AS17228 12.129.123.0/24 CIDR and IP Range Summary.ASN: 17228 - AT&T Enhanced Network ServicesHost Count: 254Addressable IPs: 256 12.129.123.012.129.123.112.129.123.212.129.123.312.129.123.412.129.123.512.129.123.612.129.123.712.129.123.812.129.123.912.129.123.1012.129.123.1112.129.123.1212.129.123.1312.129.123.1412.129.123.1512.129.123.1612.129.123.1712.129.123.1812.129.123.1912.129.123.2012.129.123.2112.129.123.2212.129.123.2312.129.123.2412.129.123.2512.129.123.2612.129.123.2712.129.123.2812.129.123.2912.129.123.3012.129.123.3112.129.123.3212.129.123.3312.129.123.3412.129.123.3512.129.123.3612.129.123.3712.129.123.3812.129.123.3912.129.123.4012.129.123.4112.129.123.4212.129.123.4312.129.123.4412.129.123.4512.129.123.4612.129.123.4712.129.123.4812.129.123.4912.129.123.5012.129.123.5112.129.123.5212.129.123.5312.129.123.5412.129.123.5512.129.123.5612.129.123.5712.129.123.5812.129.123.5912.129.123.6012.129.123.6112.129.123.6212.129.123.6312.129.123.6412.129.123.6512.129.123.6612.129.123.6712.129.123.6812.129.123.6912.129.123.7012.129.123.7112.129.123.7212.129.123.7312.129.123.7412.129.123.7512.129.123.7612.129.123.7712.129.123.7812.129.123.7912.129.123.8012.129.123.8112.129.123.8212.129.123.8312.129.123.8412.129.123.8512.129.123.8612.129.123.8712.129.123.8812.129.123.8912.129.123.9012.129.123.9112.129.123.9212.129.123.9312.129.123.9412.129.123.9512.129.123.9612.129.123.9712.129.123.9812.129.123.9912.129.123.10012.129.123.10112.129.123.10212.129.123.10312.129.123.10412.129.123.10512.129.123.10612.129.123.10712.129.123.10812.129.123.10912.129.123.11012.129.123.11112.129.123.11212.129.123.11312.129.123.11412.129.123.11512.129.123.11612.129.123.11712.129.123.11812.129.123.11912.129.123.12012.129.123.12112.129.123.12212.129.123.12312.129.123.12412.129.123.12512.129.123.12612.129.123.12712.129.123.12812.129.123.12912.129.123.13012.129.123.13112.129.123.13212.129.123.13312.129.123.13412.129.123.13512.129.123.13612.129.123.13712.129.123.13812.129.123.13912.129.123.14012.129.123.14112.129.123.14212.129.123.14312.129.123.14412.129.123.14512.129.123.14612.129.123.14712.129.123.14812.129.123.14912.129.123.15012.129.123.15112.129.123.15212.129.123.15312.129.123.15412.129.123.15512.129.123.15612.129.123.15712.129.123.15812.129.123.15912.129.123.16012.129.123.16112.129.123.16212.129.123.16312.129.123.16412.129.123.16512.129.123.16612.129.123.16712.129.123.16812.129.123.16912.129.123.17012.129.123.17112.129.123.17212.129.123.17312.129.123.17412.129.123.17512.129.123.17612.129.123.17712.129.123.17812.129.123.17912.129.123.18012.129.123.18112.129.123.18212.129.123.18312.129.123.18412.129.123.18512.129.123.18612.129.123.18712.129.123.18812.129.123.18912.129.123.19012.129.123.19112.129.123.19212.129.123.19312.129.123.19412.129.123.19512.129.123.19612.129.123.19712.129.123.19812.129.123.19912.129.123.20012.129.123.20112.129.123.20212.129.123.20312.129.123.20412.129.123.20512.129.123.20612.129.123.20712.129.123.20812.129.123.20912.129.123.21012.129.123.21112.129.123.21212.129.123.21312.129.123.21412.129.123.21512.129.123.21612.129.123.21712.129.123.21812.129.123.21912.129.123.22012.129.123.22112.129.123.22212.129.123.22312.129.123.22412.129.123.22512.129.123.22612.129.123.22712.129.123.22812.129.123.22912.129.123.23012.129.123.23112.129.123.23212.129.123.23312.129.123.23412.129.123.23512.129.123.23612.129.123.23712.129.123.23812.129.123.23912.129.123.24012.129.123.24112.129.123.24212.129.123.24312.129.123.24412.129.123.24512.129.123.24612.129.123.24712.129.123.24812.129.123.24912.129.123.25012.129.123.25112.129.123.25212.129.123.25312.129.123.25412.129.123.255