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

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Difference between intranet IP Address and internet IP Address

My computer has 2 IP Addresses, one is 192.168.1.100 and the other is 78.x.x.x. If connecting to a socket, what IP address would a program outside of my network use, and how would it differentiate ...
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3answers
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Networking: Connecting Two Networks in Home (Floor # 1 & Floor 2)

I have a home networking question. I have two wireless routers having their own network. I want to connect these two networks so their clients can access each other. Following is the configuration. ...
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2answers
2k views

How to improve my router settings and stop these access attempts to my network

I have a network at home. ISP modem connects to my router which connects to my computers and laptops. When I look into my router logs I see a load of blocked access attempts. I was wondering if I can ...
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2answers
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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 ...
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4answers
15k views

How to find out ip address of router

How can I find out what IP my router on my local area network is using?
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3answers
14k views

How to remove .local dns suffix on Windows 7?

I am using a speaker share application called SpeakerShare. What it does is simply share a server's speaker. When I am trying to connect to a server from a client, the server returns ...
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7answers
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D-LINK DIR-615 router keeps giving my wireless devices bad ip addresses

I have a D-LINK DIR-615 router, and wired devices have no problem getting an IP, however; wireless devices end up with a 169.254.. address (subsequently, they cannot access the internet through the ...
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2answers
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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. ...
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4answers
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Do you get given your own IP address on dialup?

Do you get given your own IP address on dialup? I am trying to test remote connections from outside my LAN. Will I be given an IP address that I can use for remote desktop and assistance?
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1answer
556 views

NIC card using strange IP address

I'm using Windows Vista on a laptop, and while my wireless card works fine and takes the address the wireless router's DHCP server gives it, for some reason when I plug my (built-in) laptop NIC port ...
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2answers
540 views

How can I setup a router to assign IP addresses to all connections through a 24-port hub?

How can I do that? Also is there any router that is already ready to handle something like that? Is there any other recommended setup to solve this problem. This is a relatively low budget (probably ...
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2answers
164 views

What is ip address 0.0.0.0

I've been looking at the socket information in proc/net/tcp and I see a lot of the home connections (127.0.0.1) with a remote address of 0.0.0.0. I was just wondering if a blank address like that had ...
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2answers
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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 ...
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2answers
2k 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 ...
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2answers
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Can't get IPv6 address using radvd on wireless interface on windows, wired works fine

I set up my router to use OpenWRT and set it up to use IPv6 using a tunnel form SixXs. I'm having problems with stateless autoconfiguration using radvd. On my computer, wired connection can get its ...
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2answers
2k views

Display tracert on Google or Bing Maps

Is there a program of perhaps website that can display a list of ip-adresses on Google or Bing maps? For instance, if I do tracert -d www.youtube.com, I'll get a bunch of IP-addresses, displaying the ...
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1answer
39 views

Get IP address from one-to-one connection?

I have PC box with installed Windows Embedded which runs specific software and have no display and I can't connect one. It has stable ip address which was set years ago, but somehow it was lost by ...
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2answers
522 views

Can a 192.168.50.0/24 network talk to a 192.168.50.0/23 network?

I currently have a local network running on the range 192.168.50.0/24, but I am running out of IP addresses to use. The plan is to change the network to 192.168.50.0/23 network, which will ...
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2answers
3k views

How to get both IPv4 and IPv6 dynamic address

Running dhclient gets me an IPv4 address. Running dhclient -6 gets me an IPv6 address. And the man page says you can't combine v4 and v6. So how to get both v4 and v6 addresses at the same time?
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2answers
697 views

What is the best way to get the external internet gateway IP reported periodically?

I have a OS X Server behind an airport extreme, serving services via opened ports on the airport. The server has a 10.0.x.x local address, always the same one. The airport extreme gets it's external ...
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2answers
117 views

Reserve DHCP slots for certian users?

My company has alot of outside suppliers and contractors who need access to our wifi network. Currently, we only allow DHCP to hand out 20 addresses for our quest Wifi network. This typically fill up ...
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1answer
234 views

Find if IP Address is in use

I'm trying to find if an IP address is in use. I don't want to rely on ping, as most of our hosts have ICMP echo and reply turned off. I'm looking for something that mimics window's "IP Address ...
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2answers
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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 . . . . . . . ...
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3answers
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Can't connect Printer (MP980) wirelessly(or with ethernet) to computers

I have an N1 Vision, it gives devices an IP in the 192.168.2.x range and I've just connected my printer to the network using ethernet and on the printer's screen (the printer is canon MP980) it says ...
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2answers
104 views

Does OS X log my IP address?

I need to know which IP address I was using two days ago. Is there any log file in OS X that contains this information? Update: And Chrome for Mac could store this information somewhere?
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2answers
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Connecting to ethernet device with fixed IP via Linksys router

I have this board with IP address 192.168.5.124 (can't be changed). I must connect to it via an ethernet cable and then use Modbus for communication. I am currently having problems seeing this device ...
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1answer
8k views

How can I allow a Limited User to change TCP/IP settings, while strictly maintaining the principle of least privilege?

In Windows XP or Windows Server 2003: I have a laptop configured with software for network-based vulnerability scanning of systems. The reason this is put on a laptop instead of a desktop or server, ...
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1answer
943 views

What is the purpose of the network id?

I know that for addresses like e.g. 192.168.17.5 with 255.255.255.0 subnet mask, address 192.168.17.0 is the network id and 192.168.17.255 is the broadcast address and that valid hosts are from ...
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4answers
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How to find out an unknown PC Server's IP without Monitor

I have a PC Server running but without a monitor. The OS is Windows Server 2003. I can connect my laptop to its network interface. How can I find out its IP?
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1answer
211 views

Selecting which IP address to use for outgoing requests from behind a NAT

Our organization has several external IP addresses. I am behind 2 layers of NAT and the servers choose which IP address to route my traffic to. Can I specify which IP address to use when finally ...
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2answers
176 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 ...
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1answer
111 views

Alternative to 127.0.0.1 in hosts file

I have a bunch of websites blocked at the system level in my Windows 7 by using the etc/hosts file. So far, I've done it the usual way, by giving 127.0.0.1 as the website's IP address. However, I'd ...
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1answer
117 views

windows 7: assign static IP address [duplicate]

I want to connect two laptops with a crossover Ethernet cable, in order to synchronize them with ntp. One laptop runs Windows 7, the other one Ubuntu. On Ubuntu, in order to assign a static IP ...
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1answer
3k views

How to force client static leases (IP addresses) to update/change immediately?

My router runs dd-wrt and it assigns static leases to DHCP clients. The clients all use DHCP. I recently changed the IP addresses I want assigned to clients. But the clients are not updating ...
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Why does my cable modem have two IP addresses?

The internet setup at my home is as follows: I have a cable modem (192.168.100.1) connected with a coaxial cable. The cable modem is connected to a wireless router (192.168.1.1) via an ethernet ...
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1answer
506 views

Will Windows renew IP address sometime after “ipconfig /release”?

On a Windows 2000 PC, I did a "ipconfig /release" to disconnect it from the network. After about 6 hours, I checked it again and it was still disconnected. But then about 17 hours after that, I ...
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181 views

Sharing static IP address

I want to share the one static IP address my office has (small office). My boss has the DSL coming into an IP telephony box/router, with one Ethernet port coming out. ipconfig shows the gateway to be ...
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1answer
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Static IP clears itself Windows 7

I have to set a static IP to access the internet while I am at my work office. I usually go through the more visual of the two ways listed as answers here. Though that could change now that I know ...
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3answers
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How is it possible to detect whether or not a device is “routing”?

The building I'm in provides ethernet ports through the walls in each room, but it is stated in their policy that they "do not allow wireless routers." They have been known to deactivate certain ...
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3answers
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How to bind IP address to MAC address in Windows XP?

I want to bind IP address to MAC address on my computer, how to do it?
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3answers
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Connect to {MACHINENAME} from iPad

I have a website in development running under IIS 7.5 on a Windows 7 machine. From my PC, I can browse to the site via: http://localhost/mysite http://mymachinename/mysite ...
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3answers
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How do I set my IP address in Vista?

I need to change my IP address in Windows Vista. How do I do this?
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1answer
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Lock my current IP address

How can i lock my current IP address? the LAN IP address is the 192.**. I know that, but i want to lock up my IP address which i found on the http://whatismyipaddress.com/, which is something like ...
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5answers
851 views

How do I get the IP Address of my router?

How can I find the address of my router in my network?
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4answers
2k views

How do I discover my public IP Address? [duplicate]

Possible Duplicate: Getting my IP address? The connection provided to me by my ISP works on DHCP and it assigns a Class C (LAN) IP address to my Network adapter automatically. for example : ...
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2answers
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Mac change ip address from terminal

I want to change my ip address from terminal in mac. So i used the following commands. ifconfig en1 192.168.110.1/16 route add default 192.168.110.1 if i change the ip here. It is getting reflected ...
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Should I use VPN to Remote Desktop from outside my home?

I want to access my home computer from my work. Should I use a VPN network setup and make a RDP connection then? Or is it possible to use RDP by typing in my ip-address without VPN?
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3answers
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Why my ISP can't change my IP address? [closed]

My ISP is using dynamic IP addresses, now I have problems with my IP (it seems to be blocked somewhere) and want it to be changed. My ISP says to me that they can't assign a new IP for me, can that be ...
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4answers
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What do the different parts of an ip address mean? [closed]

I was looking at an IP address and I was wondering if they can be read like phone numbers? I.e. does each of the four parts have a meaning: country code, area code, etc.? For an example: IP of ...
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How quickly to find the first IP available in a LAN?

Suppose that I am in a LAN with the following parameters: IP: 172.16.20.X NETMASK: 255.255.252.0 GATEWAY: 172.16.20.1 DNS: 172.16.20.1 In order to connect to my LAN, I have to find, ...