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Data as of Nov 5, 2026

216.83.54.0/23

No anonymizer space · no proxy exits in 30 days

Microsoft Corporation · space held by Ethr.Net LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS8075
Type
Hosting
Risk
50 / 100 · Medium
IPv4 market

Path

1 · Holder
Ethr.Net LLC
record created Nov 3, 2006 · reallocated to Internet Utilities NA LLC Feb 14, 2025
2 · Leased from
IPXO
for its owner EGIHosting
3 · Announced by
AS8075 Microsoft Corporation
since Oct 2025 · 13 mo ago
4 · Use
Hosting

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

216.83.54.0/23

From the registry to its use

  1. Nov 3, 2006
    Registry record
    Ethr.Net LLC
    Direct Allocation
    216.83.32.0/19
  2. Feb 14, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    216.83.32.0/19
  3. Jul 23, 2025– Aug 27, 2025
    Announced
    AS40676 Psychz Networks
    Hosting
  4. Jul 23, 2025– Oct 14, 2025
    Announced
    AS834 IPXO LLC
    Hosting
  5. Oct 14, 2025
    Route object
    IPXO
    RADB route object for AS8075 Microsoft Corporation, maintainer MAINT-AS834
  6. Oct 14, 2025
    Route object
    IPXO
    ARIN route object for AS8075 Microsoft Corporation, maintainer MNT-DCL-577
  7. Oct 15, 2025– today
    Announced
    AS8075 Microsoft Corporation
    Hosting
  8. Oct 16, 2025
    Assigned
    Internet Utilities NA LLC
    Reassigned
    216.83.54.0/23
  9. today
    Leased from
    EGIHosting
    Lessor
  10. today
    Leased from
    IPXO
    IP broker

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
216.83.32.0/198,192ETHR-NETEthr.Net LLC (ETHRN) · USDirect AllocationNov 3, 2006abuse@ethr.net
└ 216.83.32.0/198,192IPXO-216-83-32-0-2IPXO LLC (IL-845) · USReallocatedJan 24, 2025abuse@ipxo.com
└ 216.83.32.0/198,192NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedFeb 14, 2025report@abuseradar.com
└ 216.83.54.0/23512ZIT25-1unknownReassignedOct 16, 2025report@abuseradar.com
via ETHR-NET

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Ethr.Net LLC
Handle
ETHRN
Range
216.83.32.0/19
Registration type
Direct Allocation
Record created
Nov 3, 2006
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated
Feb 14, 2025
Origin network

AS8075

US
Name
Microsoft Corporation
Type
Hosting
Registered
Mar 31, 1997
Domain
microsoft.com
Website
www.microsoft.com
Industry
Software Development
Spamhaus ASN-DROP
not listed