AS2386 12.173.55.0/24 CIDR and IP Range Summary.ASN: 2386 - AT&T Data Communications ServicesHost Count: 254Addressable IPs: 256 12.173.55.012.173.55.112.173.55.212.173.55.312.173.55.412.173.55.512.173.55.612.173.55.712.173.55.812.173.55.912.173.55.1012.173.55.1112.173.55.1212.173.55.1312.173.55.1412.173.55.1512.173.55.1612.173.55.1712.173.55.1812.173.55.1912.173.55.2012.173.55.2112.173.55.2212.173.55.2312.173.55.2412.173.55.2512.173.55.2612.173.55.2712.173.55.2812.173.55.2912.173.55.3012.173.55.3112.173.55.3212.173.55.3312.173.55.3412.173.55.3512.173.55.3612.173.55.3712.173.55.3812.173.55.3912.173.55.4012.173.55.4112.173.55.4212.173.55.4312.173.55.4412.173.55.4512.173.55.4612.173.55.4712.173.55.4812.173.55.4912.173.55.5012.173.55.5112.173.55.5212.173.55.5312.173.55.5412.173.55.5512.173.55.5612.173.55.5712.173.55.5812.173.55.5912.173.55.6012.173.55.6112.173.55.6212.173.55.6312.173.55.6412.173.55.6512.173.55.6612.173.55.6712.173.55.6812.173.55.6912.173.55.7012.173.55.7112.173.55.7212.173.55.7312.173.55.7412.173.55.7512.173.55.7612.173.55.7712.173.55.7812.173.55.7912.173.55.8012.173.55.8112.173.55.8212.173.55.8312.173.55.8412.173.55.8512.173.55.8612.173.55.8712.173.55.8812.173.55.8912.173.55.9012.173.55.9112.173.55.9212.173.55.9312.173.55.9412.173.55.9512.173.55.9612.173.55.9712.173.55.9812.173.55.9912.173.55.10012.173.55.10112.173.55.10212.173.55.10312.173.55.10412.173.55.10512.173.55.10612.173.55.10712.173.55.10812.173.55.10912.173.55.11012.173.55.11112.173.55.11212.173.55.11312.173.55.11412.173.55.11512.173.55.11612.173.55.11712.173.55.11812.173.55.11912.173.55.12012.173.55.12112.173.55.12212.173.55.12312.173.55.12412.173.55.12512.173.55.12612.173.55.12712.173.55.12812.173.55.12912.173.55.13012.173.55.13112.173.55.13212.173.55.13312.173.55.13412.173.55.13512.173.55.13612.173.55.13712.173.55.13812.173.55.13912.173.55.14012.173.55.14112.173.55.14212.173.55.14312.173.55.14412.173.55.14512.173.55.14612.173.55.14712.173.55.14812.173.55.14912.173.55.15012.173.55.15112.173.55.15212.173.55.15312.173.55.15412.173.55.15512.173.55.15612.173.55.15712.173.55.15812.173.55.15912.173.55.16012.173.55.16112.173.55.16212.173.55.16312.173.55.16412.173.55.16512.173.55.16612.173.55.16712.173.55.16812.173.55.16912.173.55.17012.173.55.17112.173.55.17212.173.55.17312.173.55.17412.173.55.17512.173.55.17612.173.55.17712.173.55.17812.173.55.17912.173.55.18012.173.55.18112.173.55.18212.173.55.18312.173.55.18412.173.55.18512.173.55.18612.173.55.18712.173.55.18812.173.55.18912.173.55.19012.173.55.19112.173.55.19212.173.55.19312.173.55.19412.173.55.19512.173.55.19612.173.55.19712.173.55.19812.173.55.19912.173.55.20012.173.55.20112.173.55.20212.173.55.20312.173.55.20412.173.55.20512.173.55.20612.173.55.20712.173.55.20812.173.55.20912.173.55.21012.173.55.21112.173.55.21212.173.55.21312.173.55.21412.173.55.21512.173.55.21612.173.55.21712.173.55.21812.173.55.21912.173.55.22012.173.55.22112.173.55.22212.173.55.22312.173.55.22412.173.55.22512.173.55.22612.173.55.22712.173.55.22812.173.55.22912.173.55.23012.173.55.23112.173.55.23212.173.55.23312.173.55.23412.173.55.23512.173.55.23612.173.55.23712.173.55.23812.173.55.23912.173.55.24012.173.55.24112.173.55.24212.173.55.24312.173.55.24412.173.55.24512.173.55.24612.173.55.24712.173.55.24812.173.55.24912.173.55.25012.173.55.25112.173.55.25212.173.55.25312.173.55.25412.173.55.255