Cables to Go CDM-570L manual Class D

IP Addressing

•16-bit node number

CLASS A

CLASS B

CLASS C

Address	High-	1st Octet	Networks	Hosts
Class	Order-Bits	Decimal Range	Available	Available
Class A	0	1-126.x.y.z	126	16,777,214
Class B	10	128-191.x.y.z	16,384	65,534
Class C	110	192-223.x.y.z	2,097,152	254

Figure A-4IP 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 E

•240.0.0.0 to 255.255.255.255

•Reserved for experimental use and limited broadcast

Appendix A - Network Addressing A-7