Class C; Class D; Figure A-4 Ip Address Classes A, B, C - Comtech EF Data Vipersat CDD-562L User Manual

• 16-bit network number
• 16-bit node number

Class C

• 192.0.1.x to 223.255.254.x
• 2,097,152 Class Cs exist
• Can have 254 hosts on each Class C
• 24-bit network number
• 8-bit node number

Class D

• 224.0.0.0 to 239.255.255.255
• Reserved for Multicast (messages sent to many hosts).
A p p e n d i x N e t w o r k A d d r e s s i n g
A -
CLASS A
CLASS B
CLASS C
Address Address High- High-
Class Class Order-Bits Order-Bits
Class A Class A 0 0
Class B Class B 10 10
Class C Class C 110 110
Figure A-4
1 1 Octet Octet Networks Networks
st st
Decimal Range Decimal Range Available Available
1-126.x.y.z 1-126.x.y.z 126 126
128-191.x.y.z 128-191.x.y.z 16,384 16,384
192-223.x.y.z 192-223.x.y.z 2,097,152 2,097,152
IP Address Classes A, B, C
I P A d d r e s s in g
Hosts Hosts
Available Available
16,777,214 16,777,214
65,534 65,534
254 254
A-7