Network Operations

Interesting Graphs - Priming Queries to the Root Servers

Emile Aben

• 28 Apr 2010

• 4 min read

There was a slight increase in the number of sources that issue priming queries to DNS root servers seen on 18 March 2010, right after the introduction of a signed .arpa zone. See here an analysis and some graphs.

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Interesting Graph - Decrease in 6to4?

Emile Aben

• 21 Apr 2010

• 1 min read

We have been measuring the number of clients connecting to www.ripe.net over IPv6 and made some interesting observations.

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2

Traffic in Network 1.0.0.0/8

Geoff Huston

• 13 Apr 2010

• 23 min read

1.0.0.0/8 has been assigned by IANA to APNIC on 19 January 2010, for use for as public unicast space for further address allocations and assignments. Before starting to allocate and assign from this range, APNIC has undertaken a study into 1.0.0.0/8.

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Filtering After Recent Chinese "BGP Hijack" Does not Affect RIPE Region

Robert Kisteleki

• 9 Apr 2010

• 1 min read

Related to a thread on the NANOG mailing list about "BGP hijack from 23724 -> 4134 China?", we checked if any of those prefixes originated in the RIPE NCC service region.

routing

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Pollution in 1/8 - A Follow up

Mark Dranse

• 7 Apr 2010

• 3 min read

Following up from measurements done in February 2009 just after 1/8 had been allocated to APNIC, we looked at the data again and made some additional observations.

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Slight Increase in DNS Resolvers Doing Priming Queries after .arpa Signing - Why?

Emile Aben

• 6 Apr 2010

• 4 min read

The roll-out of a signed root-zone at K-root on 24 March 2010 was uneventful. But we saw the number of resolvers doing priming queries increase slightly since 18 March 2010 and wanted to find out why.

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Spam over IPv6

Angel Blazquez

• 30 Mar 2010

• 5 min read

With the increased deployment of IPv6, we were curious to see how much the amount of spam sent over IPv6 increases.

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Measuring IPv6 at Web Clients and Caching Resolvers (Part 3: Methodology)

Emile Aben

• 25 Mar 2010

• 8 min read

In Part 1 and Part 2 of this article we showed various statistics on IPv6 measurements of web clients and caching resolvers. In this part we explain how the measurements were done.

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Measuring IPv6 at Web Clients and Caching Resolvers (Part 2: Country Level and other Statistics)

Emile Aben

• 25 Mar 2010

• 13 min read

In Part 1 of this article we showed some statistics on IPv6 at end-users and at caching DNS resolvers. In this part will dig deeper into the data we collected and show details on mobile device use of IPv6, country- and city-level IPv6 deployment numbers, and AS-level statistics.

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Measuring IPv6 at Web Clients and Caching Resolvers (Part 1)

Emile Aben

• 25 Mar 2010

• 7 min read

It is important to keep an eye on how the IPv6 Internet develops. We wrote a script to measure the IPv4 capability, IPv6 capability and IPv4/IPv6 preference of end-users visiting our site. What is unique about this script is that it allows us also to measure the caching DNS resolver that the end-us…

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