How to determine if incoming IP address is from a mobile carrier? [closed]

Answer 1

If this is for a web site, you could examine the HTTP_USER_AGENT. Of course this can be faked.

If this is indeed for a website, please give your users the option to look at the none mobile-optimised version!

Answer 2

You could use hostip. They have a constantly evolving list of IPs and where they are located.

You can get information such as physical location, country and the host name for that IP.

You could poll for data and check the host name against a list of pre defined carriers with a regular expression or something.

More info here: http://www.hostip.info/

Answer 3

NetAcuity aka Digital Envoy has Carrier Targeting (feature 24) which is normally pay $ license, but I believe they have a 30-day trial program.

Answer 4

This is what i use:

if (preg_match("@(android|iphone|opera mini|blackberry)@is",$_SERVER['HTTP_USER_AGENT'])) {
    $mobile = true;
} else {
    $mobile = false;
}

Answer 5

I have a mobile web site and I needed to do IP geo-location. I had a look at several IP->Location databases. One of which was MaxMind. They have a free database which provides city level accuracy, but they also have a paid for database (for a pretty reasonable fee) that gives you more detail, including what mobile carrier a mobile user is coming in on.

Go to http://www.maxmind.com and put your IP into the demo entry box (its on front page), and you'll see the detail you can get. This is the API you would need from them: http://www.maxmind.com/app/isp

Like I say, I only use the city level detail database so can't vouch for the coverage of the mobile carriers. But during my initial tests, it did always seem to return good values for the UK, Ireland, and Asian mobiles I tested.

Rgds, Kevin.