About
A host or network host is a computer or other device connected to a computer network.
Internet Protocol
The subsection talks about the properties of a host in the Internet protocols.
Ip Address
A host can have several IP addresses and IP names, but it can only have one host name
File
The host file is a local DNS where you can add your own host information such as name, IP.
Name
Identifier
A host identifier is the first part of an ip address
In ipv4, the host identifier is represented in the form nnn.nnn.nnn.nnn, where nnn is a number from 0 to 255 (for example, 192.168.1.10 or 85.151.134.69).
All hosts on a subnetwork have the same network mask (prefix,..), unlike the host identifier which is a unique local identification inside this subnet. 1)