IPv4 Not Dead Yet: 625 Days of IPv4 Addresses Remain

“The new year has barely started, but it’s already become
apparent that at least one dire prediction about 2010 isn’t going
to come to pass.

“IPv4 address space will not be exhausted in 2010 as the
Internet Assigned Numbers Authority (IANA) had once forecast. But
that doesn’t mean that network managers or even consumer
electronics vendors should sit on the sidelines. This week at the
Consumer Electronics Show in Las Vegas, the American Registry for
Internet Names (ARIN) is advocating that vendors start making the
move to IPv6 now.

“IPv4 technology uses a 32-bit address space providing capacity
for 4.3 billion IP addresses. The next-generation IPv6 system has a
128-bit address space, providing a capacity orders of magnitude
larger (the number of addresses IPv6 could support can be expressed
as: 34 x 10 to the 38th power, or 340 trillion trillion
trillion).”

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