How do I block certain networks

Getting a lot of spam traffic from one internet network. How can I block this network from the site?

These should be good starting points for you:
http://www.javascriptkit.com/howto/htaccess5.shtml
http://incredibill.me/htaccess-block-country-ips
http://www.webmasterworld.com/forum92/6459.htm

Just deny access to the IP block of the network in the root .htaccess file.

BodyAthletics said:

Getting a lot of spam traffic from one internet network. How can I block this network from the site?

Click to expand...

You can block them using .htdeny or iptables from Ip2location's country blocker. See Ip2location free firewall list for generating the IP list.