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

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1answer
14 views

Finding the IP Address of a Router in a Daisy Chain

I'm trying to forward a port to my home computer so I can SSH to it when I'm away from home. Because I cannot get a good connection to my modem/router, I have to connect a second router to it. My home ...
22
votes
9answers
110k views

How can I ping a range of IP addresses simultaneously

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 ...
0
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0answers
5 views

Inter host name resolving

I am trying to setup a lily cluster where in it talks about Network Configuration which I am unable to understand.Kindly explain me the network configuration and how am I supposed to do this ? ...
0
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0answers
18 views

Bad assignment of IPs with custom bridge in Docker 1.6

I’m using Ubuntu 14.04 with custom bridge for docker. In Docker 1.5 assignment of IP addresses work correctly. This means gateway has IP 192.168.100.1, docker bridge has IP 192.168.100.2. When I ...
0
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2answers
2k views

is it possible to get IP address of a wifi that you are not connected to

Just like the question states. Is it somehow possible to get the IP address of a network that you don't have access to? For example, if you click the little wifi button on your task bar, and ...
7
votes
2answers
1k views

Writing a service to find the public IP address of a computer, from scratch [closed]

I am aware of services like http://whatismyipaddress.com/ that allow a user to find his public IP address. What I'd like to know is, HOW such a service gets written from scratch? I don't need the ...
15
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1answer
33k 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?
14
votes
8answers
42k views

What regular expression can I use to match an IP address?

With the following grep syntax I want to match all IP address in a file (from a ksh script) grep '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' file The problem: It also matches words ...
0
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2answers
3k views

Detect an IP address of a Wireless Access Point device

I have a Wireless Access Point device (http://www.szedup.com/show.aspx?id=1706), which I am planning to put into BeagleBoard-xM, in order to achieve wireless communication (LAN). However, I can't find ...
1
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2answers
24k views

How do I spoof the IP that my computer sends a server without using something like a VPN or proxy?

I want to spoof (not actually change) the public IP that my computer sends to servers. I don't care what it gets changed to as long as it changes, even by one digit. I don't want to have to use a VPN ...
0
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1answer
4k views

Does PirateBrowser hide my IP address?

Does PirateBrowser hide my IP address? It uses Tor so the IP should be changed, but when I looked on What is my IP, I saw the same address as before. Is there anybody who can explain it to me?
1
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2answers
43 views

Is my network traffic really routed abroad if traceroute says that my traffic is routed through servers with foreign IP addresses?

My ISP is owned by a company that resides in our neighboring country. I have noticed that when I do a traceroute to a server that I know is placed in the same country as I live, I can see some hops ...
5
votes
7answers
28k views

Show all machine's internal IP addresses (Windows XP)?

I have 3 Windows XP machines connection in a small home network. (2 of the 3 have no screen or keyboard.) What's the easiest way for me to find out each of the machines internal IP addresses? Is ...
1
vote
1answer
30 views

Make PC Accessible over Internet using Public IP [duplicate]

I want to make my PC as webserver, file server which should be accessible over internet. I have a public IP, how can I use it to make my PC accessible through internet? Any help?
17
votes
1answer
2k views

Pinging different IP address than what I entered [duplicate]

Can anyone please explain why CMD pings a different IP address than the one I am searching for?
0
votes
3answers
140 views

How can you calculate IP address subnet ranges?

If you're given: Number of needed subnets: 2 Network Address: 195.223.50.0 I can answer the following: Address Class: C Default Subnet Mask: 255.255.255.0 Custom Subnet Mask: 255.255.255.192 ...
6
votes
11answers
32k 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 ...
1
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3answers
486 views

Print/list/check address blocks, matching a CIDR network prefix, from command line?

I am not much of a network person, but I understand that (IPv4) addresses can be written in a format like 127.0.0.1/16. I tried reading through Wikipedia's IPv4 subnetting reference, Subnetwork and ...
0
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0answers
26 views

Accessing Asus RT AC68U while on Access Point

I've been trying to access my Asus router which has been set to access point with no avail. I tried softwares like Agnry IP Scanner and it just doesn't exist! I disconnected the router from the home ...
1
vote
1answer
42 views

Tool to group a list of IP addresses into IP ranges

I look after a website that is currently being flooded with HTTP requests from different IP addresses but all using the same user agent string I've grepped the log file and now have a file with all ...
1
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0answers
13 views

How to use IP address after getting ip pool from irinn?

How to use IP address after getting ip pool from irinn ? What is exact procedure after IP registration till getting ping from outside network ?
0
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0answers
33 views

Static LAN IP address not being saved. Always reverts to DHCP

I am running Windows 8.1 (64 bit) and going to my local network connections, right clicking and then going to properties of my Broadcom wireless connection I change from DHCP to static ip (IPv4) by ...
2
votes
0answers
100 views

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 ...
25
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14answers
17k views

IP Address vs MAC addresses

why do we need ip addresses if mac address is enough to identify the machine???
0
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2answers
63 views

How do I know if two machines are on same LAN?

I am very poor with Computer Networks, even though I took class in my grad school. I keep forgetting about subnets and masks and what not! Currently, I am playing with Docker and Erlang and was ...
0
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0answers
66 views

How to setup my VPN Server?

I had successfully setup vpn server on windows 8.1! Since, I am in a university, many sites are blocked, so in my vpn server I have connected through another vpn (OpenVPN, Psiphon etc.) But now I want ...
0
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3answers
78 views

What is the IP address of my home computer from the perspective of the outside world? [duplicate]

What is the IP address of my home computer from the perspective of the outside world? I need this in order to grant myself permissions to connect to a mysql database on a work server. I'm working on ...
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2answers
57 views

What IP to listen on to see web server from outside LAN?

Okay, so I'm semi-new to networking and to back-end web development, and am learning Flask presently. I just turned on a basic little HTTP server on my laptop ("Hello World!") and am running it on ...
0
votes
2answers
238 views

See own sent email IP address in webmail

I have my webmail account (hotmail, which doesn't use private IP addresses for e.g.). How can I see what the IP address is of emails (under 'View message details') I send without cc'ing myself each ...
1
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0answers
44 views

DHCP server in separate broadcast domain and option 82

Recently studies of DHCP servers raise some questions, which I cannot find the answers to using Google. Many documentations state: "If there is only one subnet declaration, and no network interfaces ...
1
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3answers
503 views

Mapping one IP address to another in the 'hosts' file [duplicate]

The hosts file (%SystemRoot%\system32\drivers\etc\hosts) lets you make google.com point to, for example, 127.0.0.1 on your local machine, but what if I wanted to make, say, 192.168.1.5 point to ...
6
votes
6answers
21k 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 ...
10
votes
3answers
9k 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
4k 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
220 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
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1answer
71 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
68 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 ...
4
votes
4answers
271 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
14k 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
171 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
71 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 ...
0
votes
0answers
28 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
13k 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
132 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
549 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
877 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
9k 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
412 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
5k 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
47 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 ...