DUKE UNIVERSITY

Duke University
GLEIF verified
LEI
FY5ICUIRRDCHN4HHL592
Registered name
DUKE UNIVERSITY
Jurisdiction
US-NC
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks10 · 299,256 IPv4 addresses
Cluster ID214376600
RegistryBGP
Owner jurisdictionUS-NC
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI FY5ICUIRRDCHN4HHL592
Shared handles clustered on 7 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

6 weekly snapshots · JSON
10 +3 netblocks since 2026-07-05
2026-07-05 peak 10 2026-07-26

IP Ranges (10)

⬇ export CSV
CIDR Org name Registry Status Confidence
67.159.64.0/18 Duke University BGP ANNOUNCED ● high
152.3.0.0/16 Duke University BGP ANNOUNCED ● high
152.16.0.0/16 Duke University BGP ANNOUNCED ● high
152.22.224.0/20 Duke University BGP ANNOUNCED ● high
198.86.29.0/24 Duke University BGP ANNOUNCED ● high
2600:2704:100::/48 Duke University BGP ANNOUNCED ● high
2620:0:690::/47 Duke University BGP ANNOUNCED ● high
67.159.64.0/18 Duke University ARIN DIRECT ALLOCATION ● low
152.3.0.0/16 Duke University ARIN DIRECT ALLOCATION ● low
152.16.0.0/16 Duke University ARIN ASSIGNMENT ● low

Domains hosted in this network

what's this?
duke.edu

Network trust

what's this?
RPKI hygiene: C how networks compare →
50.0% of checked blocks have valid RPKI ROA coverage (5 of 10)
Possible discrepancies (2)

These blocks are registered to Duke University but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

152.16.0.0/16 /16 authorized for AS81 — MCNC
152.16.0.0/16 /16 authorized for AS81 — MCNC

NIC Handles

AS13371 DISO-ARIN DUH2-ARIN DUH2-ARIN DUH2-ARIN DUH2-ARIN DUKEUN