AS19957 66.4.248.0/24 CIDR and IP Range Summary.ASN: 19957 - AT&T Corp.Host Count: 254Addressable IPs: 256 66.4.248.066.4.248.166.4.248.266.4.248.366.4.248.466.4.248.566.4.248.666.4.248.766.4.248.866.4.248.966.4.248.1066.4.248.1166.4.248.1266.4.248.1366.4.248.1466.4.248.1566.4.248.1666.4.248.1766.4.248.1866.4.248.1966.4.248.2066.4.248.2166.4.248.2266.4.248.2366.4.248.2466.4.248.2566.4.248.2666.4.248.2766.4.248.2866.4.248.2966.4.248.3066.4.248.3166.4.248.3266.4.248.3366.4.248.3466.4.248.3566.4.248.3666.4.248.3766.4.248.3866.4.248.3966.4.248.4066.4.248.4166.4.248.4266.4.248.4366.4.248.4466.4.248.4566.4.248.4666.4.248.4766.4.248.4866.4.248.4966.4.248.5066.4.248.5166.4.248.5266.4.248.5366.4.248.5466.4.248.5566.4.248.5666.4.248.5766.4.248.5866.4.248.5966.4.248.6066.4.248.6166.4.248.6266.4.248.6366.4.248.6466.4.248.6566.4.248.6666.4.248.6766.4.248.6866.4.248.6966.4.248.7066.4.248.7166.4.248.7266.4.248.7366.4.248.7466.4.248.7566.4.248.7666.4.248.7766.4.248.7866.4.248.7966.4.248.8066.4.248.8166.4.248.8266.4.248.8366.4.248.8466.4.248.8566.4.248.8666.4.248.8766.4.248.8866.4.248.8966.4.248.9066.4.248.9166.4.248.9266.4.248.9366.4.248.9466.4.248.9566.4.248.9666.4.248.9766.4.248.9866.4.248.9966.4.248.10066.4.248.10166.4.248.10266.4.248.10366.4.248.10466.4.248.10566.4.248.10666.4.248.10766.4.248.10866.4.248.10966.4.248.11066.4.248.11166.4.248.11266.4.248.11366.4.248.11466.4.248.11566.4.248.11666.4.248.11766.4.248.11866.4.248.11966.4.248.12066.4.248.12166.4.248.12266.4.248.12366.4.248.12466.4.248.12566.4.248.12666.4.248.12766.4.248.12866.4.248.12966.4.248.13066.4.248.13166.4.248.13266.4.248.13366.4.248.13466.4.248.13566.4.248.13666.4.248.13766.4.248.13866.4.248.13966.4.248.14066.4.248.14166.4.248.14266.4.248.14366.4.248.14466.4.248.14566.4.248.14666.4.248.14766.4.248.14866.4.248.14966.4.248.15066.4.248.15166.4.248.15266.4.248.15366.4.248.15466.4.248.15566.4.248.15666.4.248.15766.4.248.15866.4.248.15966.4.248.16066.4.248.16166.4.248.16266.4.248.16366.4.248.16466.4.248.16566.4.248.16666.4.248.16766.4.248.16866.4.248.16966.4.248.17066.4.248.17166.4.248.17266.4.248.17366.4.248.17466.4.248.17566.4.248.17666.4.248.17766.4.248.17866.4.248.17966.4.248.18066.4.248.18166.4.248.18266.4.248.18366.4.248.18466.4.248.18566.4.248.18666.4.248.18766.4.248.18866.4.248.18966.4.248.19066.4.248.19166.4.248.19266.4.248.19366.4.248.19466.4.248.19566.4.248.19666.4.248.19766.4.248.19866.4.248.19966.4.248.20066.4.248.20166.4.248.20266.4.248.20366.4.248.20466.4.248.20566.4.248.20666.4.248.20766.4.248.20866.4.248.20966.4.248.21066.4.248.21166.4.248.21266.4.248.21366.4.248.21466.4.248.21566.4.248.21666.4.248.21766.4.248.21866.4.248.21966.4.248.22066.4.248.22166.4.248.22266.4.248.22366.4.248.22466.4.248.22566.4.248.22666.4.248.22766.4.248.22866.4.248.22966.4.248.23066.4.248.23166.4.248.23266.4.248.23366.4.248.23466.4.248.23566.4.248.23666.4.248.23766.4.248.23866.4.248.23966.4.248.24066.4.248.24166.4.248.24266.4.248.24366.4.248.24466.4.248.24566.4.248.24666.4.248.24766.4.248.24866.4.248.24966.4.248.25066.4.248.25166.4.248.25266.4.248.25366.4.248.25466.4.248.255