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Network Operations

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tiny rpki servers

Who's Running All Those Tiny RPKI Servers?

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Ties Dirksen

18 min read

Who runs the hidden infrastructure behind secure Internet routing? An internship report from SIDN Labs looks beyond the RIRs at the independently operated RPKI publication servers helping to secure BGP.

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sealions arping

A Farewell to ARPs: IPv4 Service on IPv6-Only Networks

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Remco van Mook

9 min read

IPv6-only networks often still depend on IPv4 subnets and ARP. This article introduces an IETF proposal to eliminate both, allowing IPv4 to operate as a service over IPv6-only infrastructure without translation or tunnelling.

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internet physical traffic

When Internet Traffic Becomes a Physical Event

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Flavio Luciani

8 min read

Why do live sports, ticket sales, and public service launches sometimes resemble DDoS attacks? This article explores how synchronised user behaviour turns Internet traffic into a physical phenomenon that places real pressure on network infrastructure.

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NCC Days Baltics Group Photo

RIPE NCC Days Baltics: Insights into Regional Resilience

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Kjerstin Burdiek

14 min read

On 3-4 June 2026, we convened in Riga, Latvia for RIPE NCC Days Baltics. 76 participants from nine countries participated in sessions covering important topics in network operations, with a special focus on resilience for a region that has seen repeated network disruptions in recent years.

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RAVEN

ASPA Is Live. Can You See It Working?

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Ritesh Mukherjee

9 min read

ASPA objects can be registered today with ARIN and RIPE NCC. Validators support RTR v2. But if you're an operator, can you actually see what ASPA is doing - or would do - on your network? We built a tool to find out.

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ai-security

How Do We Manage Vulnerabilities in the Age of AI?

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Kathleen Moriarty

5 min read

AI-assisted development is changing more than how software is written. It might also force us to reconsider the processes we use to identify, track, and manage vulnerabilities.

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discovery of v6 cover

Discovery of IPv6 Router Addresses Using Subnet-Router Anycast

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Maynard Koch

9 min read

Brute-force IPv6 scanning doesn't scale, and ICMPv6 rate limiting can undermine topology measurements. Maynard Koch and colleagues show how Subnet-Router Anycast (SRA) probing discovers more router addresses, delivers more stable results, and expands the IPv6 measurement toolbox.

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bugs

What We Learned from a Multi-Service Vulnerability Disclosure

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Eleonora Petridou

8 min read

A series of vulnerabilities reported through the RIPE NCC bug bounty programme revealed weaknesses across multiple services and highlighted the risks posed by vulnerability chains. We look at how the issues were addressed, and what the disclosure taught us about handling complex security reports th…

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vulnerability

1000 Third Parties Could Have Stolen RIPE NCC Session Tokens - By Design

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Sasha Romijn

10 min read

In this guest post, Sasha Romijn details how the scope of a single authentication cookie created a potential path to full account compromise across RIPE NCC services.

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digital sovereignty

Sustaining the Commons in an Age of Digital Sovereignty

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Hisham Ibrahim

12 min read

Digital sovereignty raises legitimate questions about dependency, resilience and control. It can strengthen the Internet when it builds capacity and meaningful choice. It becomes risky when it is pursued as control over the common layer that keeps the global Internet interoperable.

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