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The 50 most network-dense data centers on Earth

A handful of buildings concentrate a disproportionate share of the global internet’s peering — places where ISPs, content providers, and enterprises terminate their fiber and exchange traffic directly. Ranked by PeeringDB network count, the top 50 host 13,991 network presences across 20 countries.

#1 is Datacenter APJII-Cyber with 699 networks present — a single building reached by more peering networks than most countries.

Country concentration in the top 50

🇺🇸United States12🇮🇩Indonesia4🇳🇱Netherlands4🇧🇷Brazil3🇵🇱Poland3🇭🇰Hong Kong SAR China3🇩🇪Germany2🇸🇬Singapore2🇿🇦South Africa2🇫🇷France2🇬🇧United Kingdom2🇮🇳India2🇦🇺Australia2🇷🇺Russia1🇮🇹Italy1🇪🇸Spain1🇦🇹Austria1🇧🇬Bulgaria1🇺🇦Ukraine1🇦🇷Argentina1

The list

Network counts come from PeeringDB — the authoritative directory for interconnect-relevant presence. Hyperscaler-owned buildings and enterprise data centers don’t appear here because they don’t publish peering presence; their traffic is largely internal.

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