In this tutorial, we show you how to convert an IP address to its decimal equivalent in Java, and vice versa. For examples : Bash 255.255.255.255 <-> 4294967295 192.168.1.2 <-> 3232235778 1. IP Address to Decimal We show you two ways to conver…

本文转自:http://www.codeproject.com/Articles/28363/How-to-convert-IP-address-to-country-name   Download source code - 1.11 MB How to retrieve a visitor's IP address Every visitor to your site or web application has an IP address. It is quite handy to be…

lwip 2.0.3  IP address handling /** * @file * IP address API (common IPv4 and IPv6) */ 1.u32_t ipaddr_addr(const char *cp); 把一个 字符串的 IP 地址转换成  ip4_addr_t 类型的IP. /** * Ascii internet address interpretation routine. * The value returned is in network o…

URL: http://lite.ip2location.com/ Use the code below to convert the IP address of your web visitors and lookup for their geographical location, e.g. country, state, city, latitude/longitude, ZIPs, timezone and so on. Free database can be downloaded a…

Reference: [1] https://www.mkyong.com/regular-expressions/how-to-validate-ip-address-with-regular-expression/ import java.util.regex.Matcher; import java.util.regex.Pattern; public class IPAddressValidator{ private Pattern pattern; private Matcher ma…

一.Description Suppose you are reading byte streams from any device, representing IP addresses. Your task is to convert a 32 characters long sequence of '1s' and '0s' (bits) to a dotted decimal format. A dotted decimal format for an IP address is form…

IP Address Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 19125   Accepted: 11053 Description Suppose you are reading byte streams from any device, representing IP addresses. Your task is to convert a 32 characters long sequence of '1s'…

/*===================================== IP Address Time Limit:1000MS Memory Limit:30000KB Total Submit:3394 Accepted:1530 Special Judge Description Suppose you are reading byte streams from any device, representing IP addresses. Your task is to conve…

题目链接:id=2105">http://poj.org/problem?id=2105 ---------------------------------------------------------------------------------------------------------------------------------------------------------- 欢迎光临天资小屋:http://user.qzone.qq.com/593830943/mai…

1.Determine if a string is a valid IP address in C Beej's Guide to Network Programming 2.9.14. inet_ntop(), inet_pton() 3.Program to validate an IP address step 1) Parse string with "." as delimiter using "strtok()" function. e.g. ptr…