AS20057 166.215.4.0/24 CIDR and IP Range Summary.ASN: 20057 - AT&T Mobility LLCHost Count: 254Addressable IPs: 256 166.215.4.0166.215.4.1166.215.4.2166.215.4.3166.215.4.4166.215.4.5166.215.4.6166.215.4.7166.215.4.8166.215.4.9166.215.4.10166.215.4.11166.215.4.12166.215.4.13166.215.4.14166.215.4.15166.215.4.16166.215.4.17166.215.4.18166.215.4.19166.215.4.20166.215.4.21166.215.4.22166.215.4.23166.215.4.24166.215.4.25166.215.4.26166.215.4.27166.215.4.28166.215.4.29166.215.4.30166.215.4.31166.215.4.32166.215.4.33166.215.4.34166.215.4.35166.215.4.36166.215.4.37166.215.4.38166.215.4.39166.215.4.40166.215.4.41166.215.4.42166.215.4.43166.215.4.44166.215.4.45166.215.4.46166.215.4.47166.215.4.48166.215.4.49166.215.4.50166.215.4.51166.215.4.52166.215.4.53166.215.4.54166.215.4.55166.215.4.56166.215.4.57166.215.4.58166.215.4.59166.215.4.60166.215.4.61166.215.4.62166.215.4.63166.215.4.64166.215.4.65166.215.4.66166.215.4.67166.215.4.68166.215.4.69166.215.4.70166.215.4.71166.215.4.72166.215.4.73166.215.4.74166.215.4.75166.215.4.76166.215.4.77166.215.4.78166.215.4.79166.215.4.80166.215.4.81166.215.4.82166.215.4.83166.215.4.84166.215.4.85166.215.4.86166.215.4.87166.215.4.88166.215.4.89166.215.4.90166.215.4.91166.215.4.92166.215.4.93166.215.4.94166.215.4.95166.215.4.96166.215.4.97166.215.4.98166.215.4.99166.215.4.100166.215.4.101166.215.4.102166.215.4.103166.215.4.104166.215.4.105166.215.4.106166.215.4.107166.215.4.108166.215.4.109166.215.4.110166.215.4.111166.215.4.112166.215.4.113166.215.4.114166.215.4.115166.215.4.116166.215.4.117166.215.4.118166.215.4.119166.215.4.120166.215.4.121166.215.4.122166.215.4.123166.215.4.124166.215.4.125166.215.4.126166.215.4.127166.215.4.128166.215.4.129166.215.4.130166.215.4.131166.215.4.132166.215.4.133166.215.4.134166.215.4.135166.215.4.136166.215.4.137166.215.4.138166.215.4.139166.215.4.140166.215.4.141166.215.4.142166.215.4.143166.215.4.144166.215.4.145166.215.4.146166.215.4.147166.215.4.148166.215.4.149166.215.4.150166.215.4.151166.215.4.152166.215.4.153166.215.4.154166.215.4.155166.215.4.156166.215.4.157166.215.4.158166.215.4.159166.215.4.160166.215.4.161166.215.4.162166.215.4.163166.215.4.164166.215.4.165166.215.4.166166.215.4.167166.215.4.168166.215.4.169166.215.4.170166.215.4.171166.215.4.172166.215.4.173166.215.4.174166.215.4.175166.215.4.176166.215.4.177166.215.4.178166.215.4.179166.215.4.180166.215.4.181166.215.4.182166.215.4.183166.215.4.184166.215.4.185166.215.4.186166.215.4.187166.215.4.188166.215.4.189166.215.4.190166.215.4.191166.215.4.192166.215.4.193166.215.4.194166.215.4.195166.215.4.196166.215.4.197166.215.4.198166.215.4.199166.215.4.200166.215.4.201166.215.4.202166.215.4.203166.215.4.204166.215.4.205166.215.4.206166.215.4.207166.215.4.208166.215.4.209166.215.4.210166.215.4.211166.215.4.212166.215.4.213166.215.4.214166.215.4.215166.215.4.216166.215.4.217166.215.4.218166.215.4.219166.215.4.220166.215.4.221166.215.4.222166.215.4.223166.215.4.224166.215.4.225166.215.4.226166.215.4.227166.215.4.228166.215.4.229166.215.4.230166.215.4.231166.215.4.232166.215.4.233166.215.4.234166.215.4.235166.215.4.236166.215.4.237166.215.4.238166.215.4.239166.215.4.240166.215.4.241166.215.4.242166.215.4.243166.215.4.244166.215.4.245166.215.4.246166.215.4.247166.215.4.248166.215.4.249166.215.4.250166.215.4.251166.215.4.252166.215.4.253166.215.4.254166.215.4.255