Network class
from IP
to IP
Standard subnet
mask
A
10.0.0.0
10.255.255.255
255.0.0.0
B
172.16.0.0
172.31.255.255
255.255.0.0
C
192.168.0.0
192.168.255.255
255.255.255.0
(The Host-ID is underlined.)
Some Host-IDs are reserved for special purposes.
Host-ID = "0"
Identifier of this network, reserved!
Host-ID = maximum (binary complete "1")
Broadcast address of this network
Never choose an IP address with Host-ID=0 or Host-ID=maximum! (e.g.
for class B with subnet mask = 255.255.0.0, the "172.16.0.0" is reserved
and the "172.16.255.255" is occupied as local broadcast address for this
network.)
Reserved Host-IDs
System 300S
+
Deployment Ethernet communication - productive
Basics - IP address and subnet
HB140 | CPU | 315-4PN23 | en | 18-02
107
