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Webinar Series - Securing DNS Against Evolving Threats - Session 3 of 3 "Defend Against DNS-Based Attacks" coming on 5/1 - more information

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What Enterprises Need to Know (and Do) Now That North America is IPv4 Exhausted

ARIN announced today that they are down to their last /8 (roughly 1.6 million) of IPv4 addresses. Here’s what you need to know and do:

It’s telling that two of the IPv4 blocks ARIN allocated immediately prior to their announcement went to two large service providers: reportedly, Comcast and Akamai. After all, it’s service providers that require a supply of addresses to continue to grow and be profitable.

ARIN Runs Out of IPv4 Addresses

Regional Internet Registries (RIRs) have been running out of IPv4 addresses to give to organizations that operate in their respective geographies.  Early on the run-out was difficult to predict because policies were still in flux.  However, in recent years, with the soft-landing policies each RIR adopted the recent address run-out has been slow but steady.

DNS-based Authentication of Named Entities (DANE)

Most people like you who are reading an Infoblox blog are familiar with the benefits of using DNSSEC to provide authentication and integrity for your DNS information.  DNSSEC is a lot like dental floss: we all know that it is good for our health, but few enterprise organizations actually put forth the effort to implement the best practice.  If organizations do not use DNSSEC then they are susceptible to a variety of DNS-based attacks.  Attackers

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