AS3999 66.71.121.0/24 CIDR and IP Range Summary.ASN: 3999 - The Pennsylvania State UniversityHost Count: 254Addressable IPs: 256 66.71.121.066.71.121.166.71.121.266.71.121.366.71.121.466.71.121.566.71.121.666.71.121.766.71.121.866.71.121.966.71.121.1066.71.121.1166.71.121.1266.71.121.1366.71.121.1466.71.121.1566.71.121.1666.71.121.1766.71.121.1866.71.121.1966.71.121.2066.71.121.2166.71.121.2266.71.121.2366.71.121.2466.71.121.2566.71.121.2666.71.121.2766.71.121.2866.71.121.2966.71.121.3066.71.121.3166.71.121.3266.71.121.3366.71.121.3466.71.121.3566.71.121.3666.71.121.3766.71.121.3866.71.121.3966.71.121.4066.71.121.4166.71.121.4266.71.121.4366.71.121.4466.71.121.4566.71.121.4666.71.121.4766.71.121.4866.71.121.4966.71.121.5066.71.121.5166.71.121.5266.71.121.5366.71.121.5466.71.121.5566.71.121.5666.71.121.5766.71.121.5866.71.121.5966.71.121.6066.71.121.6166.71.121.6266.71.121.6366.71.121.6466.71.121.6566.71.121.6666.71.121.6766.71.121.6866.71.121.6966.71.121.7066.71.121.7166.71.121.7266.71.121.7366.71.121.7466.71.121.7566.71.121.7666.71.121.7766.71.121.7866.71.121.7966.71.121.8066.71.121.8166.71.121.8266.71.121.8366.71.121.8466.71.121.8566.71.121.8666.71.121.8766.71.121.8866.71.121.8966.71.121.9066.71.121.9166.71.121.9266.71.121.9366.71.121.9466.71.121.9566.71.121.9666.71.121.9766.71.121.9866.71.121.9966.71.121.10066.71.121.10166.71.121.10266.71.121.10366.71.121.10466.71.121.10566.71.121.10666.71.121.10766.71.121.10866.71.121.10966.71.121.11066.71.121.11166.71.121.11266.71.121.11366.71.121.11466.71.121.11566.71.121.11666.71.121.11766.71.121.11866.71.121.11966.71.121.12066.71.121.12166.71.121.12266.71.121.12366.71.121.12466.71.121.12566.71.121.12666.71.121.12766.71.121.12866.71.121.12966.71.121.13066.71.121.13166.71.121.13266.71.121.13366.71.121.13466.71.121.13566.71.121.13666.71.121.13766.71.121.13866.71.121.13966.71.121.14066.71.121.14166.71.121.14266.71.121.14366.71.121.14466.71.121.14566.71.121.14666.71.121.14766.71.121.14866.71.121.14966.71.121.15066.71.121.15166.71.121.15266.71.121.15366.71.121.15466.71.121.15566.71.121.15666.71.121.15766.71.121.15866.71.121.15966.71.121.16066.71.121.16166.71.121.16266.71.121.16366.71.121.16466.71.121.16566.71.121.16666.71.121.16766.71.121.16866.71.121.16966.71.121.17066.71.121.17166.71.121.17266.71.121.17366.71.121.17466.71.121.17566.71.121.17666.71.121.17766.71.121.17866.71.121.17966.71.121.18066.71.121.18166.71.121.18266.71.121.18366.71.121.18466.71.121.18566.71.121.18666.71.121.18766.71.121.18866.71.121.18966.71.121.19066.71.121.19166.71.121.19266.71.121.19366.71.121.19466.71.121.19566.71.121.19666.71.121.19766.71.121.19866.71.121.19966.71.121.20066.71.121.20166.71.121.20266.71.121.20366.71.121.20466.71.121.20566.71.121.20666.71.121.20766.71.121.20866.71.121.20966.71.121.21066.71.121.21166.71.121.21266.71.121.21366.71.121.21466.71.121.21566.71.121.21666.71.121.21766.71.121.21866.71.121.21966.71.121.22066.71.121.22166.71.121.22266.71.121.22366.71.121.22466.71.121.22566.71.121.22666.71.121.22766.71.121.22866.71.121.22966.71.121.23066.71.121.23166.71.121.23266.71.121.23366.71.121.23466.71.121.23566.71.121.23666.71.121.23766.71.121.23866.71.121.23966.71.121.24066.71.121.24166.71.121.24266.71.121.24366.71.121.24466.71.121.24566.71.121.24666.71.121.24766.71.121.24866.71.121.24966.71.121.25066.71.121.25166.71.121.25266.71.121.25366.71.121.25466.71.121.255