DUKE UNIVERSITY

Duke University
Data as of 2026-08-09
GLEIF verified
LEI
FY5ICUIRRDCHN4HHL592
Registered name
DUKE UNIVERSITY
Jurisdiction
US-NC
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks7 · 151,808 IPv4 addresses
IPv6 2 prefixes (largest 2620:0:690::/47)
Cluster ID218142624
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 · report an issue

Footprint over time

7 weekly snapshots · JSON
10 +3 netblocks since 2026-07-05
2026-07-05 peak 10 2026-08-09

IP Ranges (7)

⬇ 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 ARIN DIRECT ALLOCATION ● high
152.16.0.0/16 Duke University ARIN ASSIGNMENT ● 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

IPv6 ranges (2)

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

Domains hosted in this network

what's this?
duke.edu trln.org dukemychart.org

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