Switch to IPv6 as IPv4 Internet Addresses Have Officially Run Out
We all knew that this day was coming. We’ve been reading about the
drying blocks of IPv4 addresses and for the first time North America is
out of the new IPv4 addresses.
Now
US, Canada, North Atlantic and Caribbean islands are getting the
waiting list from the American Registry for Internet Numbers. ARIN has
warned that it will be unable to fulfill the allocation of a big IPv4
address block as the address pool is drying. Due this, for the first
time ARIN is changing its allocation policies.
This isn’t something that has happened something out of nowhere as
the global demand of IPv4 addresses has been increasing and the supply
has been in peril. Apart from North America, other registries have
issued similar warnings in the past and currently only African
organizations can get IPv4 addresses as needed.
John Curry, ARIN CEO told Ars Technica that if a person gets a
smaller block, he/she can’t apply for more space for 90 days. He added
that they are currently having 500 remaining blocks and they handle
about 300-400 requests per month, so these remaining blocks won’t last
for more than 2-4 weeks.
But, the news isn’t so bad as IPv6 is picking up the pace. ARIN is
encouraging the organizations to consider using IPv4 addresses. The
supply of IPv6 addresses is enough and isn’t likely to run out “ever” in
future. People saw the eventual depletion of IP addresses in the early
1990s, so they developed the new version 6. IPv6/ increases the length
of IP addresses to minimum 128 bits.
So, the only real solution is switching over to IPv6 as it allows
almost unlimited number of IP addresses. While some of biggest
organizations are already using it, some of them are avoiding this
transition as it is a time consuming process, it’s expensive and tough.
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