An IP address is a unique network-level identifier assigned to a network-enabled device.

learn more… | top users | synonyms

34
votes
10answers
236k views

How can I make my IP address appear to be from another country?

How do I make it appear that my IP address is coming from one country while I'm located in another? I live in Germany and some websites (like Hulu or Youtube) don't work because my IP isn't in the US....
349
votes
4answers
44k views

Why does pinging 192.168.072 (only 2 dots) return a response from 192.168.0.58?

I mistakenly missed the dot off of an IP address and typed in 192.168.072. To my surprise I connected to a machine at 192.168.0.58 If I ping 192.168.072 I get responses from 192.168.0.58. Why is ...
48
votes
15answers
48k views

Fastest method to determine my PC's IP address (Windows)

This may seem trivial but I'm looking for the quickest method to determine my PC's IP address within my network. This changes regularly as I connect from one network to the next via DHCP The ...
9
votes
5answers
23k views

Is it possible to host a web server from behind a NAT

My PC is behind a NAT router that has a public IP address. If I want to host a website then I believe I need a domain name which I can purchase from some site which would pledge to resolve all DNS ...
4
votes
7answers
1k views

Getting my IP address?

My system has a dynamic shared IP provided to me by my ISP. I want to give my IP address to a friend so she can allow access to her server for requests coming from my IP. Can someone please tell me ...
28
votes
6answers
51k views

Why is there a difference between ping “localhost” and ping “local IP address”?

Using cmd and ping on Windows gave me the following results: Pinging "localhost": Pinging "192.168.0.10" (local IP address): Aren't both situations exactly the same? I mean, I'm pinging ...
4
votes
3answers
13k views

Find all past desktop IP addresses

Is there a way to find some type of log file that saves all IP address that were assigned to a desktop? I changed an static IP of a desktop (switched it to DHCP) of mine and i can not recall what the ...
23
votes
3answers
18k views

Can someone please explain ifconfig output in Mac OS X?

When I do ifconfig on my Mac, I get a list of the following interfaces: lo0 gif0 stf0 en0 fw0 en1 vmnet8 vmnet1 I wonder what each interface is. Also, which of these is the IP interface ? I don't ...
11
votes
1answer
65k views

Get IP Address from TeamViewer without connecting

Is it possible to know the (public) IP address of a computer where TeamViewer is ready for a remote control session - without connecting to the computer?
28
votes
9answers
188k views

How can I ping a range of IP addresses simultaneously [closed]

I have a bunch of machines on an IP address range which I want to ping simultaneously as a quick and dirty way of telling which ones are switched on. What (free) software can I use to do this? I'm ...
30
votes
3answers
88k views

Why is Windows' default IP address 169.xx.xx.xx?

My Windows system got an 169.xx.xx.xx IP address the other day, and I fixed the issue, but why did Microsoft chose this address as the default? Why not 1.xx.xx.xx or 255.xx.xx.xx? Did one guy at ...
11
votes
4answers
8k views

Is there a way to obtain the true IP address of someone masking their IP? [closed]

There is someone harassing me through emails and I need to know if there is a legal/legitimate way I can obtain their true IP address. They started masking their IP address after I used the email ...
8
votes
2answers
43k views

How to get the real IP address of someone using a proxy?

I was researching digital goods and security when I stumbled upon this company. One of the services they provide is "Real IP". They claim to be able to get the real IP address of users even when ...
6
votes
4answers
35k views

How To Find My Previous IP Addresses

Is it possible to find out what IP addresses a computer has been assigned by their ISP in, say - the last six months? I know the current IP address but would like to see the one before that, and ...
5
votes
4answers
993 views

Duplicate IP Adresses

My roommate and I are experiencing a problem in that our computers have the same IP address. I have a laptop and he's got a desktop, and only recently did this occur, in the past day or two. Is there ...
4
votes
3answers
6k views

I'm using Cisco Packet Tracer for Simulation and got error “ip address overlaps with..etc”

The 1st row is for my router and the 2nd row is for my LAN. What's wrong? Is my IP addressing and subnetting wrong? I already checked my configuration.
2
votes
2answers
3k views

Locally, External IP Resolves to Router Admin

I have a Belkin F5D7230-4 router, and I don't have many problems with it, however one thing which has always bugged me is that its admin page is accessible locally via two locations: 192.168.2.1 and ...
2
votes
2answers
9k views

Is 225.225.225.128 a valid subnet mask?

I have been told that we have two devices on a network: 10.40.225.142 and 10.40.225.144 These devices both have Gateway 10.40.225.129 Subnet mask 225.225.225.128 (note 225 is Not a typo) These ...
0
votes
3answers
7k views

How do I change my system's IP address?

I need to test my application when there is a change in the IP address. What should I do to change my machines IP address? Note: The IP address for my machine is obtained automatically. It's not a ...
107
votes
4answers
16k views

What's the difference between 127.0.0.1 and 0.0.0.0?

I understand that 127.0.0.1 points to localhost, and so does 0.0.0.0 (correct me if I'm wrong). So, what's the difference between 127.0.0.1 and 0.0.0.0?
79
votes
5answers
7k views

Why did the IETF specifically choose 192.168/16 to be a private IP address class?

Why did the Internet Engineering Task Force (IETF) choose 192.168/16 to be a private IP address classand not something else? Why specifically 192.168/16 and 10/8 and 172.16/12 and not 145.243/16 for ...
7
votes
6answers
37k views

Set up two (2) IP addresses on the same network card?

I think it is possible to set up 2 IP addresses and subnet masks on one NIC in Windows XP. How can this be done?
25
votes
14answers
18k views

IP Address vs MAC addresses

why do we need ip addresses if mac address is enough to identify the machine???
6
votes
1answer
18k views

Get Hostname from IP address/MAC address

I have a list of IP addresses and MAC addresses connected to my local network, but I need to get the hostnames of each device, is there a command line or terminal (mac) command for this?
5
votes
3answers
5k views

How does geolocation based on IP address work?

As all Internet users, I've visited web sites which appear to know in which country and city I'm located. I understand that these web sites typically look up my IP address in a database which maps IP ...
3
votes
2answers
26k views

Pinging own machine returns an IPv6 address instead of IPv4

When I ping my own machine I get an IPv6 address: Reply from fe80::1004:p8f0:9e40:a42c%10: time<1ms Reply from fe80::1004:p8f0:9e40:a42c%10: time<1ms I used to get the IPv4 address (eg. 192....
3
votes
3answers
1k views

How to troubleshoot DHCP problems?

This question was originally titled "How to gather information about suspicious wireless access point?" but then this topic has been moved to another question, leaving here discussion of connection ...
2
votes
2answers
20k views

How to find my VPN client IP in windows

When I run ipconfig and I get the following: C:\Documents and Settings\grmsrh14>ipconfig Windows IP Configuration Ethernet adapter Wireless Network Connection: Media State . . . . . . . ...
2
votes
3answers
14k views

How can I redirect “localhost” to another local IP?

This is my situation: Two computer under the same router, 192.168.1.101 and 192.168.1.102 This is what I like to do: On 192.168.1.101, while accessing port 22 with localhost, it directs the traffic ...
8
votes
2answers
7k views

Is there a way to disable the DHCP client in Raspbian Linux on a Rasperry Pi?

I have a Linux server (Rasperry Pi using Raspbian as OS) that should be using only static IP. However I noticed that it also has got IP from DHCP server (The IP given out by DHCP is 192.168.111.2). ...
5
votes
1answer
2k views

IP address spoofing using Source Routing

With IP options we can specify the route we want an IP packet to take while connecting to a server. If we know that a particular server provides some extra functionality based on the IP address can we ...
5
votes
3answers
897 views

What happens when all IP addresses run out?

I recently read an article in which they wrote that that there will be a time when there will be no more IP addresses available. Is that right? Do I need to register a website now just in case?
4
votes
1answer
8k views

Assign IP's to certian mac addresses in dd-wrt

I have a Linksys WRT54G/GL/GS that I am running DD-WRT v24-sp2 (10/10/09) vpn - build 13064 on it and for the life of me I can not find a way to assign ip's based on Mac address. Basically I have a ...
4
votes
1answer
8k views

How to set the same static IP address for LAN and wifi interfaces on a Win7 laptop?

When I'm at my desk at home, I connect to my network through my Ethernet LAN port. Sometimes however I have to get up and move my computer around (such as to connect it to a TV in another room), so I ...
4
votes
3answers
3k views

Given a PC's MAC address, can I find its IP?

Is there a way to get the IP address when all you have is the MAC of an item?
1
vote
2answers
2k views

How to install wireless access point EDUP EP-2906?

I 'm trying to install wireless access point device EP-2906, on my Desktop PC running Windows 7. Here is the installation guide. Page 7 says how I can set up it's IP address, but I can't find ...
1
vote
3answers
745 views

How To Reset My Ip Address Help? [duplicate]

Possible Duplicate: Cable Internet Connectivity Problem? I tried to reset my Ip address through command prompt but I keep getting The requested operation requiress elevation what does this ...
-1
votes
3answers
404 views

Will routers “short circuit” their own external ip address? [duplicate]

Possible Duplicate: Connecting to my own network via external IP If I can access my router home page (or ssh etc.) through LAN machines via 0.0.0.1 and from anywhere on the internet via 0.0.0....
25
votes
1answer
29k views

What is 127.0.0.2 IP address for?

I'm running the example in hiredis, which is using "127.0.0.2" as the redis server IP, and it is running properly. Actually, the redis server is running on the same machine. I know that "127.0.0.1" is ...
6
votes
6answers
8k views

How to know the IP address of a Mac when it is in network

My Mac Mini is connected in a network (LAN). As every one knows, each connected machine in a network has a unique IP address. My Mac mini's IP address is: 192.168.32.164 My Mac is connected to the ...
5
votes
7answers
12k views

Make dynamic IP address fixed?

I am using Time Warner cable internet service. My IP address changes every couple months. However, I need to access some access limited servers which has firewall rules on it. Is there any way to ...
3
votes
5answers
3k views

Local vs Internet IP addresses

So I have two IP addresses - one is on my network settings and is 192.168.0.X. Another one - I checked this address online - is 108.X.X.X. What's the difference between these two IP addresses? Does it ...
3
votes
3answers
13k views

Full URI to a file on another machine in our local network?

On our small-business Windows XP network, I have a file in f:\MyDir\SubDir\text.doc What would be the URI for that file while I'm on another machine.... if all I knew was that machine's IP address, ...
2
votes
3answers
7k views

Class D ip address

Is there mask for class D ip address? As it is for multicast, I am not sure about it. I read somewhere that D ip addressas are 32-bit network addresses and they dont have hostID, but in the following ...
2
votes
2answers
189 views

Static IP addr for just a particular access point in Vista

I want to give my brother-in-law's machine a static IP address when he connects to his wireless access point at home using Vista. When I do, though, it changes it universally, and it breaks him ...
1
vote
5answers
1k views

How do I get the IP Address of my router?

How can I find the address of my router in my network?
0
votes
2answers
2k views

Problem Accessing my public IP on my computer

Explanation : I'm using windows xp sp3 I've public IP (ex. 182.222.333.222) My ADSL-router IP : 192.168.1.1, and my static IP 192.168.1.5 I've enabled NAT setting through my ADSL modem I've ...