Apache version 2.4.*
http://httpd.apache.org/docs/2.4
Web Servers
Get access to data on 24,622,717 websites that are Apache 2.4 Customers. We know of 2,000,001 live websites using Apache 2.4 and an additional 22,622,716 sites that used Apache 2.4 historically and 759,950 websites in the United States.
Get a list of 24,622,717 websites using Apache 2.4 which includes location information, hosting data, contact details, 2,000,001 currently live websites and an additional 1,250,146 domains that redirect to sites in this list. 22,622,716 sites that used this technology previously and 759,950 websites in the United States currently using Apache 2.4.