Network Operations

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REX Usage Report

Robert Kisteleki

• 28 Oct 2009

• 3 min read

After the Resource Explainer REX has been available for four weeks, we looked at the usage statistics collected by the tool to get a better ide how useful this tool could be for the wider community.

APNIC DITLD Looking at Other Regions

George Michaelson

• 27 Oct 2009

• 1 min read

Related to the earlier article 'APNIC and Day In The Life (DITL)' , please find here a link to a number of animations showing more DITL data for APNIC focusing on other countries.

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.

The Challenge of IP Addressing and the 2009 Nobel Prize

Tom Vest

• 16 Oct 2009

• 4 min read

This essay compares the analysis of economic governance done by Nobel Prize winners Dr. Elinor Ostrom and Dr. Oliver Williamson with the Internet addressing and routing system.

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.

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.

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).

dns
ipv4
ipv6
tools
database
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