find country by ip address

Today, I have nothing to do at home. I went online and read an article about finding a country based on the IP address. In fact, I used one for my work, but I don't know how to do it. Next, I will share the translation

PS: found a good article on the Internet, carried over, in case you can't find it later. At the same time the individual made a simple change. IP address, subnet mask, default gateway, what does DNS server mean?(a) Problem analysis001. Q: IP address,

Transferred from: http://www.cnblogs.com/JuneWang/p/3917697.htmlIn order to learn more about the TCP/IP protocol, recently read a lot of relevant information, collected and recorded as follows, for later use and convenient for you to learn:IP

In order to learn more about the TCP/IP protocol, I have read a lot of relevant information recently and collected the following records for later use and convenience:   What does IP address, subnet mask, default gateway, and DNS server mean? (1)

Ip address, subnet mask, and address classification, ip subnet mask Http://blog.csdn.net/bluishglc/article/details/47909593? Utm_source = tuicool & utm_medium = referral   There are not many opportunities to use network knowledge in actual work.

The article first introduces the structure of the file content of Qqwry.dat and then according to its characteristics we can write read the contents of the Qqwry.dat IP library to find what we want. First look at the content structure of the

First look at the content structure of the Qqwry.data file and how it is interpreted. I. Structure of documentsThe document is divided into three main structures1, file header, 8 bytes;2, the data record area, indefinite length;3, the index area,

Analysis of TCP/IP packet based on JPCAPOriginal: Zhao HuiDirectoryChapter One structure of Ethernet and TCP/IP1.1 Structure of the Ethernet1.1.1 Ethernet based on network architectureData exchange of 1.1.2 Ethernet1.1.3 Structure of Ethernet frames1

1. For rails, the mainstream method should be to use the Google library plug-in geoip GitHub address: https://github.com/simplificator/geoip   Require 'geoip' geoip. new ('geolitecity. dat '). country ('www. atlanta. SK ') => ["www. atlanta. SK

Analysis on the IP address library of Cortana. This is not a new thing. someone has done it a long time ago. It is to use PHP to operate the pure IP Address Library or Cortana IP Address Library, and obtain the physical location based on the visitor'