Measurements and Statistics

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New RIPE NCC Address Statistics Reports

Mirjam Kühne

• 8 Feb 2011

• 2 min read

How do we know which addresses are still unallocated or unassigned? Find below a proposal to include unallocated address space in the statistics files the Regional Internet Registries publish daily.

statistics

Visualizing the Egyptian Disconnection

Richard Barnes

• 30 Jan 2011

• 3 min read

In the routing graphs produced by the RIPE REX tool, we can get a different visualization of Egyptian networks falling off of the Internet, and observe some interesting phenomena.

Live Egyptian Internet Incident Analysis

Devin Bayer

• 28 Jan 2011

• 1 min read

We have been using the prototype RIPEstat toolbox to analyse what happened to the Internet in Egypt.

RIPEstat Live Demo #1

Mirjam Kühne

• 25 Jan 2011

• 5 min read

This article summarises the first RIPEstat demo session that took place today, 25th January 2011. At the end of the article are the dates of the next demos, and options for providing feedback.

RIPEstat: The RIPE NCC Information Toolbox

Daniel Karrenberg

• 20 Jan 2011

• 3 min read

The RIPE NCC is working on a toolbox, called RIPEstat, that will make it easier to access the various datasets maintained by the RIPE NCC. This toolbox will be developed in close cooperation with the community. There will be public demo sessions as described in this article.

Public RIPEstat Demo Session Etiquette

Mirjam Kühne

• 20 Jan 2011

• 2 min read

When joining the monthly public RIPEstat demo sessions, please note the following points of etiquette. This will make communication via webex easier for all participants.

RIPE Atlas - the iPad Drawing

Emile Aben

• 14 Jan 2011

• 4 min read

This article is about the lottery of an iPad for people hosting RIPE Atlas probes. As an extra motivator for people to keep their probes up as much as possible, the lottery drawing is weighted based on probe-uptime.

atlas

GRS Sources and the RIPE Database API

Paul Palse

• 11 Jan 2011

• 7 min read

A while ago we announced the new Global Resource Service (GRS) for the RIPE Database. It allows you to query other Regional Internet Registry (RIR) databases and Routing Registry data using the RIPE Database interface. In this article we describe this service some more and show some examples.

RIPE NCC Hostcount

Mark Dranse

• 4 Jan 2011

• 4 min read

For 20 years, the RIPE NCC counted the number of hosts in its service region. The Internet has grown dramatically since then and there are various ways to measure that growth. The article below describes the history of the Hostcount, the challenges we faced over the years and the reasons why we int…

ASN Ranking Correlations Between Spam Blocklists

John S. Quarterman

• 23 Dec 2010

• 22 min read

Comparing ASN rankings by spam volume from two different data sources, CBL and PSBL (with a side trip to the University of Texas Computer Science Department), indicates there is enough correlation to have confidence in the rankings.

measurements

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