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BGP Zombies

BGP Zombies

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Romain Fontugne

8 min read

When withdrawing an IP prefix from the Internet, an origin network sends BGP withdraw messages, which are expected to propagate to all BGP routers that hold an entry for that IP prefix in their routing table. Yet network operators occasionally report issues where routers maintain routes to IP prefi…

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Visibility of IPv4 and IPv6 Prefix Lengths in 2019

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Stephen Strowes

13 min read

In August 2011, we wrote about IPv4 and IPv6 prefix lengths visible in BGP. It's time for an update!

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South East Europe - A Closer Look from the RIPE NCC

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Gergana Petrova

9 min read

The eighth edition of the RIPE NCC's South East Europe Regional Meeting (SEE 8) is just around the corner. What do we know about these countries in terms of membership growth, IPv4 transfer, IPv6 deployment and other statistics? Whether you're a SEE local and would like to get an update or whether …

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BGP Large Communities Uptake - An Update

BGP Large Communities Uptake - An Update

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Emile Aben

4 min read

We were asked by the community to look at the uptake of BGP Large Communities as observed by our Routing Information Service (RIS).

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BGP Communities - A Weapon for the Internet (Part 2)

BGP Communities - A Weapon for the Internet (Part 2)

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Florian Streibelt

7 min read

This is the second of two articles in which we present a new attack vector on the routing infrastructure of the Internet using BGP communities.

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BGP Communities - A Weapon for the Internet (Part 1)

BGP Communities - A Weapon for the Internet (Part 1)

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Florian Streibelt

9 min read

This is the first of two articles in which we present a new attack vector on the routing infrastructure of the Internet using BGP communities.

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menog

MENOG: What Has Changed and Why?

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Hisham Ibrahim

6 min read

The Middle East Network Operators Group (MENOG) Meeting & Peering Forum will be held on 3-4 April 2019 in Beirut, Lebanon. The Forum brings together key Internet players from all over the world, making this event the largest non-commercial, technical, educational and community-oriented activity in …

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Deploying IPv6 at IBM

Deploying IPv6 at IBM

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Andy Mindnich

13 min read

How do you embrace IPv6 in a global enterprise, with tens of thousands of network devices, delivery teams all around the globe and no real shortage of IPv4 space? In this article, I will describe how we introduced IPv6 inside IBM’s own network over the past few years, and look at the challenges we …

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RPKI: The Way Forward - Report on February 2019 RPKI Roundtable

RPKI: The Way Forward - Report on February 2019 RPKI Roundtable

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Job Snijders

3 min read

On Sunday, 17 February 2019, 51 representatives from 37 organisations came together in Cloudflare's San Francisco offices for a roundtable discussion. The aim was to discuss operational aspects of RPKI deployment. RPKI technology is nowadays seen as the best way forward to secure the Internet's rou…

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