Network Operations

Internet Traffic During the 2012 Olympics

Fergal Cunningham

• 4 Sep 2012

• 10 min read

Following on from the European Championship earlier this year, we looked at changes in Internet traffic volume at Internet Exchange Points (IXPs) during the Olympics. This is a joint project with Euro-IX.

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3

DNS and SSL Certificates in RIPE Atlas UDMs

Vesna Manojlovic

• 28 Aug 2012

• 4 min read

RIPE Atlas has two new types of customised measurements: DNS and SSL certificates, and a new interface for user-defined measurements (UDM).

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RIPE NCC Registration Services "Dry Run" For Last /10 Procedures

Andrea Cima

• 23 Aug 2012

• 2 min read

The RIPE NCC will shortly reach a point where we have approximately one month's worth of IPv4 address space (approximately /10) to distribute before we reach the last /8. Once we reach this point, several adjustments will be made to our standard procedures, so the RIPE NCC decided to do a "dry run"…

ipv4

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World IPv6 Launch - Results from HTTP Measurements

Rene Wilhelm

• 23 Aug 2012

• 6 min read

For World IPv6 Launch the RIPE NCC measured 60 selected participants from over 50 vantage points all over the world. In this article we present the DNS and HTTP measurement results from a 4-day period as a 3 minute movie. We will discuss general observations and look at some specific events.

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RIPE NCC Active Measurements of World IPv6 Launch Dataset

Bert Wijnen

• 27 Jul 2012

• 1 min read

As part of our Data Repository, the RIPE NCC has released a new dataset. This dataset contains DNS lookups (A+AAAA), ping/ping6, traceroute/traceroute6 and HTTP fetches (IPv4/IPv6) from 53 vantage points (TTM, CAIDA Ark and others) to 60 websites involved in World IPv6 Launch. The data covers the p…

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RIPE Atlas - A Case Study of IPv6 /48 Filtering

Emile Aben

• 26 Jul 2012

• 9 min read

In this article I look at four different IPv6 destinations in different BGP set-ups and how these are seen by RIPE Atlas probes. This reveals some differences in reachability for the different networks, likely due to BGP route filtering. We see roughly 1% out of ~500 RIPE Atlas probes that can't re…

ipv6
tools
atlas
routing
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RIPEstat Summer Demo (s2e05)

Vesna Manojlovic

• 25 Jul 2012

• 7 min read

The fifth RIPEstat demo of 2012 gives an overview of the news since the previous episode at the RIPE 64 Meeting in Ljubljana, and announces changes that will happen between now and the next RIPE Meeting, RIPE 65, in Amsterdam.

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World IPv6 Launch - Lasting Effect on Content

Emile Aben

• 23 Jul 2012

• 2 min read

Now that World IPv6 Launch is weeks behind us it's interesting to look at what long-lasting effects it had.

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RIR Prefix Size Distribution in RIPEstat

Vesna Manojlovic

• 20 Jul 2012

• 5 min read

An alternative way of looking at the prefix size distribution in IPv4 and IPv6 blocks is now available in RIPEstat as an interactive widget. Tabular visualisation and cumulative percentage representation can be used for filtering based on minimum allocation size or for general research about the us…

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Measuring IPv6 Connectivity with RIPE Atlas - How Do Others See Your IPv6 Network?

Emile Aben

• 17 Jul 2012

• 10 min read

We've enabled RIPE NCC members to do IPv6-traceroutes from all RIPE Atlas probes to IPv6 destinations. Until now they could get the raw analysis results (text/JSON representations of traceroute results) for analysis. In this article we present a first experimental analysis and visualisation of the …

ipv6
atlas
tools
routing
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