66.225.192.0/18 covers 66.225.192.0 to 66.225.255.255, 16,384 IPv4 addresses. It is announced by AS23352 (Summit) and 5 other networks. 78% of sampled addresses geolocate to United States, the rest to 5 other countries, with 22% in Elk Grove Village. 63% of it is registered to a hosting or cloud provider. 9% of sampled addresses are flagged as VPN.