Network Operations

Networks with IPv6 - One Year Later

Mirjam Kühne

• 5 Mar 2012

• 5 min read

One year after we released the interactive graph to show the percentage of ASes announcing IPv6 prefixes, we looked at the progress made since then.

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Resource Certification (RPKI) Data Quality and Usage

Alex Band

• 23 Feb 2012

• 3 min read

The amount of members requesting a Resource Certificate is steadily climbing, soon reaching 900. What is even more impressive is the amount of routing information these LIRs have entered in the system by creating Route Origin Authorisations (ROAs). But what is the quality of the data and is it used…

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Connectivity to the K-Root Instance in Delhi

Emile Aben

• 20 Feb 2012

• 3 min read

As a follow-up to the previous article and prompted by a question in the mailing list, we looked into connectivity of one particular instance of K-root: the one located in Delhi. India.

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VisualK – Monitoring K-root in Near Real Time

Claudio Squarcella

• 17 Feb 2012

• 6 min read

VisualK is a new tool that allows to visualise the evolution of the service provided by the K-root name server. It can be used to monitor the status of K-root in near real-time.

dns
tools

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IPv4 Address Space Growth per Country

Emile Aben

• 6 Feb 2012

• 5 min read

With the depletion of the IPv4 free pool in the APNIC region and the imminent IPv4 free pool run out in the RIPE NCC's service region, it is interesting to look at IPv4 allocation rates per country to see where free pool run out has and will have the most consequences, in terms of curtailing growth…

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IPv4 Allocation Statistics for 2011

Mirjam Kühne

• 3 Feb 2012

• 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

Thomas Mangin

• 2 Feb 2012

• 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

Daniel Karrenberg

• 22 Dec 2011

• 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.