BIVBlog #2: How to run out of IPv6 addresses

Running out of IPv6 addresses is simple: Encode whatever isn’t routing related in your IPv6 addresses and you will soon realize that 16 bytes of space don’t get you all that far.

Table of Contents

00:00:15 Update on BIVBlog #1
00:01:36 How to run out of IPv6 addresses


Peter Lothberg on the new Deutsche Telekom “TeraStream” architecture at RIPE 67 in Athens (Greece), October 14, 2013.

RFC 3177: IAB/IESG Recommendations on IPv6 Address Allocations to Sites, the RFC that originally mandated /48 prefixes for end users.

RFC 6177: IPv6 Address Assignment to End Sites, successor of RFC 3177 which “legalized” the allocation of /56 to end users provided that they don’t actually need a /48.


Long term IPv6 evangelist/book author/trainer/consultant and generic Unix guy (*BSD, Linux, Solaris, and about a dozen more).

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