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Deploying IPv6-first EKS on AWS: What Still Doesn't Work, and What It Saves

Spiro Stathakis

• 14 Aug 2026

• 11 min read

In this field report on IPv6-first Amazon Elastic Kubernetes Service (EKS), the isp6 team shares which dependencies still drag IPv4 back in, what they learnt from /28s, and why the saving is large but not automatic.

Multiple LIR Accounts: Looking Back and Thinking Ahead

Marco Schmidt

• 12 Aug 2026

• 13 min read

Why a feature introduced for a handful of members became one of the RIPE NCC's most complex operational challenges.

Two Providers, a Stubborn Plateau and a Very Long Tail: Email in the Tranco Top-1M

Artem Berezin

• 30 Jul 2026

• 7 min read

Ten years of DNS measurements reveal three trends across the Internet's most popular domains: email continues to consolidate around two providers, DMARC enforcement has hit a plateau, and a surprisingly large long tail of infrastructure defies easy classification.

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What's ARP Got to Do with It?

Remco van Mook

• 23 Jul 2026

• 9 min read

It's only ARP. It works. So how much can it really matter? The answer lies beyond ARP itself, in the IPv4 layer cake that grew around it over four decades. The IPv4 internet is not going away in bounded time, and nobody should pretend otherwise.

ietf
ipv4
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Inside a Shutdown: BGP Evidence from an Operator Who Was There

Md.Kamruzzaman Khan

• 22 Jul 2026

• 17 min read

When Bangladesh vanished from the global routing table in July 2024, public routing data captured the event as it unfolded. Drawing on first-hand observations from inside one affected network, this article explores what that data can and cannot tell us.

Beyond Origin Validation: Four Classes of Routing Attack Nobody Is Validating

Antonio Prado

• 21 Jul 2026

• 8 min read

RPKI has made real progress against prefix hijacking. But when you map every known class of BGP attack against the defences that exist, four of them turn out to sit entirely outside cryptographic validation: handled with local filters, static thresholds and reactive response.

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Who's Running All Those Tiny RPKI Servers?

Ties Dirksen

• 20 Jul 2026

• 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.

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

Remco van Mook

• 13 Jul 2026

• 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.

ipv4
ipv6
ietf
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A pair of birds common in the Vienna region facing each other while sitting on a branch.

Birds of a Feather at IETF 126 Vienna

Greg Wood

• 8 Jul 2026

• 5 min read

The IETF 126 Vienna meeting takes place 18–24 July 2026. As at every IETF meeting, alongside the established Working Groups there will be a handful of Birds-of-a-Feather (BoF) sessions - and these are often the most interesting place to watch where Internet standards work is heading next.

When Internet Traffic Becomes a Physical Event

Flavio Luciani

• 6 Jul 2026

• 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.

events
routing
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