AS19957 208.63.128.0/24 CIDR and IP Range Summary.ASN: 19957 - AT&T Corp.Host Count: 254Addressable IPs: 256 208.63.128.0208.63.128.1208.63.128.2208.63.128.3208.63.128.4208.63.128.5208.63.128.6208.63.128.7208.63.128.8208.63.128.9208.63.128.10208.63.128.11208.63.128.12208.63.128.13208.63.128.14208.63.128.15208.63.128.16208.63.128.17208.63.128.18208.63.128.19208.63.128.20208.63.128.21208.63.128.22208.63.128.23208.63.128.24208.63.128.25208.63.128.26208.63.128.27208.63.128.28208.63.128.29208.63.128.30208.63.128.31208.63.128.32208.63.128.33208.63.128.34208.63.128.35208.63.128.36208.63.128.37208.63.128.38208.63.128.39208.63.128.40208.63.128.41208.63.128.42208.63.128.43208.63.128.44208.63.128.45208.63.128.46208.63.128.47208.63.128.48208.63.128.49208.63.128.50208.63.128.51208.63.128.52208.63.128.53208.63.128.54208.63.128.55208.63.128.56208.63.128.57208.63.128.58208.63.128.59208.63.128.60208.63.128.61208.63.128.62208.63.128.63208.63.128.64208.63.128.65208.63.128.66208.63.128.67208.63.128.68208.63.128.69208.63.128.70208.63.128.71208.63.128.72208.63.128.73208.63.128.74208.63.128.75208.63.128.76208.63.128.77208.63.128.78208.63.128.79208.63.128.80208.63.128.81208.63.128.82208.63.128.83208.63.128.84208.63.128.85208.63.128.86208.63.128.87208.63.128.88208.63.128.89208.63.128.90208.63.128.91208.63.128.92208.63.128.93208.63.128.94208.63.128.95208.63.128.96208.63.128.97208.63.128.98208.63.128.99208.63.128.100208.63.128.101208.63.128.102208.63.128.103208.63.128.104208.63.128.105208.63.128.106208.63.128.107208.63.128.108208.63.128.109208.63.128.110208.63.128.111208.63.128.112208.63.128.113208.63.128.114208.63.128.115208.63.128.116208.63.128.117208.63.128.118208.63.128.119208.63.128.120208.63.128.121208.63.128.122208.63.128.123208.63.128.124208.63.128.125208.63.128.126208.63.128.127208.63.128.128208.63.128.129208.63.128.130208.63.128.131208.63.128.132208.63.128.133208.63.128.134208.63.128.135208.63.128.136208.63.128.137208.63.128.138208.63.128.139208.63.128.140208.63.128.141208.63.128.142208.63.128.143208.63.128.144208.63.128.145208.63.128.146208.63.128.147208.63.128.148208.63.128.149208.63.128.150208.63.128.151208.63.128.152208.63.128.153208.63.128.154208.63.128.155208.63.128.156208.63.128.157208.63.128.158208.63.128.159208.63.128.160208.63.128.161208.63.128.162208.63.128.163208.63.128.164208.63.128.165208.63.128.166208.63.128.167208.63.128.168208.63.128.169208.63.128.170208.63.128.171208.63.128.172208.63.128.173208.63.128.174208.63.128.175208.63.128.176208.63.128.177208.63.128.178208.63.128.179208.63.128.180208.63.128.181208.63.128.182208.63.128.183208.63.128.184208.63.128.185208.63.128.186208.63.128.187208.63.128.188208.63.128.189208.63.128.190208.63.128.191208.63.128.192208.63.128.193208.63.128.194208.63.128.195208.63.128.196208.63.128.197208.63.128.198208.63.128.199208.63.128.200208.63.128.201208.63.128.202208.63.128.203208.63.128.204208.63.128.205208.63.128.206208.63.128.207208.63.128.208208.63.128.209208.63.128.210208.63.128.211208.63.128.212208.63.128.213208.63.128.214208.63.128.215208.63.128.216208.63.128.217208.63.128.218208.63.128.219208.63.128.220208.63.128.221208.63.128.222208.63.128.223208.63.128.224208.63.128.225208.63.128.226208.63.128.227208.63.128.228208.63.128.229208.63.128.230208.63.128.231208.63.128.232208.63.128.233208.63.128.234208.63.128.235208.63.128.236208.63.128.237208.63.128.238208.63.128.239208.63.128.240208.63.128.241208.63.128.242208.63.128.243208.63.128.244208.63.128.245208.63.128.246208.63.128.247208.63.128.248208.63.128.249208.63.128.250208.63.128.251208.63.128.252208.63.128.253208.63.128.254208.63.128.255