Apache 2.4: IP Whitelisting

 1...
 2...
 3           AuthType Basic
 4           AuthName "Development Area"
 5           AuthUserFile /var/www/sites/.htpasswd
 6           <RequireAny>
 7              Require ip 19.233.95.152
 8              Require ip 31.169.217.174
 9              Require ip 33.202.255.41
10              Require ip 31.175.111.184
11              Require ip 51.209.11.159
12              Require ip 129.162.144.55
13              Require valid-user
14           </RequireAny>
15...
16...
...

See https://stackoverflow.com/questions/10419592/htaccess-htpasswd-bypass-if-at-a-certain-ip-address