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echo file_get_contents('http://121.12.175.19');
<!doctype html>
<html class="0663ec-pc w1200">
<head>
<title> 左航网</title>
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="generator" content="0663ec" />
<meta name="renderer" content="webkit">
<meta name="version" content="2015-1-1 0663.ec">
<meta name="MSSmartTagsPreventParsing" content="True" />
<meta http-equiv="MSThemeCompatible" content="Yes" />
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7">
........
是你的吗?print_r(get_headers('http://121.12.175.19'));
Array
(
[0] => HTTP/1.1 200 OK
[1] => Date: Thu, 02 Apr 2015 02:53:44 GMT
[2] => Server: Apache/2.2.21 (Win32) PHP/5.3.10
[3] => X-Powered-By: Ftxia 6.0
[4] => Set-Cookie: PHPSESSID=q90d1eae6c799rc3srg02c0da0; path=/
[5] => Expires: Thu, 19 Nov 1981 08:52:00 GMT
[6] => Cache-Control: private
[7] => Pragma: no-cache
[8] => Connection: close
[9] => Content-Type: text/html; charset=utf-8
)
应该没有问题的
是否你指定了来源?
traceroute to 121.12.175.19 (121.12.175.19), 64 hops max, 52 byte packets
1 bogon (192.168.102.1) 1.928 ms 1.064 ms 1.557 ms
2 bogon (192.168.3.251) 0.893 ms 1.096 ms 1.290 ms
3 221.4.48.98 (221.3.48.98) 3.593 ms 8.879 ms 3.404 ms
4 120.80.173.73 (120.81.173.73) 8.358 ms 6.049 ms
120.80.173.69 (120.81.173.69) 3.562 ms
5 120.84.0.49 (120.84.0.49) 3.238 ms 3.240 ms
120.83.0.89 (120.83.0.89) 7.432 ms
6 219.158.14.241 (219.158.14.241) 4.793 ms 5.700 ms
219.158.19.9 (219.158.19.9) 3.718 ms
7 219.158.15.230 (219.158.15.230) 4.028 ms 4.554 ms
219.158.22.138 (219.158.22.138) 4.507 ms
8 202.97.15.169 (202.97.15.169) 7.733 ms 5.502 ms 7.867 ms
9 202.97.63.85 (202.97.63.85) 6.789 ms 5.671 ms 8.205 ms
10 183.61.221.105 (183.61.221.105) 4.051 ms 4.543 ms 4.620 ms
11 183.59.13.222 (183.59.13.222) 12.053 ms 10.832 ms 9.027 ms
12 183.60.128.178 (183.60.128.178) 7.896 ms 12.108 ms 7.790 ms
13 113.105.160.174 (113.105.160.174) 9.567 ms 11.880 ms 11.964 ms
14 * * *
15 121.12.175.19 (121.12.175.19) 8.581 ms 41.236 ms 47.295 ms