AS20057 166.215.12.0/24 CIDR and IP Range Summary.ASN: 20057 - AT&T Mobility LLCHost Count: 254Addressable IPs: 256 166.215.12.0166.215.12.1166.215.12.2166.215.12.3166.215.12.4166.215.12.5166.215.12.6166.215.12.7166.215.12.8166.215.12.9166.215.12.10166.215.12.11166.215.12.12166.215.12.13166.215.12.14166.215.12.15166.215.12.16166.215.12.17166.215.12.18166.215.12.19166.215.12.20166.215.12.21166.215.12.22166.215.12.23166.215.12.24166.215.12.25166.215.12.26166.215.12.27166.215.12.28166.215.12.29166.215.12.30166.215.12.31166.215.12.32166.215.12.33166.215.12.34166.215.12.35166.215.12.36166.215.12.37166.215.12.38166.215.12.39166.215.12.40166.215.12.41166.215.12.42166.215.12.43166.215.12.44166.215.12.45166.215.12.46166.215.12.47166.215.12.48166.215.12.49166.215.12.50166.215.12.51166.215.12.52166.215.12.53166.215.12.54166.215.12.55166.215.12.56166.215.12.57166.215.12.58166.215.12.59166.215.12.60166.215.12.61166.215.12.62166.215.12.63166.215.12.64166.215.12.65166.215.12.66166.215.12.67166.215.12.68166.215.12.69166.215.12.70166.215.12.71166.215.12.72166.215.12.73166.215.12.74166.215.12.75166.215.12.76166.215.12.77166.215.12.78166.215.12.79166.215.12.80166.215.12.81166.215.12.82166.215.12.83166.215.12.84166.215.12.85166.215.12.86166.215.12.87166.215.12.88166.215.12.89166.215.12.90166.215.12.91166.215.12.92166.215.12.93166.215.12.94166.215.12.95166.215.12.96166.215.12.97166.215.12.98166.215.12.99166.215.12.100166.215.12.101166.215.12.102166.215.12.103166.215.12.104166.215.12.105166.215.12.106166.215.12.107166.215.12.108166.215.12.109166.215.12.110166.215.12.111166.215.12.112166.215.12.113166.215.12.114166.215.12.115166.215.12.116166.215.12.117166.215.12.118166.215.12.119166.215.12.120166.215.12.121166.215.12.122166.215.12.123166.215.12.124166.215.12.125166.215.12.126166.215.12.127166.215.12.128166.215.12.129166.215.12.130166.215.12.131166.215.12.132166.215.12.133166.215.12.134166.215.12.135166.215.12.136166.215.12.137166.215.12.138166.215.12.139166.215.12.140166.215.12.141166.215.12.142166.215.12.143166.215.12.144166.215.12.145166.215.12.146166.215.12.147166.215.12.148166.215.12.149166.215.12.150166.215.12.151166.215.12.152166.215.12.153166.215.12.154166.215.12.155166.215.12.156166.215.12.157166.215.12.158166.215.12.159166.215.12.160166.215.12.161166.215.12.162166.215.12.163166.215.12.164166.215.12.165166.215.12.166166.215.12.167166.215.12.168166.215.12.169166.215.12.170166.215.12.171166.215.12.172166.215.12.173166.215.12.174166.215.12.175166.215.12.176166.215.12.177166.215.12.178166.215.12.179166.215.12.180166.215.12.181166.215.12.182166.215.12.183166.215.12.184166.215.12.185166.215.12.186166.215.12.187166.215.12.188166.215.12.189166.215.12.190166.215.12.191166.215.12.192166.215.12.193166.215.12.194166.215.12.195166.215.12.196166.215.12.197166.215.12.198166.215.12.199166.215.12.200166.215.12.201166.215.12.202166.215.12.203166.215.12.204166.215.12.205166.215.12.206166.215.12.207166.215.12.208166.215.12.209166.215.12.210166.215.12.211166.215.12.212166.215.12.213166.215.12.214166.215.12.215166.215.12.216166.215.12.217166.215.12.218166.215.12.219166.215.12.220166.215.12.221166.215.12.222166.215.12.223166.215.12.224166.215.12.225166.215.12.226166.215.12.227166.215.12.228166.215.12.229166.215.12.230166.215.12.231166.215.12.232166.215.12.233166.215.12.234166.215.12.235166.215.12.236166.215.12.237166.215.12.238166.215.12.239166.215.12.240166.215.12.241166.215.12.242166.215.12.243166.215.12.244166.215.12.245166.215.12.246166.215.12.247166.215.12.248166.215.12.249166.215.12.250166.215.12.251166.215.12.252166.215.12.253166.215.12.254166.215.12.255