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IPv4 Allocation Statistics for 2011

IPv4 Allocation Statistics for 2011

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Mirjam Kühne

4 min read

2011 was an interesting year for IPv4. But did we see a big run on the remaining IPv4 address space? See some statistics and analysis below.

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ExaBGP - From BGP Route Injector to BGP Engine

ExaBGP - From BGP Route Injector to BGP Engine

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Thomas Mangin

3 min read

ExaBGP is an application providing engineers with a way to control BGP from servers. The program allows the injection, and reception, of arbitrary routes into a network, including IPv6 and FlowSpec. It is designed to be flexible and give its users the flexibility a normal BGP router cannot.

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RIPE Atlas & Anycast Instance Switches

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Daniel Karrenberg

6 min read

RIPE Atlas can now test packet flows from more than 1000 vantage points on the Internet. We took a quick look at anycast traffic to DNS root name servers. There is a lot of interesting signal in this data.

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One Day in the Life of RPKI

One Day in the Life of RPKI

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Matthias Wählisch

6 min read

In this article, we report about a one-day measurement of the RPKI and BGP infrastructure.

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128.0.0.0/16 As Seen by RIPE Atlas

128.0.0.0/16 As Seen by RIPE Atlas

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Daniel Karrenberg

4 min read

RIPE Atlas provides a view of 128.0.0.0/16 from the data plane. Can packets actually get there and back? Please find the results in this article.

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The Curious Case of 128.0/16

The Curious Case of 128.0/16

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Emile Aben

5 min read

The prefix 128.0/16 is filtered in Juniper devices up to and including JUNOS software version 11.1. We looked at three ways to get a rough estimate on how much filtering of 128.0/16 is going on on the Internet.

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RPKI Capable Routers

RPKI Capable Routers

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Florian Hibler

2 min read

During RIPE 63 in Vienna, a few of us got together and started downloading, compiling and configuring the RPKI daemon. I now set up two routers which I made publicly available. The details are described in this article.

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Dual Stack Esotropia

Dual Stack Esotropia

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Geoff Huston

54 min read

The introduction of a second IP protocol into the Internet presents many technical issues, and in previous columns we've explored many of the issues related to network engineering and infrastructure. In this column I'd like to head upward in the protocol stack to the rarefied air way up there at th…

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Interesting Graph - IPv6 per LIR

Interesting Graph - IPv6 per LIR

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Emile Aben

5 min read

Often when looking at IPv6 deployment statistics, the size of the organisation or the network is not taken into account. In this article, we look at IPv6 deployment of Local Internet Registries (LIRs) per country in correlation with the size of the LIR.

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