IP Address Classes

 IP Address Classes

Class A: 

Subnet mask: 255.0.0.0 

IP range: 10.0.0.0 - 10.255.255.255 

Host capacity: 16,777,214 

Use: large organisation networks 

 

Class B: 

Subnet mask: 255.255.0.0 

IP range: 172.16.0.0 - 172.31.255.255 

Host capacity: 16,382 

Use: medium sized networks 

 

Class C: 

Subnet mask: 255.255.255.0 

IP range: 192.168.0.0 - 192.168.255.255 

Host capacity: 254 

Use: small home networks 

 

Class D: 

IP range: 224.0.0.0 - 239.255.255.255 

Host capacity: N/A 

Use: small home multicasting 

 

Class E: 

IP range: 240.0.0.0 - 255.255.255.255 

Host capacity: N/A 

Use: experimental 

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