accurate ip address lookup

//Get IP addressfunction GetIP () {if(getenv(' Http_client_ip ') strcasecmp (getenv(' Http_client_ip '),' Unknown ')) {$thisip=getenv(' Http_client_ip '); } elseif (getenv(' Http_x_forwarded_for ') strcasecmp (getenv(' Http_x_forwarded_for '),' Unknown ')) {$thisip=getenv(' Http_x_forwarded_for '); } elseif (getenv(' REMOTE_ADDR ') strcasecmp (getenv(' REMOTE_ADDR '),' Unknown ')) {$thisip=getenv(' REMOTE_ADDR '); } ElseIf (Isset ($_server[' REMOTE

PHP accurate method of obtaining the server IP address, PHP to obtain the server IP In this paper, we describe the exact method of obtaining the server IP address by PHP. Share to everyone for your reference. The specific analysi

operator in the real Internet. In addition here to tell everyone a very simple way to quickly know their own computer IP address, as long as in Baidu search "IP address query" can see their own computer IP address. The following

next hop, and in fact, there is no complete route entry, the route item has long been incarnated for an interval and a next hop.In any case, fuzziness is sure to exist, because you cannot save a complete IP address tree, so you need to sacrifice its accuracy, bring a bit of ambiguity, where this ambiguity exists, bringing the essence of the algorithm is different.For the bottom-up

PHP Solution for obtaining the real IP address of the user client, and php Solution for obtaining the ip address Obtaining the Client ip address is not a simple task. Because of Ip Spoo

Looked for some methods, initially thought to get the phone is the public network address, in fact, only the local IP address. The following method to obtain the IP address of the mobile phone inside and outside the network summary: First, obtain the mobile phone local stati

the algorithm, also thought that the dichotomy method is difficult, so there is no attempt to use, until finally there is no way to finally achieve the two-point IP address retrieval. From the table above you can see that the IP library is a continuous number from 0 to 4294967295, if the value is opened to store, there will be hundreds of g of data, so there is

To achieve "record the User Logon Time and exit time, record the user IP address, and record the province and city addresses corresponding to the user IP Address" Using Session_Start and Session_End is the initial idea and the results are not satisfactory. It is mainly because the time is not

This topic is a bit large, and I have to strictly control the number of words, not like the "Proposition composition: in a IPv4 address tree to thoroughly understand the IP routing table of the various search process" so open. In fact, this composition is an extension of the interval finding section in the previous essay.The 1.IP packet classification is the core

IP lookup domain name PHP source code. IP lookup domain names, usually bing's IP query function is used now, that is, IP: 222.222.222.222 is written as php code? Php call method $ resultgetResult (124.205.228.114); print _

Domain Name Lookup by IP address, which is usually an IP address query function of bing, that is, IP Address: 222.222.222.222Writing php code becomes// Call Method$ Result = getResult (

Original: https://redislabs.com/ebook/redis-in-action/part-2-core-concepts-2/ Chapter-5-using-redis-for-application-support/5-3-ip-to-city-and-country-lookupWhen we have collected statistical information and logs to Redis, we have collected information about the behavior of our system visitors. But we overlook an important part of visitor behavior-where do visitors come from? In this section we will build a set of functions to parse

View the error prompt in the system log as 2014/09/19 18:06:55 [4696] name lookup failed for 212.173.9.32:no address associated with hostname The solution is because the main rsync configuration file does not have access to IP settings so access is denied. Find the rsyncd.conf file in your installation directory Hosts allow = Your

Jsp+jquery+google map shows the final resultsIn this article, readers will learn how to use the Spring MVC Framework and jquery and Google Maps to create a simple search application based on an IP location. The user can enter an IP address in the page and then show the approximate geographic location of the IP via Goog

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 simple application is to use some free

In the past, ip38.com was often used to query the geographic location of IP addresses. The service is simple but practical, but it is difficult to Query IP addresses outside China. WhileIP- D Dress.comYou can query Global IP addresses and locate the IP address

Aggregation, which is closely related to route aggregation. Here is a brief description of Route summary and supernetwork computing methods. For example, the route table of a vro has the following entries: Destination IP Address Mask next hop (or gateway) 192.168.0.0 255.255.255.0 10.1.1.2 192.168.1.0 255.255.255.0 10.1.1.2 192.168.2.0 255.255.255.0 10.1.1.4 where the first two next hop addresses are the s

1. Get the local IP (possibly intranet ip,192.168.xxx.xxx) /*** Get Local IP * *@return */ Public StaticString getlocalipaddress () {Try{Enumerationnetworkinterface. getnetworkinterfaces (); while(En.hasmoreelements ()) {NetworkInterface ni=en.nextelement (); Enumerationni.getinetaddresses (); while(Enip.hasmoreelements ()) {inetaddress inet=enip.nextel

the route through the destination address of the data packet, but also need to use other domains: the source address, IP protocol, transport layer port, and even the load of the data packet.This is called policy routing ).8.5. IP rule add -- Insert a new ruleIP rule Delete -- delete a ruleAbbreviation: add, A; delete,

1. query the IP address of the domain name. Query by using network tools such as ping or ip138.com on the local machine.2. Use the IP address direction query tool to obtain the list of domain names bound to this IP address.Chinese keywords:Domain name Direction QueryOrIP rev