American company building cold aisle computer rooms

networking

127 is the last network number in a class A network with a subnet mask of 255.0.0.0. 127.0.0.1 is the first assignable address in the subnet. 127.0.0.0 cannot be used because that would

What''s the difference between 127.0.0.1 and 127.0.0.0

The difference shown here is that there exists two routes - a general route to any device using 127.x.y.z and a very specific route to host 127.0.0.1 (which is in 127.0.0.0), both of which use the 127.0.0.1

What''s the difference between 127.0.0.1 and 0.0.0.0?

It''s 127.0.0.1 INADDR_LOOPBACK vs. 0.0.0.0 INADDR_ANY which is used for socket binding to all available interfaces so you listen on all IPs of the host.

What is the difference between 127.0.0.1 and non-localhost addresses?

From my point of view, your questions are too different to be grouped in a single question. To answer your main question : the purpose to use 127.0.0.1 instead of a non localhost

What''s a loopback-address? I.e. 127.0.0.1

What is a loop-back address? 127.0.0.1 is a loop-back address, but what does this even mean? Please be very descriptive and give an example, as I''m having a hard-time understanding this.

What is difference between localhost address 127.0.0.1 and 127.0.1.1

127.0.0.1 is the loopback address, commonly known as localhost, which is the name that resolves to it by the local hosts file. This file is in different locations depending on the OS, but in most

What is the 127.0.0.2 IP address for?

The most common IPv4 address used is 127.0.0.1. Commonly these loopback addresses are mapped to the hostnames, localhost or loopback. or from the RFC itself: RFC 3330 - Special-Use

Why is my localhost not 127.0.0.1 but ::1, and what notation is that?

Not only is that IPv6, but there is nothing special or hard-coded about localhost; it is specified in the HOSTS file. It is 127.0.0.1 by default, but you can change it to whatever you want, or remove it

windows 7

Localhost or 127.0.0.1 is simply a built in ''name'' for your local computer. That is, 127.0.0.1 is called a "loopback", because it is merely a pointer that points back to your machine.

What is the loopback device and how do I use it?

That is, 127.0.0.1 through 127.255.255.254 all represent your computer. For most purposes, though, it is only necessary to use one IP address, and that is 127.0.0.1.