convert ip to long

[Translation] IP subnet division Original article title: IP subnetting made easy Address: http://articles.techrepublic.com.com/5100-10878_11-6089187.html   IP network engineers need to have a solid understanding of how IP subnet division works.

Want to convert IPV4 address to real address, must refer to IP database, commercial IP database stored in relational database, query and use is very convenient, but the cost is not individual and small companies willing to bear, So the idea of

The two statements we see in the voting filter: String ip = request. getRemoteAddr (); and long ipnum = StringHandler. getIpNum (ip); the first one is to obtain the ip address of the client, and the second statement is to convert the obtained ip

IP Address | Convert IP address to Long integer converts a string IP address ("192.168.0.1") to a Long number (3232235521). One of the reasons to does this would is to store IP addresses in databases. Numbers greatly reduce the size required to

How to convert a JAVA long integer to an IP address How to convert a JAVA long integer to an IP address The Code is as follows: /*** Resolve an integer to an IP address * @ param num * @ return */public static String int2iP (Long num) {String

TCP/IP protocol stack This section briefly introduces the internal structure of TCP/IP and lays the foundation for discussing Internet-related security issues. TCP/IP protocol groups are popular in part because they can be used on a variety of

Introduction: This article as a theoretical basis, will tell us the basic principles of TCP/IP and important protocol details, and on this basis, introduced the implementation of TCP/IP on Linux.OSI Reference Model and TCP/IP Reference ModelThe OSI

First look at the instance The Code is as follows: Copy codeThe Code is as follows: classip { Privatestaticlongiptolong (stringstrip) // Convert an IP address in the format of 127.0.0.1 to a 10-digit integer. No error processing is performed here. {

Reprinted: "http://stephen830.javaeye.com/blog/254742"When analyzing the customer source of the website, it is often required to determine the country or city location of the customer based on the customer's IP address. Of course, to do this, you

Linux ip command example IP 1. RoleIP is a powerful network configuration tool in the iproute2 software package. It can replace some traditional network management tools, such as ifconfig and route, and use permissions as superusers. Almost all