.20912.66.89.21012.66.89.21112.66.89.21212.66.89.21312.66.89.21412.66.89.21512.66.89.21612.66.89.21712.66.89.21812.66.89.21912.66.89.22012.66.89.22112.66.89.22212.66.89.22312.66.89.22412.66.89.22512.66.89.22612.66.89.22712.66.89.22812.66.89.22912.66.89.23012.66.89.23112.66.89.23212.66.89.23312.66.89.23412.66.89.23512.66.89.23612.66.89.23712.66.89.23812.66.89.23912.66.89.24012.66.89.24112.66.89.24212.66.89.24312.66.89.24412.66.89.24512.66.89.24612.66.89.24712.66.89.24812.66.89.24912.66.89.25012.66.89.25112.66.89.25212.66.89.25312.66.89.25412.66.89.255