AS13371 Duke University

DUKE-INTERCHANGE - Duke University · registered in the United States

IPv4 addresses151,8085 prefixes · 0.005% of announced IPv4

Rank in United States#404largest network in US by IPv4 space, of 18,338 · 0.01% of US

Rank worldwide#1,314of 79,396 networks with IPv4

IPv63 x /482 prefixes

CountryUnited States18,679 ASNs registered there

Open AS13371 in ASN lookup Look up an IP in this network (67.159.64.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

67.159.64.0/18
152.3.0.0/16
152.16.0.0/16
152.22.224.0/20
198.86.29.0/24

IPv6 prefixes

All 2 prefixes.

2600:2704:100::/48
2620:0:690::/47

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AS26658#405 HENGTONG-IDC-LLC - HT151,808

AS20454#406 SSASN2 - SECURED SERVERS LLC151,744

AS40021#407 CONTABO-40021 - Contabo Inc.151,552

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources