What is the IP address 127.0 0.0 used for?

What is a 127.0 0.0 address used for?

127.0. 0.0/8 - This block is assigned for use as the Internet host loopback address. A datagram sent by a higher level protocol to an address anywhere within this block should loop back inside the host.

What is the IP address 127.0 0.1 Used for why is it useful for technicians and administrators?

The loopback address has a default IP (127.0. 0.1) useful to test programs on your computer, without sending information over the internet. This helps when you are testing applications that aren't ready for the world to see.

What does sending a ping to 127.0 0.1 do?

The IP address 127.0. 0.1 is called a loopback address. Packets sent to this address never reach the network but are looped through the network interface card only. This can be used for diagnostic purposes to verify that the internal path through the TCP/IP protocols is working.

Is 127.0 0.1 a valid public IP address?

Reserved Addresses 0.0" and "255.255. 255.255." Another number, "127.0. 0.1" is called the "localhost;" every computer on a network refers to itself as this address. Because these numbers have special meanings, the network does not assign them to PCs; such addresses would be invalid.