AZURE

Data as of 2026-07-26
Unresolved
Cluster stats
Netblocks6 · 66,448 IPv4 addresses
IPv6 1 prefix (largest 2a01:e900:f0::/48)
Registered in Netherlands (3) · United Kingdom (1) · Greece (1)
All fragments 116 blocks across 20 clusters
Cluster ID214795116
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

5 weekly snapshots · JSON
6 0 netblocks since 2026-07-05
2026-07-05 peak 6 2026-07-26

IP Ranges (6)

⬇ export CSV
CIDR Org name Registry Status Confidence
9.141.0.0/16 azure RIPE ASSIGNED PA ● low
46.29.242.0/24 AZURE RIPE ASSIGNED PA ● low
62.103.40.240/28 AZURE RIPE ASSIGNED PA ● low
185.184.231.128/25 Azure RIPE ASSIGNED PA ● low
194.45.24.0/23 AZURE RIPE ASSIGNED PA ● low
2a01:e900:f0::/48 Azure RIPE ASSIGNED ● low

IPv6 ranges (1)

CIDR
2a01:e900:f0::/48

Domains hosted in this network

what's this?
skype.com europa.eu office.net

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (6 of 6)
Possible discrepancies (4)

These blocks are registered to AZURE 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.

2a01:e900:f0::/48 /48 authorized for AS8075 — Microsoft Corporation
9.141.0.0/16 /16 authorized for AS8075 — Microsoft Corporation
194.45.24.0/23 /23 authorized for AS8075 — Microsoft Corporation
46.29.242.0/24 /24 authorized for AS8075 — Microsoft Corporation

NIC Handles

DUMY-RIPE DUMY-RIPE GEM-UTRECHT-MNT KPN-MNT MICROSOFT-MAINT OTENET-GR-MNT RGN-mnt mnt-nl-247tailorsteel-1