Serve one site for the specified IP addresses, serve a temporary page otherwise

Serve site based on IP Address conditional

# Show temporary page for everyone but certain IP addresses.

# My home IP:
RewriteCond %{REMOTE_HOST} !^12\.220\.82\.229

# My work IP:
RewriteCond %{REMOTE_HOST} !^12\.220\.82\.229

# Server IP (needed in some cases):
RewriteCond %{REMOTE_HOST} !^64\.207\.128\.246
RewriteCond %{REMOTE_HOST} !^64\.207\.128\.146
RewriteCond %{REMOTE_HOST} !^70\.32\.65\.137

# Don't redirect requests for files that are needed for the temporary page:
RewriteCond %{REQUEST_URI} !/images*$
RewriteCond %{REQUEST_URI} !/comingsoon/logo\.gif$
RewriteCond %{REQUEST_URI} !/comingsoon/favicon\.ico$

# Redirect all other requests to the temporary page:
RewriteRule .* /fifteenth-anniversary [R=302,L]