Monitoring AS-SETs and why they matter
2025-09-26
We will cover some of the reasons why operators need to monitor the AS-SET memberships for their ASN, and now Cloudflare Radar can help. ...
Bringing connections into view: real-time BGP route visibility on Cloudflare Radar
2025-05-21
Real-time BGP route visualization is now available on Cloudflare Radar, providing immediate insights into global Internet routing....
Cloudflare 1.1.1.1 incident on June 27, 2024
2024-07-04
On June 27, 2024, a small number of users globally may have noticed that 1.1.1.1 was unreachable or degraded. The root cause was a mix of BGP (Border Gateway Protocol) hijacking and a route leak...
Cloudflare Radar's new BGP origin hijack detection system
2023-07-28
BGP origin hijacks allow attackers to intercept, monitor, redirect, or drop traffic destined for the victim's networks. We explain how Cloudflare built its BGP hijack detection system, from its design and implementation to its integration on Cloudflare Radar...
Routing information now on Cloudflare Radar
2023-07-27
The Internet is a vast, sprawling collection of networks that connect to each other. The new Cloudflare Radar Routing page monitors routing changes and anomalies and presents statistics about how we see traffic getting routed on the Internet...
How we detect route leaks and our new Cloudflare Radar route leak service
2022-11-23
In this blog post, we will introduce our new system designed to detect route leaks and its integration on Cloudflare Radar and its public API....
Cloudflare’s view of the Rogers Communications outage in Canada
2022-07-08
An outage at one of the largest ISPs in Canada, Rogers Communications, started earlier today, July 8, 2022, and is ongoing (eight hours and counting), and is impacting businesses and consumers....
