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Data as of Nov 8, 2026

137.44.127.0/24

No anonymizer space · no proxy exits in 30 days

Microsoft Corporation · space held by Rosenberger Hochfrequenztechnik GmbH trading as Rosenberger Hochfrequenztechnik GmbH & Co. KG

Announcement
this exact prefix
RPKI valid
Announced by
AS8075
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Jul 2026
its first announcement on record

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
137.44.120.0/212,048NET-19891025Rosenberger Hochfrequenztechnik GmbH trading as Rosenberger Hochfrequenztechnik GmbH & Co. KG (ORG-RHGT1-RIPE) · DELEGACYMay 15, 2026abuse-ip@rosenberger.com
└ 137.44.127.0/24256Rosenberger-Azure-BYOIP-IPv4NET1unknownLEGACYJul 10, 2026abuse-ip@rosenberger.com
via NET-19891025
└ 137.44.127.0/2664Rosenberger-Azure-BYOIP-WEU1-IPv4NET1unknownLEGACYOct 1, 2026abuse-ip@rosenberger.com
via Rosenberger-Azure-BYOIP-IPv4NET1
└ 137.44.127.64/2664Rosenberger-Azure-BYOIP-INC1-IPv4NET1unknownLEGACYOct 1, 2026abuse-ip@rosenberger.com
via Rosenberger-Azure-BYOIP-IPv4NET1

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
Registry

Holder

Organization
Rosenberger Hochfrequenztechnik GmbH trading as Rosenberger Hochfrequenztechnik GmbH & Co. KG
Handle
ORG-RHGT1-RIPE
Range
137.44.120.0/21
Registration type
LEGACY
Record created
May 15, 2026
Legacy
yes
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