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

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When adding ip address to block on router it says invalid ip address

I'm trying to block skype at the router and when I add an address such as 111.221.74.0 it says "Invalid IP address:111.221.74.0!". I'm using a Cisco DPC3825. Any ideas how to block the IP address? @...
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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 ...
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1answer
1k views

arp command returning weird info for Apple routers

When I use arp -a command, my two Apple routers (Extreme and Express) return weird results, unlike my other results. The IP address isn't a LAN IP address like the other results and the MAC address ...
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0answers
3k views

How to fix DHCP giving out numerous bad addresses

Where I work we have run into a major issue a few times in the past month. Our DHCP server will randomly start filling up with BAD_ADDRESS. We have 3 sections in the subnet. (4.x, 5.x, and 6.x) Aside ...
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1answer
208 views

Remote Access Service

I just want to know that can any class of ip(both public and private) can be used for establishing a remote access service like ssh, or is their their any limitation that public cannot access private ...
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0answers
907 views

Why can't I change the subnet IP address in the Virtual Network Editor in VMware Workstation?

In the Virtual Network Editor in VMware Workstation (version 9.0.0 build-812388), I want to change the subnet IP address or one of my host-only virtual networks from 192.168.203.0 to 192.168.124.0 (...
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1answer
5k 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?
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3answers
1k views

Network addressing without wasting IP addresses

I know how to do the classic "network addressing" when I am allowed to waste IP addresses. For example, if I need to hook up 9 computers, I could use a /28 subnet, which allows 16 hosts to be mapped ...
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1answer
2k views

Host (win7x64) can't connect to guest (win2008r2sp1) via host-only networking

I'm using windows 7 64 bit and installed the latest virtualbox (4.2.16). I then create a host-only adapter by going to File > Preferences > Network > + . Then I go and edit it to make sure everything ...
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2answers
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how to map my valid ip address to my server?

I have a valid IP address set on my router. I want to map the IP address to my server running windows server 2008 r2 enterprise, But I don't know how to do it! Can any body please help me with this? ...
4
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2answers
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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 ...
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3answers
2k views

How to set domain name for server running on ip address

Right now server is accessed via IP Address http://10.1xx.19.2xx:8080/svn How can i change it to http://domainname.com/svn ? Which file to edit ?
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1answer
261 views

Windows XP change the order of IP address in a NIC having multiple ip address

I've a NIC with two IP address. Now how can I change the order of the IP address so that I can bring any one to the top and have precedence over the other IP addresses. I know I can change that from ...
6
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2answers
1k views

Why can I ping 127.1?

I know IPv6 allows consecutive zeros to be omitted. But how about IPv4? I haven't found any reference to this on the Internet, including Wikipedia and RFC 791 – Internet Protocol. This document ...
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1answer
359 views

how to change ip address in the correct way on linux?

I'm working with wheezy. I have configured the /etc/network/interfaces file so that the wlan gets the ip address from the dhcp server. after that I have imposed a different static ip address in the ...
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1answer
3k views

How to set static or dynamic ip address on linux?

I don't know a priori if a DHCP server would be present in the environment. So, I would like to set a dynamic IP address if there is a DHCP server, instead, I would like to set a static IP address if ...
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1answer
440 views

IP Address Range Calculation Logic

I want to calculate Network Address Address Of First Host Address Of Last Host Broadcast address when an IP address of the network is given. is there any standard calculate to solve this ...
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1answer
484 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, Y....
31
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2answers
81k 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?
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2answers
8k 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 ...
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2answers
1k views

How to share share internet connection to Hyper-V guest in Windows 8?

I have a Windows 8 machine with Hyper-V and I want to configure an internet connection on my guest system. The requirement is that the guest must have exactly the same IP and MAC addresses as the host....
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2answers
4k 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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1answer
430 views

Parse nmap output from vbscript to return only OS

I found a utility called nmap that queries an IP address and returns the (likely) operating system. In my tests it has worked perfectly. I'd like to embed it into a vbscript and call it as a ...
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3answers
5k views

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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3answers
947 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 ...
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4answers
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How to put two subnets next to each other?

I've been using this calculator http://www.subnet-calculator.com/cidr.php, and I'm trying to figure out how to put two different subnets next to each other. For example, I want to have a /27 subnet ...
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votes
2answers
5k views

Why does computer connected via wireless and wired have different address but same name?

I have a Thomson TG585 v7 router that can be access via a webbrowser on ipaddress http://192.168.1.254/ I have various computers connected to it via wireless or ethernet in some cases both and I've ...
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1answer
5k views

IP Address - Convert Internal Address to External Address

I am new to networking and I am wondering if it is possible that there is a way you can convert an internal IP address and convert that to an external IP address. Thanks!
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2answers
527 views

How would I go about hiding my country for HTTP browsing?

There's a filesharing site I used to use a lot which started blocking US IP addresses. I'm wondering what the best way is of continuing to download from there. I've explored a number of options. First,...
2
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0answers
177 views

Comcast gateway parental setting block CIDR IP Range

I'm not sure if this is the right place to ask this, but I am having trouble adding CIDR IP ranges e.g. 206.111.0.0/16 to my Comcast Gateway. I went to Manage Sites and it says: Please Input a valid ...
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1answer
1k views

Determine IP of WiFi Hotspot

On Mac when I set up a wifi hotspot, the ip is easy to determine. But I set up my Windows 8 laptop as a wifi hotspot and am unable to figure out its IP. I need the Ip in order to set up socketServers. ...
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1answer
203 views

Qwest 2700 HG-D Maximum User Limit?

I have a Qwest 2700 HG-D modem (w/ Wi-Fi) that I am using for home networking. Here's my problem: I have recently been trying to add another client to the Wi-Fi of the router/modem (I'm adding an ...
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1answer
137 views

Can packet have Source IP 17.0.0.0 and destination IP 66.0.0.0

I have made an packet capture application running on intel machine, it is capturing packets with src address- 17.0.0.0 destination ip- 66.0.0.0, source port- 0, destination port- 0, and protocol- 0 ...
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1answer
20k views

How to get an IP address from a MAC address? [duplicate]

I have an ipscanner, but not every device is showing up. If I know a device is on the LAN, and I know its MAC address, how can I get it's IP address?
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4answers
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All statically assigned addresses, but dhcpcd still runs?

I have a VM (on ESXi 5.1.0) running Debian Wheezy (7.0). eth0 has a statically assigned address. eth1 was DHCP-assigned, and now I want to make it static. Here is my old /etc/network/interfaces: # ...
6
votes
3answers
337 views

Two websites give different values for my IP

I just found something curious: http://whatismyip.org/ says my IP address is 82.44.14.246 http://www.whatismyip.com/ says my IP address is 31.52.118.197 I'm based in the UK and behind a router ...
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0answers
177 views

Please get me outta here.. Stubborn APIPA

Any one please help me.. I am getting an APIPA since three days.. I did all the steps mentioned in answers to this question. Still they did not resolve my problem. At last I formatted whole of my ...
3
votes
1answer
2k views

How to use different ip address between virtual machine and your laptop?

How to use different ip address between virtual machine and laptop. For laptop, my os is mac. And within my laptop, i run a virtual machine (vbox). The os within vbox is ubuntu 11. Thank you.
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0answers
86 views

Find mobile device on network

I'm trying to write a small program that will poll the network for certain IP addresses or MAC addresses (though MAC doesn't seem to show up past my WAP). My networking isn't very strong but many ...
3
votes
1answer
260 views

Understanding the black magic of IPv6 addresses

my router (AVM Fritz Box) is supporting 6to4. So far it works but I want to understand what's going on. The last few hours I spent on a IPv6 book. There are many things I understand now but there is ...
4
votes
1answer
5k views

how do I get 0.0.0.0 to resolve to localhost when browsing a url that contains 0.0.0.0?

Doing some node development on windows. Node programs like to kick out URLs that look like http://0.0.0.0:8080. In Linux (iirc) pasting that url into the browser will be successful. But in Windows, it'...
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1answer
375 views

Reliable and legitimate (legal) proxies to rent? [closed]

I'm looking to purchase access to a single SOCKS4/5 proxy server. I wish to have an origin USA IP address while I travel. I prefer to use a legitimate service, however when I google for this I see a ...
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2answers
2k views

Can a same IPaddress be located in two different locations?

In my organizantion, there is a proxy server, through which all the packets are filtered and forwarded. There are many sites that tell the location of the IP address. I tried the IP addess of the ...
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1answer
268 views

ip address seen in ifconfig in os x which is not present in network setting

I have a macbook and some while back I must have assigned it an ip address of 192.168.2.1 on the ethernet interface. The problem is that the ip is still seen even when I have removed it from the ...
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1answer
91 views

which IP address will show

If i compose a draft email on my laptop at home in one country and then travel to another and send the email will the IP address be the one where the email was composed or the one where it was sent ...
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2answers
3k views

Route summarization: How to get the route summary patently. (VLSM, CIDR)

i'm looking for a smart and short way to calculate summary routes. (CIDR, route summarization) I'm common with the subject matter of summarization, supernets, VLSM, CIDR etc. but I don't always ...
0
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1answer
3k views

How to connect thin clients to a windows network?

I have a few new HP t574o thin clients that have windows 7 embedded edition pre-installed. I want them to be able to connect to our existing network which has a windows 7 ultimate edition machine ...
2
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0answers
197 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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0answers
18 views

Able to ping but does not get the data [duplicate]

Possible Duplicate: Wireless internet connection connects but internet does not work (no packets received). Wired does I am facing a problem in my client server program; when using wireless I ...
0
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1answer
966 views

Is there easy way to get notified on change in dynamic IP address without running a local server?

Is there easy way to get notified on change in dynamic IP address without running a local server? I'm aware that similar questions have been asked, but those questions and answers to them predicate ...