Network Operations

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

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IPv6 CPE Surveys

IPv6 CPE Surveys

Mirjam Kühne

1 min read

Please find below all previous versions of the IPv6 CPE survey and matrix with the most recent version on top.

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4
New Release of the Resource Certification System

New Release of the Resource Certification System

Alex Band

2 min read

We are proud to announce a new release of the RIPE NCC Resource Certification system. We are gearing up for the production release on 1 January 2011 and have implemented some critical changes and new features.

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Visibility of Prefix Lengths in IPv4 and IPv6

Visibility of Prefix Lengths in IPv4 and IPv6

Devin Bayer

6 min read

In this article we explore the relation between global network visibility as seen by the Routing Information Service (RIS) and the length of announced prefixes.

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9
Interesting Graph - IPv4 Unassigned

Interesting Graph - IPv4 Unassigned

Mirjam Kühne

4 min read

With the IPv4 address space nearing its end, we are closely monitoring the number of address not yet assigned or allocated. See below one way of measuring them.

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2
Background Radiation in IPv6

Background Radiation in IPv6

Mirjam Kühne

17 min read

Geoff Huston investigated to what extent the IPv6 Internet is polluted by "background radiation". Find below some interesting results and observations.

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BGP Route Origin Validation - A follow-up

BGP Route Origin Validation - A follow-up

David Murray

2 min read

In July 2010 we looked at the effects of BGP route origin validation on mis-announcements and hijackings. In the meantime, we did some research based on comments and questions received by the community. The findings are described in this follow-up article.

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IPv6 CPE Survey - Updated (September 2010)

IPv6 CPE Survey - Updated (September 2010)

Mirjam Kühne

10 min read

Based on new information we received since the last publication, we updated the IPv6 CPE matrix. See the new version below.

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26
Phase out of Reply-Size Tester

Phase out of Reply-Size Tester

Wolfgang Nagele

1 min read

Back in December 2009 we released a tool with which you can test your DNS resolver for possible issues with a DNSSEC signed root zone. Now that the root zone has been signed in production since 15 July 2010 we will stop this service on Monday, 11 October 2010.

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DNS Clients Do Request DNSSEC Today

DNS Clients Do Request DNSSEC Today

Daniel Karrenberg

3 min read

After the DNS root zone was finally signed and a number of TLDs began signing their zones, we were curious to see how many clients actually request DNSSEC information. First we looked at our server that provides secondary service to several ccTLDs.

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RIPE NCC and Duke University BGP Experiment

RIPE NCC and Duke University BGP Experiment

Erik Romijn

8 min read

On 27 August 2010, the RIPE NCC's Routing Information Service (RIS) was involved in an experiment using optional attributes in the Border Gateway Protocol (BGP). As a result of this experiment, a small, but significant percentage of global Internet traffic was disrupted for a period of about 30 min…

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