Hacker News with Generative AI: BGP

BGP handling bug causes widespread internet routing instability (benjojo.co.uk)
At 7AM (UTC) on Wednesday May 20th 2025 a BGP message was propagated that triggered surprising (to many) behaviours with two major BGP implementations that are often used for carrying internet traffic.
Internet, Networking, Security, BGP
336 points by robin_reala 31 days ago | 160 comments
DDoS Mitigation Leak (kentik.com)
In this edition of Beyond Their Intended Scope, we take a look at last week’s BGP leak by a DDoS mitigation company which impacted networks around the world. We look at the impacts in both BGP and traffic data, and discuss how RFC 9234’s “Only to Customer” BGP Path Attribute could have helped.
Cybersecurity, Networking, BGP, DDoS, Internet
50 points by oavioklein 80 days ago | 1 comments
Show HN: Setting Up and Peering in the DN42 BGP Network Using a MikroTik Router (0xmm.in)
As a network engineer, I’ve always dreamed of announcing my own BGP routes and peering with others. I wanted the experience of running a decentralized BGP network not just in a lab environment, but in a real, persistent setup that could run indefinitely.
Networking, BGP, MikroTik, Router, Open Source
8 points by melson 114 days ago | 0 comments
How to BGP from your basement and other tales (osservatorionessuno.org)
As previously announced, we are now officially AS214094. Additionally, we have obtained the IPv6 PI subnet 2001:67c:e28::/48 and acquired the IPv4 subnet 64.190.76.0/24 through a transfer from ARIN.
Networking, BGP
5 points by boroaldo 191 days ago | 0 comments
A Brief History of the Internet's Biggest BGP Incidents (2023) (kentik.com)
Stretching back to the AS7007 leak of 1997, this comprehensive blog post covers the most notable and significant BGP incidents in the history of the internet, from traffic-disrupting BGP leaks to crypto-stealing BGP hijacks.
Internet History, BGP, Network Security
5 points by belter 214 days ago | 0 comments
A Day in the Life: The Global BGP Table (foletta.org)
Much has been written and a lot of analysis performed on the global BGP table over the years, a significant portion by the inimitable Geoff Huston. However this often focuses on is long term trends, like the growth of the routing table or the adoption of IPv6 , dealing with time frames of of months or years.
Networking, BGP, Internet, Data Analysis, Trends
261 points by gjf 215 days ago | 28 comments
Recent BGP leak that redirected internet traffic through Russia (kentik.com)
Welcome to a new blog series entitled Beyond Their Intended Scope which intends to shed some light on BGP mishaps that may have escaped the attention of the community but are worthy of analysis.
Security, Networking, BGP, Russia, Internet
57 points by vladyslavfox 241 days ago | 18 comments
An Introduction to BGP from the operator of a small AS (quantum5.ca)
Border Gateway Protocol (often abbreviated BGP) is a critical protocol that makes the modern Internet possible, yet remains one of its most poorly understood parts even among its long-time users. At the same time, it has played a significant role in several high-profile outages on the Internet.
Networking, Internet, BGP, Security
60 points by rsecora 246 days ago | 3 comments
A survey of approaches to securing BGP and inter-domain routing (potaroo.net)
Security, Networking, BGP, Routing
8 points by fanf2 313 days ago | 0 comments
Crafting endless AS paths in BGP (bernat.ch)
Networking, BGP, Security, Routing
47 points by JNRowe 333 days ago | 13 comments
Comparing open source BGP stacks (2021) (elegantnetwork.github.io)
Networking, Open Source, BGP
7 points by fanf2 351 days ago | 2 comments
Is regulated BGP security coming? (apnic.net)
Networking, Security, BGP
123 points by superkuh 397 days ago | 116 comments