User guide

Appendix A - Network Addressing A-7
IP Addressing
• 16-bit network number
• 16-bit node number
Figure A-4 IP Address Classes A, B, C
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).
CLASS A
CLASS B
CLASS C
2,097,152
16,384
126
Networks
Available
192-223.x.y.z
128-191.x.y.z
1-126.x.y.z
1
st
Octet
Decimal Range
254110 Class C
65,53410Class B
16,777,2140Class A
Hosts
Available
High-
Order-Bits
Address
Class
2,097,152
16,384
126
Networks
Available
192-223.x.y.z
128-191.x.y.z
1-126.x.y.z
1
st
Octet
Decimal Range
254110 Class C
65,53410Class B
16,777,2140Class A
Hosts
Available
High-
Order-Bits
Address
Class