Network Operations

The Shape of a BGP Update

Vasco Asturiano

• 14 Feb 2011

• 6 min read

What happens to BGP traffic when an announcement or withdrawal of an address prefix propagates through the Internet? See below some interesting graphs and observations.

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8

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.

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3

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.

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1

The Future of the IPv6 CPE Survey - More Input Needed

Marco Hogewoning

• 24 Jan 2011

• 4 min read

After 3 updates and a lot of progress on IPv6 in general, it is time to think about the next version of the IPv6 CPE survey. With an increased deployment of IPv6, we are seeking a way to make it easier for you to provide feedback and to present the data in a more structured way.

ipv6

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IPv6 CPE Survey - Updated (January 2011)

Mirjam Kühne

• 24 Jan 2011

• 13 min read

Based on new information we received since the last publication, we updated the IPv6 CPE matrix below. Please also note a call for help. We are preparing a detailed survey to gather more user feedback and would like you participate in this survey.

ipv6

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8

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…

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Routing Certification Beacons

Mark Dranse

• 21 Dec 2010

• 2 min read

In January 2011, the RIPE NCC will announce the production launch of the resource certification system. We made some extensions to the BGP beacons which we provide as a part of the Routing Information Service to assist network operators.

routing

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Interesting Graph - How Accurate is the RIPE Routing Registry?

Rene Wilhelm

• 20 Dec 2010

• 5 min read

Last month we published a graph that shows how complete the RIPE Routing Registry really is. How many of the organisations that receive an Autonomous System Number (ASN) from the RIPE NCC use the RIPE Routing Registry to register their route objects. The results were encouraging. But do these route…

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6to4 - How Bad is it Really?

Emile Aben

• 1 Dec 2010

• 6 min read

At the recent RIPE 61 meeting in Rome and at earlier meetings, we heard that connectivity over 6to4 is not very dependable, which hampers IPv6 deployment. I wondered how bad it really is and started measuring it. This article describes what I measured and shows the results. Spoiler: It's pretty bad.

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Returning Unannounced Legacy IPv4 Address Space

Mirjam Kühne

• 17 Nov 2010

• 2 min read

In the early days of the Internet, many organisations received very large amounts of address space. Some of it has not been used and is not visible on the Internet. As the RIPE NCC's pool of available IPv4 address space nears depletion, we are actively encouraging holders of unused unannounced spac…

ipv4

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