IP Location with PHP

[smiling]

Hello,

First of all, thank you for the useful script and data.
I am new to php programming and need some advice.

I found difficulties trying to put this script into use. No matter what IP I passed to the check_country function, I always got 'united states' as the answer.

And then I tried to modify the database structure. I changed the 'from' field and 'to' field, from varchar to biginteger.
This seems to solve my problem. Different IPs yield different answer from the check_country function.

But I'm still uncertain whether or not the answer is the correct one because one of the IP I tried to pass to the function gives no result (no country). And yet I know for sure that the IP is a valid internet IP.

Please advise:
1. Why did I need to change the 'from' field and 'to' field to biginteger to make the script run correctly?
2. Why did I get no result for an IP that I know for sure is a valid one?

Thank you

[Roger]

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Thank you.