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Data as of Nov 5, 2026

131.176.230.0/24

No anonymizer space · no proxy exits in 30 days

Microsoft Corporation · space held by European Space Agency (ESA)

Announcement
131.176.228.0/22
RPKI valid
Announced by
AS8075
Type
Hosting
Risk
50 / 100 · Medium

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
131.176.0.0/1665,536ESAEuropean Space Agency (ESA) (ORG-ESA1-RIPE) · DELEGACYOct 11, 2001esanic@esa.int
└ 131.176.228.0/221,024ESA-AZUREEuropean Space Research and Technology CentreLEGACYDec 19, 2025esanic@esa.int
via ESA
└ 131.176.230.0/24256ESA-EAC-DMZ-NET3European Space Research and Technology CentreLEGACYApr 5, 2023esanic@esa.int
via ESA-AZURE

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
Announced by

Covering announcement 131.176.228.0/22

Prefix
131.176.228.0/22
Announced by
AS8075 Microsoft Corporation
Type
Hosting
RPKI
RPKI valid
Netname
ESA-AZURE
Registrant
European Space Research and Technology Centre
RIR
RIPE NCC
Registry

Holder

Organization
European Space Agency (ESA)
Handle
ORG-ESA1-RIPE
Range
131.176.0.0/16
Registration type
LEGACY
Record created
Oct 11, 2001
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