Network Operations

How Pingable are the Pingables?

Rene Wilhelm

• 5 Apr 2016

• 15 min read

In February 2011 the RIPE NCC implemented the "pingable:" and "ping-hdl:" attributes in the RIPE Database. These attributes were added to the Routing Policy Specification Language by RFC 5943 to allow networks to advertise IP addresses that are reachable and can be used as a target for diagnostic…

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RIPE Atlas Update: DNSMON Code Available, LatencyMON Comparisons, New Credit Sharing and More

Suzanne Taylor

• 30 Mar 2016

• 4 min read

In the past few months, we've added some new features and functionality to RIPE Atlas, including making the DNSMON code available on GitHub for personal use, displaying IPv4 vs IPv6 comparisons in LatencyMON, new credit sharing options, and new limits on probes per measurement and results per day.…

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Tools to Detect Routing Anomalies

Guillaume Valadon

• 29 Mar 2016

• 6 min read

Here's how we developed a methodology and open source tools to make it easier to detect route prefix hijacks.

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Support for Elliptic Curve Cryptography (ECC) in DNS Resolvers as Seen by RIPE Atlas

Maciej Andzinski

• 21 Mar 2016

• 6 min read

The Elliptic Curve Cryptography (ECC) is becoming increasingly popular in DNSSEC. While it is sometimes considered to be a remedy for the low DNSSEC adoption rate, there is also a lot of controversy around it. One of the main concerns is that DNSSEC-validating resolvers don't always make use of ECC…

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Taking a Closer Look at the Last /8

Marco Schmidt

• 10 Mar 2016

• 4 min read

We’ve updated our IPv4 graph to tell the whole story about our remaining address pool.

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10,000 LIRs with IPv6 Resources

Nathalie Trenaman

• 29 Feb 2016

• 6 min read

This week, the RIPE NCC saw a milestone as the 10,000th Local Internet Registry (LIR) received IPv6 addresses. The first block of IPv6 addresses was allocated from IANA to the RIPE NCC in 1999, so we have been distributing IPv6 addresses for 17 years. In those years we have seen interesting poli…

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On the Internet, Everyone is Connected to Everyone Else. Right?

Geoff Huston

• 22 Feb 2016

• 10 min read

We tend to make a number of assumptions about the Internet, and sometimes these assumptions don’t always stand up to critical analysis. We were perhaps ‘trained’ by the claims of the telephone service to believe that these communications networks supported a model of universal connectivity. Any tel…

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A Tale of Using Public DNS Servers in Iran — Part 3

Babak Farrokhi

• 16 Feb 2016

• 8 min read

Following my research on DNS reachability and performance, I found interesting results for specific domain names.

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RIPE NCC Members and Multiple LIR Accounts

Laura Cobley

• 11 Feb 2016

• 7 min read

The RIPE NCC membership has raised concerns regarding members setting up additional Local Internet Registry (LIR) accounts. The RIPE NCC Executive Board is now asking the RIPE NCC membership to discuss this. The article below provides some background information, data and statistics for the discuss…

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A Tale of Using Public DNS Servers in Iran — Part 1

A Tale of Using Public DNS Servers in Iran — Part 2

Babak Farrokhi

• 8 Feb 2016

• 8 min read

This is the second part in a series of articles looking at the use of DNS servers in Iran. For the second part I will continue measuring performance and reachability for two more sets of DNS resolvers: TIC and Verisign.

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