Quick Review : IP addressing

IP addressing

–        Class A addresses 8 bits network number

–        Class B addresses 16 bits network number

–        Class C addresses 24 bits network number

  

  Distinguished by leading bits of address 

–        leading 0 => class A (first byte < 128)

–        leading 10 => class B (first byte in the range 128191)

–        leading 110 => class C (first byte in the range 192223)