66.200.48.0/20 covers 66.200.48.0 to 66.200.63.255, 4,096 IPv4 addresses. It is announced by AS6079 (RCN Telecom Services, LLC). Every sampled address geolocates to United States, with 63% in McLean. It is registered to an internet service provider. 6% of sampled addresses are flagged as VPN.