DUO
Duo N.V.
LEI
875500HOQFYVKF39XR19
Registered name
DUO
Jurisdiction
BE
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks13
All fragments 33 blocks across 15 clusters
Cluster ID191683564
RegistryAPNIC
Owner jurisdictionBE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Legal identityLEI 875500HOQFYVKF39XR19
Shared handles clustered on 20 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
13 0 netblocks since 2026-07-05
2026-07-05 peak 13 2026-07-06

IP Ranges (13)

⬇ export CSV
CIDR Org name Registry Status Confidence
51.68.162.84/30 Duo DNS RIPE LEGACY ● high
51.89.33.88/30 Duo DNS RIPE LEGACY ● high
64.250.64.0/20 Duo Broadband ARIN ● high
193.109.228.0/24 Duo N.V. RIPE ASSIGNED PI ● high
193.200.29.0/24 Duo N.V. RIPE ASSIGNED PI ● high
80.113.65.152/29 DUO_GTV RIPE ASSIGNED PA ● low
80.113.69.160/27 DUO_GTV RIPE ASSIGNED PA ● low
89.171.85.216/29 DUO-TES RIPE ASSIGNED PA ● low
212.244.65.120/29 DUO-TES RIPE ASSIGNED PA ● low
213.216.109.0/29 DUO-TES RIPE ASSIGNED PA ● low
218.247.227.0 – 218.247.227.95 DUO-YI APNIC ASSIGNED NON-PORTABLE ● low
2001:41f0:d055::/48 DUO_GTV RIPE ASSIGNED ● low
2001:41f0:d06d::/48 DUO_GTV RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: B how networks compare →
92.3% of checked blocks have valid RPKI ROA coverage (12 of 13)
Possible discrepancies (4)

These blocks are registered to Duo N.V. but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:41f0:d06d::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
2001:41f0:d055::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
193.109.228.0/24 /24 authorized for AS34762 — Combell NV
193.200.29.0/24 /24 authorized for AS59943 — Level 27 BVBA

NIC Handles

COMBELL-MNT DCTC1-ARIN DCTC1-ARIN DCTC1-ARIN DCTC1-ARIN DUMY-RIPE DUMY-RIPE DUO-NET-MNT DUOCO MAINT-CNNIC-AP MNT-BELEVEL27 NETIA-MNT +8 more