ip address to country mapping

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,

SummaryIn CDN system, IP address library plays an important role in traffic scheduling and network service quality monitoring, this paper mainly introduces the function and content of IP address library and the method of generating and evaluating IP

I. TCP/IP background and introductionIn the 70 's, with the development of computer technology, computers users realized that it was necessary to connect computers from all over the world to play a more important role in computer. But the simple

Because my website needs to query the source IP address to query its geographical location information. Therefore, I used some things to query geographical location information based on IP addresses, and now I have shared some accumulated things in

IP address to country Mapping This is a how-to on IP address to country mapping in Java. The first step The starting point in IP address to country mapping is to obtain some tables with the IPAddress to country mapping data in them. IP address to

This article is based on the initial phase of my blog, which I used to build a U.S. VPS last year, that is a lot of malicious access, I based on access log in the source IP to do a lot of statistics, and I also have the most visited the most

This article turns from: System network operation and maintenance blog, http://369369.blog.51cto.com/319630/812889Most of the network traffic is based on TCP/IP, and TCP/IP is based on the internet, so when the computer communicates on the network,

This article mainly refers to from: http://369369.blog.51cto.com/319630/812889 and made a small change What is DNS. Hosts on the internet, like humans, can be identified in a variety of ways. A host's identification method is to use its host name

Some time ago read the "deep understanding of the Linux kernel" to the memory management part of it spent a lot of time, but there are still a lot of questions that are not clear and have recently taken some time to review, documenting your own