AS7018 12.171.91.0/24 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 254Addressable IPs: 256 12.171.91.012.171.91.112.171.91.212.171.91.312.171.91.412.171.91.512.171.91.612.171.91.712.171.91.812.171.91.912.171.91.1012.171.91.1112.171.91.1212.171.91.1312.171.91.1412.171.91.1512.171.91.1612.171.91.1712.171.91.1812.171.91.1912.171.91.2012.171.91.2112.171.91.2212.171.91.2312.171.91.2412.171.91.2512.171.91.2612.171.91.2712.171.91.2812.171.91.2912.171.91.3012.171.91.3112.171.91.3212.171.91.3312.171.91.3412.171.91.3512.171.91.3612.171.91.3712.171.91.3812.171.91.3912.171.91.4012.171.91.4112.171.91.4212.171.91.4312.171.91.4412.171.91.4512.171.91.4612.171.91.4712.171.91.4812.171.91.4912.171.91.5012.171.91.5112.171.91.5212.171.91.5312.171.91.5412.171.91.5512.171.91.5612.171.91.5712.171.91.5812.171.91.5912.171.91.6012.171.91.6112.171.91.6212.171.91.6312.171.91.6412.171.91.6512.171.91.6612.171.91.6712.171.91.6812.171.91.6912.171.91.7012.171.91.7112.171.91.7212.171.91.7312.171.91.7412.171.91.7512.171.91.7612.171.91.7712.171.91.7812.171.91.7912.171.91.8012.171.91.8112.171.91.8212.171.91.8312.171.91.8412.171.91.8512.171.91.8612.171.91.8712.171.91.8812.171.91.8912.171.91.9012.171.91.9112.171.91.9212.171.91.9312.171.91.9412.171.91.9512.171.91.9612.171.91.9712.171.91.9812.171.91.9912.171.91.10012.171.91.10112.171.91.10212.171.91.10312.171.91.10412.171.91.10512.171.91.10612.171.91.10712.171.91.10812.171.91.10912.171.91.11012.171.91.11112.171.91.11212.171.91.11312.171.91.11412.171.91.11512.171.91.11612.171.91.11712.171.91.11812.171.91.11912.171.91.12012.171.91.12112.171.91.12212.171.91.12312.171.91.12412.171.91.12512.171.91.12612.171.91.12712.171.91.12812.171.91.12912.171.91.13012.171.91.13112.171.91.13212.171.91.13312.171.91.13412.171.91.13512.171.91.13612.171.91.13712.171.91.13812.171.91.13912.171.91.14012.171.91.14112.171.91.14212.171.91.14312.171.91.14412.171.91.14512.171.91.14612.171.91.14712.171.91.14812.171.91.14912.171.91.15012.171.91.15112.171.91.15212.171.91.15312.171.91.15412.171.91.15512.171.91.15612.171.91.15712.171.91.15812.171.91.15912.171.91.16012.171.91.16112.171.91.16212.171.91.16312.171.91.16412.171.91.16512.171.91.16612.171.91.16712.171.91.16812.171.91.16912.171.91.17012.171.91.17112.171.91.17212.171.91.17312.171.91.17412.171.91.17512.171.91.17612.171.91.17712.171.91.17812.171.91.17912.171.91.18012.171.91.18112.171.91.18212.171.91.18312.171.91.18412.171.91.18512.171.91.18612.171.91.18712.171.91.18812.171.91.18912.171.91.19012.171.91.19112.171.91.19212.171.91.19312.171.91.19412.171.91.19512.171.91.19612.171.91.19712.171.91.19812.171.91.19912.171.91.20012.171.91.20112.171.91.20212.171.91.20312.171.91.20412.171.91.20512.171.91.20612.171.91.20712.171.91.20812.171.91.20912.171.91.21012.171.91.21112.171.91.21212.171.91.21312.171.91.21412.171.91.21512.171.91.21612.171.91.21712.171.91.21812.171.91.21912.171.91.22012.171.91.22112.171.91.22212.171.91.22312.171.91.22412.171.91.22512.171.91.22612.171.91.22712.171.91.22812.171.91.22912.171.91.23012.171.91.23112.171.91.23212.171.91.23312.171.91.23412.171.91.23512.171.91.23612.171.91.23712.171.91.23812.171.91.23912.171.91.24012.171.91.24112.171.91.24212.171.91.24312.171.91.24412.171.91.24512.171.91.24612.171.91.24712.171.91.24812.171.91.24912.171.91.25012.171.91.25112.171.91.25212.171.91.25312.171.91.25412.171.91.255