Network Operations

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

All Tags

All articles

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.

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…

Preparing for Use of 32-bit ASN in a Production Network

Sjoerd Oostdijck

• 2 Mar 2010

• 2 min read

We were assigned a 32-bit Autonomous System Number from IANA to deploy a new DNS cluster with a different routing policy.

dns
policy
routing
+1
+1

DNSSEC Key Roll-over Pitfalls

Mirjam Kühne

• 19 Feb 2010

• 2 min read

A few weeks ago the RIPE NCC was alerted to a rapid increase in DNSKEY queries for its signed reverse DNS zones. We did some investigations. Read about the results in this article.

dns
security

Members and Their Number Resources

Daniel Karrenberg

• 17 Feb 2010

• 2 min read

In the previous article we looked at membership growth over the years. In this article we will see how RIPE NCC Internet number resources are distributed among the membership, as of 1 January 2010.

Measuring DNS Transfer Sizes - First Results

Daniel Karrenberg

• 4 Feb 2010

• 9 min read

Here are the first results of our DNS transfer size measurements. We are interested to determine any possible problems for users of K-root once it starts giving DNSSEC responses to resolvers that request them. DNSSEC responses are significantly larger than current responses. We are interested to le…

Pollution in 1/8

Franz Schwarzinger

• 3 Feb 2010

• 7 min read

The recent allocation of the 1.0.0.0/8 and 27.0.0.0/8 not only triggered a lot of media attention due to IPv4 exhaustion exceeding the 90% mark, it also sparked the curiosity of many technical folks.