ip地址的位置 [英] Location from ip address

问题描述

您知道给定IP地址的任何服务会返回位置/国家/地区的服务吗? 我发现了一些可以添加到数据库中的列表，但是我需要经常更新吗?是否有任何规则(例如电话号码)知道原籍国?

Do you know of any service which given an ip address it returns a location/country? I found a few lists we can add to our database but do I need to update them often? Is there any rule (like telephone numbers) to know the country of origin?

对不起，我知道这听起来可能是一个愚蠢的问题，但对于我们正在做的事情，它不会失败.

Sorry, I know this might sound a stupid question but for what we're doing it can't fail.

我忘了提到它必须以编程方式(PHP)可访问

I forgot to mention this has to be accessible programmatically (PHP)

谢谢:) 迪奥戈

推荐答案

查看以下内容:假设问题IP地址是10.11.12.13，那么这里是一个示例:

Assume IP address of question is 10.11.12.13, then here is a sample:

<?php

$ip_address = gethostbyname('13.12.11.10.rbloc.dayanadns.com');
list($d1,$d2,$d3,$d4) = explode('.',$ip_address);
$country_code = chr($d3).chr($d4);

print "Result address: ".$ip_address."\n";
print "Country code: ".$country_code."\n";

?>

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