[Podcast] How many DNS nameservers is enough?
Geoff Huston examines the number of nameservers assigned to domains and the potentially inefficient methods used to select which one is queried.
View ArticleLet’s Encrypt scales rate limits to prepare for a billion active certificates
Guest Post: Let's Encrypt have evolved rate limits to better serve subscribers and keep the service healthy.
View ArticlePSA: Traceroute — safe and effective to use
Guest Post: Public Service Announcement about the traceroute tool used by network engineers.
View ArticleJoin the first Pulse Internet Measurement Forum at APRICOT 2025
Guest Post: Gain insights into the Internet Society's Internet measurement and resilience project and learn how to leverage the data at APRICOT 2025.
View ArticlePreparing for Encrypted Client Hello (ECH)
Guest Post: How we defend our systems has shifted. Here's what organizations and schools need to know.
View ArticleBuilding a secure test environment for an IXP
Guest Post: How to build a quarantine VLAN for enhanced reliability.
View ArticleNetwork automation and AI at NANOG 93
Integrating network command and control automation with AI management tools.
View Article[Podcast] RPKIViews: The archive of RPKI states
Job Snijders discusses his global RPKI validation archive, and the annual 'state of RPKI' report he produces.
View ArticleSo you want to build your own data centre
Guest post: How to build your own physical cage co-located infrastructure.
View ArticleMeasuring DNS root servers under change
Guest Post: Root server co-location is prevalent but mostly low, with ∼70% of vantage points observing co-location of at least two servers globally.
View ArticleNotes from OARC 44
DNS traceroute, virtual vs bare metal servers, packet sizes, and more from OARC 44.
View Article[Podcast] Night of the BGP zombies
Geoff discusses BGP 'zombie' routes — routes that should have been withdrawn but persist in the routing system. He explores how these anomalies might occur and what can be done to address them.
View ArticleBuilding a host telemetry solution using Tailscale
Guest Post: How to collect and analyse host flow data for network traffic insights.
View ArticleRouteViews Peering Policy updated
Guest Post: RouteViews has updated its Peering Policy. Here's what it means.
View ArticleThe root of the DNS
Opinion — How is the root zone service ensuring capacity growth to meet rising query rates?
View ArticleAPNIC Academy IPv6 certification in 2025
APNIC Academy IPv6 certification is heading to Bangladesh and Thailand in 2025.
View Article[Podcast] Pulse Internet Measurement Forum at APRICOT 2025: Part 1
Five short interviews with presenters from the recent PIMF session at APRICOT 2025 in Petaling Jaya.
View ArticleA load of old…
Is quantum computing and post-quantum cryptography really that big of a deal?
View ArticlePeeringDB to require MFA and API keys
Guest Post: PeeringDB will require Two-Factor Authentication from 1 July 2025.
View ArticleIs your network protected? The rov-check project by JPNIC
Guest Post: JPNIC has developed a simple tool that provides a quick and reliable way to verify ROV deployments.
View ArticleBridging connectivity and collaboration gaps in Bangladesh
With rapid progress in infrastructure, Bangladesh is building more resilience through community-driven initiatives and strategic investments.
View ArticleAutomating ISP networks with Ansible and phpIPAM
Guest Post: How ISPs can leverage IP Address Management (IPAM) systems as a Source of Truth (SoT) for automation workflows driven by Ansible.
View ArticleNetwork traffic telemetry on modern routers: Part 1
Guest Post: How to implement various network traffic telemetry protocols and handle them in code.
View ArticleNetwork traffic telemetry on modern routers: Part 2
Guest Post: The next generation of network monitoring: sFlow v5, Sampled Port Mirroring, GRE Tunneling, and Inline Monitoring with IPFIX/NetFlow v9.
View ArticleExploring Internet connectivity between Mongolia and Kazakhstan
A practical analysis of cross-border network performance using free tools.
View ArticleIPv6 penetration in Nepal
Guest Post: The current status, progress, challenges, and future outlook of IPv6 in Nepal.
View Article