Measurements and Statistics

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How to Define Address Space as 'routed' ?

Rene Wilhelm

• 22 Oct 2009

• 6 min read

When can a particular address block considered to be globally routed. The purpose of this document is to come up with a definition of "globally" routed prefixes which can be used in any analysis of RIS data, both recent and historic.

REX and Ukrtelecom

Emile Aben

• 22 Oct 2009

• 3 min read

This articles reports from an analysis where we used REX to find out more information about the IP addresses used by Ukrtelecom after they were identified as a spam source.

APNIC and Day In The Life (DITL)

George Michaelson

• 21 Oct 2009

• 5 min read

This is a report about APNIC participating in the Day In the Life data collection activities organized by OARC and CAIDA.

Lameness: Analysis, Measurement, and Estimation

Shane Kerr

• 15 Oct 2009

• 4 min read

After the RIPE NCC implemented a system that checks for lame DNS servers in the part of the DNS tree the RIPE NCC maintains I was curious to find out how big a problem DNS lameness really is. I wrote a tool and presented it at the DNS WG during RIPE 59 in Lisbon.

Forums and Movies - most popular content during RIPE 59

Mirjam Kühne

• 9 Oct 2009

• 1 min read

If you were looking at the RIPE Labs site this week, you might be interested to know that you were not the only one.

statistics

A Guide to Making Movies

Robert Kisteleki

• 6 Oct 2009

• 3 min read

While walking around the hallways at RIPE59, a couple of people asked me how the movies were made, what tools did I use and such. So here's a short summary on what I did to produce these movies.

ipv4
tools

RIPE NCC NetSense

Mark Dranse

• 1 Oct 2009

• 11 min read

This is an introduction to NetSense, a new intercace that combines a set of known tools like the DNS hostcount, RIS and TTM.

Labs is ready to go!

Robert Kisteleki

• 29 Sep 2009

• 1 min read

We've been busy last week with the last items on our todo list for the launch of Labs!

ripestat

REX - the Resource Explainer

Robert Kisteleki

• 23 Sep 2009

• 4 min read

The current version (v0.1) knows only about IPv4 address space. We went for the most difficult part first. ASNs and IPv6 address space will follow (please note the follow-up articles below describing additional functionality about the Resource Explainer).