IP v6 Address Space

1
IP v6 Address Space

• four time the of bits as v4
• 128 bit vs 32 bit
• of addresses
• 340,282,366,920,938,463,463,374,607,431,768,211,45
  6

2
Size

• Address space gt 3.4 x 1038
• This is approximately 665,570,793,348,866,943,898,
  599 addresses per square meter of the surface of
  the planet Earth (assuming the earth surface is
  511,263,971,197,990 square meters).

3
OR

• If addresses are assigned at the rate of one
  million address every microsecond, it would take
  over 20 years to assign all possible address.