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Tier 1 Analysis
Intro
The Problems with Network Tiers
What’s The Network Tiering System and What’s Wrong With It?
What’s Wrong With The Tier 1 Definition
Tier 1 ASNs
ASNs of Interest
Getting and Processing the Data
Data Source Problems
Getting The Data
Processing The Data
Reports
2025 Report
2025 DFZ Diagrams
Reports
Table of contents
2025 Report
2025 DFZ Diagrams