CCNA Routing & Switching :IPv4 Address Classification
• IP Address is Logical Address. It is a Network Layer address (Layer 3).
• IP address is given to every device in the network and it is used to identify the device with in the network.
IPV4 address classifications
Total IP Address Range of IPv4 is 0.0.0 .0 to 255.255.255.255
IP Addresses are divided into 5 Classes
CLASS Class Ranges
Octet Format
No. Networks & Hosts
A 0.0.0.0 – 127.255.255.255 N.H.H.H 126 Networks & 16777214 Hosts per Network
B 128.0.0.0 – 191.255.255.255 N.N.H.H 16384 Networks & 65534 Hosts per Network
C 192.0.0.0 – 223.255.255.255 N.N.N.H 2097152 Networks & 254 Hosts per Network
D 224.0.0.0 – 239.255.255.255 Reserved for multicast traffic
E 240.0.0.0 – 255.255.255.255
Reserved for Research and development
Views : 18202
ipv4
