Traffic trends
Bytes transferred over the selected time period
Learn more...Notify me of traffic anomalies or Internet outages for AS209View in Data ExplorerProtocols
Share of bytes
AS209
- Name
- CENTURYLINK-US-LEGACY-QWEST
- AKA
- Centurylink
- Country
- United States
- Website
- http://www.lumen.com
- Estimated population
- 4.23M users
Security & Attacks
Insight into network and application layer attack traffic
Layer 7 Attacks
Top Mitigation Techniques
Learn more...Adoption & Usage
Insight into adoption and usage of key protocols
Internet Protocol versions
IPv4 vs. IPv6
Learn more...HTTP versions
HTTP/1.x vs. HTTP/2 vs. HTTP/3
Learn more...Top Browsers & User Agents
Distribution of requests to Cloudflare by user agent
Learn more...BGP Announcements
BGP Route LeaksBeta
Recent BGP route leaks originated by or affecting AS209
Learn more...Notify me of BGP route leaks for AS209BGP Origin HijacksBeta
Recent potential BGP hijack events originated by or affecting AS209
Learn more...Notify me of BGP hijacks for AS209Latest BGP blog postsblog.cloudflare.com
Posts tagged with "BGP" from the Cloudflare blog
Making progress on routing security: the new White House roadmap
On September 3, 2024, the White House published a report on Internet routing security. We’ll talk about what that means and how you can help.
Mike Conlow, Emily Music, Tom Strickx
The backbone behind Cloudflare’s Connectivity Cloud
Read through the latest milestones and expansions of Cloudflare's global backbone and how it supports our Connectivity Cloud and our services
Shozo Moritz Takaya, Bryton Herdes
Exam-ining recent Internet shutdowns in Syria, Iraq, and Algeria
Similar to actions taken over the last several years, governments in Syria, Iraq, and Algeria have again disrupted Internet connectivity nationwide in an attempt to prevent cheating on exams. We investigate how these disruptions were implemented, and their impact
David Belson