The IP (internet protocol) is a protocol for transmitting data over packets ("datagrams"). It is the primary protocol of the Internet. "IP" may also refer to an IP address, the numerical address assigned to an IP-capable device.

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finding MAC address from a remote computer using a private IP

I want to know the MAC address of a device from a remote computer. I also want to know the security threats if somebody knows my MAC address?
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3answers
76 views

Choosing from two IPs on a single machine

I have a server running on Windows Web Server 2008 R2. The server has two IPs that can be used to reach this server from the outside of the network. I need to connect to a game from two different IPs ...
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3answers
2k views

How to message any user on your LAN?

I have admin access to all (read most) the machines on my LAN. However, I wanted all users to be able to coordinate with each other. How should I approach this problem? One solution which I can think ...
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1answer
3k views

Multiple static WAN addresses on Asus RT-N66U?

I'm trying to configure multiple static IP addresses on my new Asus RT-N66U router, I had fiber installed yesterday so my old Thomson router won't work any more unfortunately. Previously I ran a ...
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3answers
1k views

Is it bad to disclose external IP to strangers?

I was looking some examples on how to connect mysql/tomcat from a remote system. (ex1, ex2, ex3) I have just provided some links though there are many available. In all the examples I have seen ...
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3answers
461 views

10.x.x.x IP address found in traceroute

From what I've read, 10.0.0.0 - 10.255.255.255 is a private address space. So I ran a tracert over the internet and I saw an address 10.15.25.98. How is that possible? Thanks in advance! Tracert Log: ...
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1answer
232 views

Need Multiple IP addresses from one PC

I'm using it for online games and running programs for friends out of one PC. Limits will be placed soon, so my question is: how can I get a different IP address for each account loading up from one ...
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1answer
5k views

Communication possible between 192.168.0.x and 192.168.1.x?

I have a problem I encounter on a regular basis. I have an access point with a fixed 192.168.0.x IP address. My network is 192.168.1.x. The problem is when I plug the access point into my network, it ...
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2answers
379 views

Source port 443?

I'm might embarrass myself with this question, because of something really obvious, but I'm puzzled. My home broadband firewall log says it has been blocking incoming TCP traffic with a source (!) ...
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1answer
85 views

How to set up different IP settings on different WiFi networks?

On my Windows 8.1 laptop I often play multiplayer games that require some port forwarding. I constantly have to change the port forwarding settings, because my IP address keeps changing every time. Is ...
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4answers
1k views

How to know the IP address of a website

I wanted to know the IP address of a website.One way is to ping the website.For example if I want to know the ip address of google.com then I can ping in command prompt. Pinging google.com ...
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9answers
12k views

Can you grab any IP address on the Internet?

On a personal network (LAN) one can simply grab an IP address. If you choose the same IP address as an existing client, you get problems. There are companies like IANA and ICANN that are in charge of ...
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1answer
304 views

Public reachable IP address without ISP offering that service [duplicate]

Is it possible to get a static public IP-address to access e.g. a home-located server when your ISP isn't offering that service (only shared IPs). I'm thinking of a VPN-like-service to do this, but I ...
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5answers
2k views

What is the actual IP address of my computer

I am testing out to see whats my IP address but depending on which website I used , I get different IP address . I am using a router If i use this , My IP address is If i use this , My IP address ...
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3answers
3k views

Specific static IP settings on different WiFi

I've been trying to set a static IP address for myself. My router details are as following: Wireless LAN adapter Wi-Fi: Connection-specific DNS Suffix . : Link-local IPv6 Address . . . . . ...
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1answer
129 views

IP Address and Autonomous System Number

Is there a way to hide server's IP Address and Autonomous System Number from search? For an example, you do not want users to look up the server location or where it is leased from.
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1answer
214 views

DHCP Pool Range / IP-Camera Setup

Lately I have been trying to set up a IP-Camera for friends wirelessly. I realized on their router its DHCP pool range is from 192.169.2.100 - 192.168.2.200. But when I changed the IP address of the ...
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3answers
2k views

If you connect directly to your modem how does the IP address get assigned?

From my understanding your ISP will assign (sometimes dynamically) an IP address to your router. (Or is it assigned to the modem? [I'm starting to think it is.]) If it is assigned to the router, ...
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1answer
377 views

Fail to connect to Jabber with external IP

I set up my own encrypted Jabber chat. I use prosody for this. When I use localhost or the internal IP address, I get connected without problems. But whenever I use my dynamic but up-to-date, external ...
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3answers
3k views

Source Address / Source Port vs Destination Address / Destination Port

I am new to TCP/IP and trying hard to learn basics. Well, I really wonder about inbound rules and outbound rules of Firewall and concept of source adress:port, destination adress:port. For example I ...
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1answer
76 views

Remote IP on a local device

What I want to achieve is to be able to have one of the IP addresses from a remote server on a local server (raspberry pi). Right now the network map would look like this: RPi (192.168.0.42) ---> ...
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2answers
2k views

Getting strange IP Address from router

I've had a router set up for quite some time and it has been working perfectly. My wife called me to tell me the wireless internet wasn't working and when I came home I saw that my phone was connected ...
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1answer
967 views

what are some possible reasons why my company's DNS server sometimes fails to resolve the host name of some of my VM's?

I'm in charge of a group of VMs that are used by members of the group that I belong to for accessing web apps, web services, build servers, and stuff of that nature. IT is in charge of the DNS ...
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1answer
59 views

how to access a range of public IPs only through a VPN?

For security reasons, I am not supposed to access an otherwise public IP range unless a VPN is up. However, if my VPN is down, my system routes to the IP anyway, which is a breach of my obligations. ...
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1answer
601 views

Router Setup requires my IP Address, DNS Server, and Gateway?

So I am used to setting up a new router being nearly a plug and play affair. This time however my new Rosewill L600N router refuses to give me access to the internet. I ran their auto-setup wizard to ...
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1answer
293 views

Who is responsible for proper routing ? T-Mobile is using my IP address

I have an odd problem and I'm not entirely sure who, if anyone, is responsible for getting it fixed. Here is my situation: I have rented a dedicated server from Hetzner. They have provided a server ...
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60 views

Over VPN IP/USB sharing Linux

I have one issue I don't know if this are possible but so i explain you and i hope to can find a great result of this. I have a server in the cloud so and on my home i have a scanner/Printer over IP. ...
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1answer
161 views

Finding IPs covered by Subnets in an Excel document

So I have a giant excel document that contains a list of IPs, but there are also entrys that have subnets. So for example, I might see "IP" "/16" and the first two octets would be the first two ...
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1answer
52 views

DNS resolution of static IPs at Router level [duplicate]

I currently have a few static IPs set in my router and I'm wondering if there is any way that i can access/ping/refer to them via a DNS request (i.e. instead of 192.168.0.8 use something like ...
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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 ...
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0answers
120 views

Best ip configuration for unique dual router setup

current setup routerA--------------PTP dish link---------------routerB unique wan ip/internet unique wan ip/internet ...
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0answers
880 views

Why won't my DHCP addresses “stick”?

I've been having some addressing issues that I've been unable to solve, and I'm hoping I can get some guidance about other things to research. Service provider is Time Warner cable. A static IP is ...
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1answer
81 views

routing table, ip address for outgoing packet

Network Destination Netmask Gateway Interface 0.0.0.0 0.0.0.0 192.168.2.1 192.168.2.8 ...
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1answer
299 views

Hama m360 Wireless IP Cam Setup Nightmare

I have set up IP Cams before, although it has been a while. Recently a friend of mine wants me to help him set up a Hama m360 IP Camera. I have read the instruction for so many times I could even ...
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0answers
112 views

Adding an IP block into VMWare Esxi

I have a dedicated server with VMWare Exsi 5.5 installed and I have recently bought another /29 from my colo provider. They have set things up so that it works this way: Original: Network: 1.2.3.1 ...
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2answers
499 views

Why nic with incorrect subnet mask can still ping the gate way?

At first, my network config was like this: $ ip a 2: em1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 3c:97:0e:bd:b1:68 brd ff:ff:ff:ff:ff:ff ...
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1answer
87 views

Log IP address obtained by DHCP Server-Ubuntu Desktop

Would there be a way I could write a script that records the dhcp IP's that the computer running Ubuntu obtains everytime it obtains a new IP?
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2answers
256 views

bash script tells me when new computer joins LAN via smbclient

I'm thinking of creating a script that loops until it finds a new IP on the Network created by the router DHCP Server. I am thinking of using NMAP. nmap 192.168.0.1-254 However I am wondering how I ...
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1answer
96 views

Set IP Address based on User Name

So I have a script from my old XP installation that sets the IP address based on what the username is. Here is the script: 'Get Username set objNetwork = wscript.CreateObject("wscritp.network") ...
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0answers
34 views

Easy: Why does `network` command keep looking for an old router?

What am I missing in this manual dhcp configuration? I'm using CentOS 6. From Redhat's page I've setup a manual configured dhcp client: The /etc/sysconfig/network file should contain the ...
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2answers
501 views

How to make my computer think an IP is somewhere else

I have a local app which code I do not own and tries to directly connect to some IP, let's say 123.45.67.890. For testing purposes, I would like to re-route that connection to somewhere else, another ...
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1answer
231 views

Rapidly changing public IP address causes issues with site login and server connection

Since I changed my ISP, I have had issues logging into sites (e.g. StackExchange), MMORPGs and connecting to SMTP servers. I did some research and it turns out that my public IP address is changing ...
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2answers
30 views

Old Public IP has past owners DNS name

I have a new IPv4 address and every DNS Resolver site tells me that my DNS name is toponscapital.com. What can I do to at least change this?
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2answers
993 views

Who owned 192.168.x.x IP address?

I am confused about the meaning of 192.168.x.x (private network). In DSL bridge mode, my computer has been assigned an IP as part of ISP's private network such as 36.82.x.x. It also can connect to ...
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1answer
84 views

Show pc with static IP on dynamic IP router

I have a router with dynamic DHCP where I created some fixed addresses for some things I want to use with dyndns. The problem is, that I have a pc/server which does not support DHCP/dynamic IP, so I ...
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1answer
1k views

External IP redirects to router page [duplicate]

I'm having a small problem here. I'm running wampserver and I'm trying to access it externally so I could use it as a webserver for others to view my projects using my external IP I forwarded the ...
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1answer
70 views

Make an IP forward to a directory on local machine

I would like to setup a forward, where I open my web browser, type in an address such as: http://helpdocs and it direct me to a folder on my computer with a HTML file in it, such as in a website. I ...
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1answer
210 views

Resetting gone wrong

I have reset my linksys router, and now my internet is horribly slow. please check details from command prompt below and tell me what's wrong. Thanks. Microsoft Windows [Version 6.1.7601] ...
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1answer
52 views

In an IP filter, where does the IP I'm trying to block goes: source or destination?

I'm trying to block a certain site/ip-address (http://122.160.230.125:8080/vta/redirectedPage.do) from opening. I figure (?) that if I could put 122.160.230.125 in my router IP Filter settings I ...
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2answers
54 views

Configuring an IP address to my domain

Sorry this may be a basic question. I have a domain name onebyinfinity.co.nz and I want it to point to an ip address 203.124.98.229. I have set the A record in my DNS Server to 203.124.98.229. ...