Is 127.0 0.1 a valid public IP address?

Question

0.1 is (by convention) the loopback address used in almost all cases. 127.0.0.1 and other 127.0.0.0 network addresses do not belong to any of the private IP address ranges defined in IPv4. 15 янв. 2022 г.

What is the IP address of 127.0 0.1 used for?

0.1, the IP address of the local computer. This IP address allows the machine to connect to and communicate with itself. Therefore, localhost (127.0. 0.1) is used to establish an IP connection to the same device used by the end-user.

What is a valid public IP address?

A valid, public IP address is one which the ISPs have agreed to route on the public Internet. For the most part, any IPv4 address, which doesn't fall into any of the ranges which IANA considers as not globally routable, is a valid, public IPv4 address.

What class is the 127.0 0.1 address?

The class A network number 127 is assigned the “loopback” function, that is, a datagram sent by a higher level protocol to a network 127 address should loop back inside the host.

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