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

learn more… | top users | synonyms

10
votes
3answers
8k views

What is the maximum number of IPs that can be assigned to a given computer?

I really need to know this for a linux server, but since it also applies to client OSes, I figured the question should be posed here instead of server fault.
3
votes
3answers
3k 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 ...
2
votes
1answer
204 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 ...
1
vote
1answer
37 views

What does it mean if a public IP address looks like a private IP address?

For example, I go to http://whatismyipaddress.com/ and it tells me that my IP address is 192.X.Y.Z. What does this mean? Isn't that a private IP address? How can I find my real public IP address? ...
0
votes
1answer
41 views

Actual Public IP different from Public IP shown on ip lookup

When I test my connection on services such as whatsmyip.com, I get 112.134.xx.xx as my public address. When I check the ADSL connection status on my router, it shows a totally different IP address ...
0
votes
0answers
9 views

Can I have 2 gateways (or routers) on the same network, using on to connect to my VPN? [closed]

I am tring to configure my home network to have my AppleTV routed through a VPN. I have a Time capsule router, a MacMini Server, a couple of ipads, iPhones, and MacBooks on the same network. My DHCP ...
4
votes
10answers
27k views

Getting IP Address of Access Point

recently I turned my Router to a wireless access point for my home network. Unfortunately, I forgot to note down the AP's IP Address and Subnet. How do I reliably get the IP of my AP? Thank's in ...
4
votes
4answers
155 views

Comparing the first part of a string in Excel

I'm trying to create an automated function that will determine the class identification for IP addresses after you input it into Column A's input section by checking the first section of the address. ...
-1
votes
2answers
9k views

Resetting ip address gives “media disconnected” error message

I am using my windows 8 laptop and I am successfully connected to my router and can access my internet with no problem. I want to get a new ip address. I opened up the command prompt and then typed in ...
0
votes
0answers
43 views

Add second static IP under Ubuntu 14.04 Trusty

I am trying to add a second static IP-Adress to my Ubuntu 14.04 server installation. But so far I haven't had any luck with that. My first attempt was to add a virtual eth0 device to ...
0
votes
2answers
52 views

How do I find all known IPs for a given domain in Linux?

I am a developer on a project that uses amazon servers for testing. I am switching from using FoxyProxy to routing with iptables because it is more convenient. The trouble I ran into is that when ...
3
votes
6answers
10k views

How to find ip address of my Asus RT-AC86U in Access Point mode?

I'm using an Asus wireless router model RT-AC68U and can connect fine to the internet using it wirelessly. I configured the router to be an Access Point, but having done so, I can no longer locate ...
0
votes
0answers
20 views

Browse web via multiple ips without proxy

I'am running a windows VPS and have purchased several ips for it. How can I browse the web from the server via one of the ips apart from the one set as default by the hosting company's router but not ...
2
votes
3answers
11k 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 ...
0
votes
1answer
119 views

Web Server Public ip address to be seen on webpage

I have a Raspberry Pi behind NAT running Linux and hosting a web server. I access the web page from outside via Yaler utility as I have Dynamic public ip address. Is there a way to show my current ...
0
votes
1answer
37 views

How to find the ip-address of an RT-N66U accesspoint

I just setup an Asus RT-N66U wireless router with an IP address of 192.168.1.3. After I got it working, I connected it downstream from a TL-R600VPN router, disabled its DHCP and then changed it (Asus ...
2
votes
1answer
800 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 ...
2
votes
5answers
8k views

Can you have a class C IP address with a subnet mask of 255.255.0.0?

Can you have a class C IP address with a subnet mask of 255.255.0.0? What happens when you have a setting like this?
0
votes
1answer
402 views

Mask a class D IP address

Last time I asked about masking class D ip addresses. I found that we cannot mask class D IP addresses. But, now I have another question about masking D class IP addresses: If I want to recieve a ...
2
votes
3answers
4k 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 ...
0
votes
1answer
43 views

Internet access without NIC card?

If have a USB modem dongle for INTERNET connection. Can i access INTERNET from a brand new desktop/laptop without NIC card using this dongle? I feel that the dongle is just a modem ( with a DHCP ...
0
votes
1answer
105 views

Is there a free software defacto standard for ip address masking while using any application layer in TCP?

Whether I'm using FTP or HTTP or SSH, can you tell me if there is software that I can install that will mask my IP during data transmission? How would this work if my IP address is assigned from my ...
0
votes
2answers
36 views

Can a website tell what device you're using? [duplicate]

If I were to visit a website on different occasions and from different IP addresses but from the same device, could a website potentially tell? If so, would deleting cookies prevent this?
6
votes
6answers
6k 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 ...
6
votes
4answers
12k views

Getting the local IP address in Ubuntu 10.04 LTS

I am trying to get my locally assigned IP address from Ubuntu 10.04 LTS with ifconfig and what I'm getting is my external IP address (in other words, it's the same IP I see on whatismyip.com) When ...
0
votes
1answer
119 views

check if two IP addresses belong to the same router

I have several hosts from which I traceroute to the same destination. Is there a way to determine whether two IP addresses belong to different interfaces of the same router? Is it enough to check if ...
2
votes
2answers
303 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 ...
1
vote
0answers
53 views

Batch check if IP is within specific range

I'm trying to make a batch script to get local IP-address of active NIC (could be wireless or local). To get IP adress I have used following line: FOR /F "delims=[] tokens=2" %%a in ('ping -4 ...
1
vote
2answers
64 views

What must be done to guarantee continued IP address ownership? [duplicate]

There is a pretty high-level of guarantee that we can have continued possession of a chosen domain name as long as we renew it from our registrar (and provided that our registrar is not ...
6
votes
1answer
4k views

How many characters can an IP address be?

I have to create a field in a mysql table to store ip addresses. I need to know the maximum characters an ip address can possibly be. Whether ipv4, ipv6 or some other type that can render a valid ip ...
2
votes
1answer
47 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 ...
1
vote
2answers
475 views

Firewall in front of device with public IP address

Is it possible to have a firewall in front of a device with a public IP address without getting in the middle of NAT? I have a server that I need to put on the internet, but I want to put a firewall ...
13
votes
9answers
2k views

Why are Ethernet/MAC addresses needed?

I don't understand why Ethernet MAC addresses are needed. Can't all computers just be connected to the unified network and use IP addresses to communicate? For example, there is a following mechanism ...
0
votes
0answers
51 views

Find the remote VPN address of the network to which I am connected

I am getting Internet from a Huawei 3G data card in Windows 7. I just read about being anonymous on the Internet so thought I'd give it a try. I used PD Proxy for that, using a username and password, ...
0
votes
1answer
53 views

How can I tell if my ip address is static or not (Mac OS X)?

Well everything is in the title really... :-) I want to exclude my IP from my GA account but there is no point in doing that unless what I get from http://whatismyipaddress.com/ for example, is a ...
0
votes
1answer
163 views

DNS: Can a URL that looks like a subdirectory be mapped to a different IP address?

If my website blah.example.com has an IP address of X.X.X.X, then can I have a URL that appears to be a subdirectory, such as blah.example.com/fizz, be mapped to a totally different IP address (say, ...
-1
votes
1answer
57 views

Visiting website with different IP Address each time? [duplicate]

I want to visit a site repeatedly, with different IP address every time. I tried using Tor to accomplish this (Use New Identity); It worked but it's too slow. Is it possible to arbitrarily reassign ...
8
votes
2answers
26k 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 ...
4
votes
1answer
20k views

What is Windows command to convert machine name to ip address and vice versa?

I need to know the ip address of another machine in a lan network. What is the Windows command for getting ip address from machine name and vice versa?
0
votes
2answers
34 views

IP address pointing to the router instead of the domain

I set up a domain and I set the IP address to the IP of my server through whatismyipaddress.com. When I send a request to that domain, it connects me to the router instead of the computer. Does that ...
3
votes
2answers
2k views

How to configure to run two Browsers with different IP address?

I have two IP addresses assigned by my ISP, and I want to use both. I'd like to assign each one to a different browser. Is this possible? What do I need to do to achieve this? My OS is Windows ...
0
votes
2answers
1k views

How to filter out information in Wireshark

I am not interested in any information about network activity from any address that starts with 192.168. How can I make Wireshark hide those?
-3
votes
3answers
72 views

My IP Address is Wrong?

I have 2 computers, and I checked the IP address on each computer, by going to this site. On both computers, the IP address is the same?! Isn't each computer supposed to have a unique ip address? ...
2
votes
4answers
3k views

How to find out what computers are connected to an access point/router using Linux terminal?

I would like to determine what computers are currently connected to my access point/router via the command line in Linux. How can I do this?
0
votes
0answers
72 views

Arch Linux device with static IP address, new router not finding the device

I have a device running Arch Linux on my network (Raspberry Pi to be exact) and I do not have a cable for the display. I typically used it by ssh client and had it configured for a static IP address ...
1
vote
4answers
11k 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?
0
votes
3answers
117 views

Getting External IP via PowerShell

I would just like to Get External IP via Powershell Just IP address no header or anything. I try many things such as (Invoke-WebRequest ifconfig.me/ip).Content but it has this extra second line ...
3
votes
3answers
28k views

Configuring static IP address for using Remote Desktop Connection

I have a static IP address provided by my ISP. I have three machines at my home. I want to remotely access one of my machines (Windows Server 2003) using Remote Desktop Connection from any location. ...
0
votes
1answer
2k views

Changing IP Address of ZTE CDMA 1x USB modem

My Reliance Netconnect ZTE CDMA 1x USB modem has a static IP address. I want to change it, but through ipconfig it's not getting changed. How can I change it, then?
1
vote
2answers
66 views

Assigning same MAC Address to access points [closed]

I am working on a mobile application project which works on a local wireless network located on multiple different geographic locations(some supermarkets). In that for detection of that particular ...