The Sophos website is expanding in order to provide a better
level of service to our growing number of users.
The following technical information is aimed at system
administrators to ensure that their company's users can still reach
the Sophos website.
If your company is using IP addresses (such as 220.127.116.11)
to reach the Sophos websites in scripts or configuration files then
you should switch to DNS names (such as "www.sophos.com") wherever
possible. This will ensure your company's users are using the
correct web servers at all times.
If you cannot use the DNS name, but do have to specify an IP
address (for instance, you may have to do this in your firewall
rules) then you should ensure the following address ranges are
18.104.22.168/25 (netmask 255.255.255.128)
22.214.171.124/27 (netmask 255.255.255.224)
Please bear in mind that Sophos may use other servers worldwide
to deliver our website, as and when we feel it will provide a
If you do not understand the significance of this information,
you should contact your IT department or whoever is responsible for
your connection to the internet.