Network Operations

Tags: dns routing security rpki ipv4 ipv6 transfers bgp peering internet infrastructure ntp

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Unsolicited Internet Traffic from Libya

Unsolicited Internet Traffic from Libya

Emile Aben

7 min read

Amidst the recent political unrest in the Middle East, researchers have observed significant changes in Internet traffic and connectivity. In this article we tap into a previously unused source of data: unsolicited Internet traffic arriving from Libya. The traffic data we captured shows distinct c…

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6to4 - Why is it so Bad?

6to4 - Why is it so Bad?

Emile Aben

8 min read

In a previous article we measured that a large percentage of 6to4 connections fail. In this article we show our attempts to find out why these connections fail.

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Ensuring Registry Data Quality

Ensuring Registry Data Quality

Xavier Le Bris

6 min read

In order to ensure accurate and up to date registration data, the RIPE NCC started the Registry Data Quality project in 2009. The article below describes this activity and the problems we found and how we fixed them.

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Network Complexity and How to Deal with it

Network Complexity and How to Deal with it

Michael Behringer

5 min read

This article, prompted by a panel discussion at the RIPE 61 Meeting, describes the most significant implications of network complexity and suggests ways to deal with it. This is a topic that requires more work and a lot of input from network operators. We hope you’ll work with us to advance this su…

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First Impressions of Pollution in Two RIPE NCC Darknets

First Impressions of Pollution in Two RIPE NCC Darknets

Manish Karir

9 min read

We partnered with several Regional Internet Registries (RIRs), including the RIPE NCC, to examine what traffic is going to unallocated IP address ranges. In this particular case, we looked at traffic going to 5/8 and 37/8.

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Three Case Studies on the Egyptian Disconnection

Three Case Studies on the Egyptian Disconnection

Claudio Squarcella

5 min read

Roma Tre University presents three analyses related to the recent events in Egypt, proving interesting behavior in relation to the observed disconnection. We use tools like BGPlay and iBGPlay, developed for the visualisation of BGP dynamics.

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The Future of the IPv6 CPE Survey - More Input Needed

The Future of the IPv6 CPE Survey - More Input Needed

Marco Hogewoning

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.

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