Network Operations

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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6

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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1

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 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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Find Abuse Handler Details Using the Abuse Finder

Paul Palse

• 22 Mar 2010

• 4 min read

The RIPE Database contains a lot of useful information about who to contact in case of network abuse or spam. But sometimes it can be difficult to find the right abuse handler information for a network resource in the RIPE Database. We developed an Abuse Finder tool that will make it easier.

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10

A Look at DNS Priming Queries to K-root

Emile Aben

• 12 Mar 2010

• 8 min read

In this article we take a look at DNS priming queries arriving during the deployment of a DNSSEC signed zone at the DNS root servers. We are specifically looking for potential problems as a result of this deployment.

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IPv4 Address Allocation Rates

Robert Kisteleki

• 4 Mar 2010

• 5 min read

On 30 January 2010 the RIR system reached a small milestone: on this day APNIC has surpassed the RIPE NCC in terms of total allocated/assigned IPv4 address space, as seen in the RIR stats files. On this occasion we decided to look a bit into how IPv4 allocation/assignment rates changed over the las…

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1

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