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

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2
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1answer
29 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 ...
0
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2answers
30 views

Difference between private IP and public IP? [duplicate]

What is the difference between public IP and private IP? Does each machine have both a private IP and a public IP? Who assigns public and private IP? and how can a machine having only a private IP ...
60
votes
5answers
5k views

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

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 ...
-1
votes
1answer
27 views

Hide IP from flash objects

Running a flash plugin will make it able to retrieve my real IP address even if I'm using a proxy. Is there a way to prevent that?
-3
votes
2answers
38 views

Switching to IPv6 - Do I need a router?

In the future, since every IP (IPv6 adress) is going to be global, we don't need to use NAT. So basically, why do I need a router on an IPv6-only global network? Why not just replace my router with a ...
0
votes
0answers
9 views

/etc/ethers is not being read by dnsmasq

I recently configured dnsmasq on Raspbian, and everything was working perfectly except that /etc/ethers wasn't being read (yes, I did uncomment read-ethers and remember to restart dnsmasq) - the ...
0
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0answers
21 views

I need a dynamic script for changing Host IPs depending on computer name that I can shoot over the network

Does anyone know how to make a Batch/Script, that I can modify, for looking up the host computer name and build the IP and gateway off of it. we have a simple setup of computer name refers to ...
0
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3answers
130 views

I changed the IP address on my router and now can't access the web interface

I changed the IP address on my bt home hub 5 router from 192.168.1.254 to 192.168.0.254 because I was trying to connect to an IP camera - big mistake. Now I can connect to the router but there is no ...
1
vote
0answers
32 views

Can't get access to my internal IIS Server?

Before I could get access to my IIS Server using its static private IP address (on the Windows Server 2012 itself), but now I can only access the IIS Server web page using its localhost and 12.0.0.1 ...
0
votes
2answers
63 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 ...
-1
votes
2answers
635 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
2answers
405 views

Get and reserve an available IP address from a dhcp server to use for my ip camera

I have a c# desktop app. I have an ip camera and I want to assign a static ipaddress to it. I need to be able to get a 'free/available' ip address from my dhcp server, reserve it and assign it to my ...
0
votes
0answers
60 views

Ethernet port on Linux machine not recognizing ethernet connection with embedded device

I have an atmel at91sam7x256 microcontroller that I would like to use for a TCP/IP communication. The very first step of my project is to be able to "ping" my board given its IP address. I have its IP ...
2
votes
2answers
68 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?
0
votes
0answers
21 views

Router and PC IP Address Differ

OK, I have a router that is my central hub. I have a DHCP reservation set up to keep IP addresses constant across the network but when it comes to my main PC, the router shows the PC to be reserved ...
0
votes
0answers
51 views

qlen value in iproute2 output

I have the following output for ip addr: ┌─[hhfh:HHFH]─[Downloads]─[07:28 PM] └──$ ip addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback ...
0
votes
2answers
104 views

Is it possible to get different external IP Address for two different computers that connect to the same router? How?

I want to play an online game with my brother, but the game seems to prevent having two users use the same external IP Address at the same time. Is there any way to have two different external IP ...
0
votes
1answer
51 views

Changing IP address on a “shared” Wi-Fi router

I don't really know how to word this properly since I don't know the name, so, sorry for the odd question. In my situation, I lived on an apartment and they provide internet service on a monthly fee ...
0
votes
2answers
60 views

ifconfig command on mac does not show IP address

When I run ifconfig, eth0 is not shown, and only en0 is displayed: >> ifconfig en0 | grep inet inet 192.168.0.102 netmask 0xffffff00 broadcast 192.168.0.255 When I type My IP in Google, my IP ...
1
vote
1answer
17 views

How to get external IP addresses of 2 ISPs on Mac OSX

The next code displays the external ip of 1 ISP. curl ipecho.net/plain; echo Is there any code to display the external ip of 2 ISPs? My mac mini is connected to 2 internet providers. One in en0 via ...
-1
votes
1answer
143 views

Why am I connected to 65.52.240.48?

I notice my computer is connected to 65.52.240.48 using the firefox process. I looked it up it says the IP is in Redmond and "Microsoft Hosting" but I also get camtasia results. I have camtasia ...
-2
votes
1answer
69 views

Use Router (External) IP Address for Dadicated Server [closed]

Currently i am in India. i have Broad Band Connection. I have TP-link router and i want to use router's external ip address for my dedicated server. Is it possible.? I am java developer not much on ...
0
votes
0answers
173 views

When on VPN, can't load any sites that belong to Google

I work from home and I VPN into the office. We are a remote team all over the country and we use Google Hangouts to video conference. After I VPN, I then RDP onto my desktop which is a physical ...
1
vote
2answers
293 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 ...
0
votes
2answers
136 views

How can I find private IP address of a device?

I 'm trying to detect IP address of a Wireless Access Point device, connected via Ethernet on my router. Router's configuration page shows status of the Ethernet port is up, but no device connected. ...
0
votes
1answer
24 views

What happens when we alias an IP address to a system?

What happens when we alias an ip addr which is already allotted to some other on the same LAN. Is aliasing local to my system?
0
votes
2answers
334 views

Trace the phone number from the email sent

This question can be bizarre, but I just learnt that we can get the location from where the email is sent. Suppose the email is sent from a phone, say Iphone, will the ip address still point the ...
0
votes
1answer
73 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 ...
0
votes
1answer
50 views

Issues with IP address when changing MAC address

Whenever I spoof my MAC address the WiFi fails to acquire IP automatically and I have to set it manually. My original MAC address is blocked on the network. Please help me, I'm facing IP address ...
0
votes
0answers
325 views

iPhone self-assigning IP address 169.xxx.xxx when connecting to my slave router

My aim is to have a network configured where all devices can see and communicate with each other, all devices should have access to the internet as standard. The reason why I have decided on a ...
0
votes
2answers
551 views

Can't access to internet with my virtual machine

I created a virtual machine (Centos) on VMWare workstation. The network adapter is on bridge. My computer has the following IP address : 10.0.0.5/24 and the gateway is 10.0.0.1, so my virtual ...
1
vote
2answers
2k 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
1answer
103 views

Error when running ifup -a

Last week I tried to change the IP address of my Linux computer to static: address 192.168.10.10 netmask 255.255.255.0 network 192.168.10.0 broadcast 192.168.10.255 gateway 192.168.10.1 Then I ...
2
votes
3answers
382 views

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. ...
0
votes
1answer
594 views

Route traffic from one address to another on one interface and to everything else through another interface

I have a small embedded computer running busybox. It has a wired eth0 interface, which is connected to an on-board wlan-module's wired interface by a cable. Also there's an 3G module on ppp0. I need ...
50
votes
7answers
6k views

IP address that is the equivalent of /dev/null

Is there an IP address that would result in any packet sent to be ignored (blackholed)? I know I can always set up a router with an IP address and then just have it ignore all packets sent to it, but ...
1
vote
4answers
101 views

Where did the routing table on my Windows PC come from?

When I connect to a LAN, I know a DCHP server will provide my PC's IP address and the default gateway (these will be part of the route table) and that loopback addresses are probably automatically ...
0
votes
1answer
74 views

IP Address translation from external to internal

I want to know how to translate an external IP Address to an internal IP Address. For example, how do I translate my external IP, XXX.XXX.XXX.XXX to an internal IP, such as my iDevice at ...
0
votes
1answer
456 views

Windows 7 computer not renewing ip address on start up unless I reset computer

I recently reinstalled Windows 7, and I noticed that I do not automatically receive an IP address when I start up the computer. When I reset, it makes it get an IP address, and I can surf like ...
3
votes
1answer
385 views

My wifi is now connected to 2 different networks on my Wifi

I tried setting up 2 different IP addresses on my laptop but what ended up happening was now I got my Local Wifi network + the "Unidentified Network" on my Current Connections. How do undo this? I ...
0
votes
1answer
65 views

IP Address Information

When I connect from abroad to my host (home) computer and use it to access a casino in Europe, is there anyway my ISP in the country that i'm in at the time can tell that I am connected to the casino ...
-2
votes
1answer
333 views

How do I change my IP Address on my computer? [duplicate]

My laptop is running Windows 7 and I connect my Wifi to my house. How do I change my computer's IP address without having to reset my internet router?
0
votes
3answers
162 views

Querying DNS servers address in ipconfig

As I look for DNS servers in command prompt: IPv4 Address. . . . . . . . . . . : 192.168.1.2(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : ...
0
votes
2answers
110 views

How to calculate ip address in a range?

If I run this command, # nmap -sP 192.168.0.120/25 which IP addresses are scanned? How can I calculate the IP addresses that are in this range? I've been searching Google but I couldn't find ...
0
votes
0answers
44 views

I have a small computer with DHCP, but what makes it publish names to clients?

Set up a small ARM computer (cubox) with Debian. That has three NICs, one Internet, two local net. Basically, this is a router with a bridged interface (br0) and firewall. DHCP-server ...
-1
votes
1answer
178 views

virtual ip address-how it works and uses of it

My questions are: How having an ip address for an application is useful? Does packets coming to application have virtual ip address as destination ip address or physical ip address? Thanks in ...
0
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0answers
94 views

VPS IP redirects to website instead of the IP directory? CentOs 6

So before I started putting websites on my VPS, I could access the IP directly and it would access the html folder in the /var/www/ area. But ever since I placed websites on the VPS, I can no longer ...
0
votes
0answers
85 views

Likeliness of obtaining same IP address after restarting a router

My actual objective is to simulate logged IPs of web-site users who are all assumed to use dynamically assigned IPs. There will be two kinds of users: good users who only change IP when the ISP ...
1
vote
1answer
92 views

Identify a private IP address

How can I get more info about an IP address, I get from nmap in Linux? nmap -sP 192.168.0-255.0-255 Starting Nmap 6.00 ( http://nmap.org ) at 2013-10-30 15:06 EET Nmap scan report for 192.168.1.1 ...
0
votes
2answers
1k views

Why can't IP addresses start with 0 or 255?

It was specified somewhere (presumably in an RFC) that Class A addresses range from 1-126 in the first octet, and that class E addresses range from 240-254, but that leaves out two potential networks ...