Data as of Nov 8, 2026

172.160.0.0/11

2 anonymizer addresses · <0.01%

Microsoft Corporation · space held by Microsoft Limited

Announcement

this exact prefix

RPKI valid

Announced by

AS8075

Type

Hosting

>99% of it

IPv4 market

Path

1 · Holder

Microsoft Limited

record created May 16, 2024

2 · Leased from

not leased

3 · Announced by

AS8075 Microsoft Corporation

since Jul 2022 · 4.3 yr ago

4 · Use

VPN servicesnamed VPN Gate

Hosting

Operators, sellers and brokers

VPN services

Name	Parent	In 172.160.0.0/11	/24s
VPN Gate	University of Tsukuba	1<0.01%	1

Lineage

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

172.160.0.0/11

From the registry to its use

Jul 8, 2022
Route object
AS8075 Microsoft Corporation
RIPE route object for AS8075 Microsoft Corporation, maintainer MICROSOFT-MAINT
Jul 8, 2022
Route object
AS8075 Microsoft Corporation
RADB route object for AS8075 Microsoft Corporation, maintainer MAINT-AS8075
Jul 15, 2022– today
Announced
AS8075 Microsoft Corporation
Hosting
May 16, 2024
Registry record
Microsoft Limited
ALLOCATED PA
172.128.0.0 - 172.215.255.255
today
Used
VPN Gate
VPN

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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
172.128.0.0 - 172.215.255.255	5,767,168	UK-MICROSOFT-20000324	Microsoft Limited (ORG-MA42-RIPE) · GB	ALLOCATED PA	May 16, 2024	abuse@microsoft.com
└ 172.160.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.161.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.162.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.163.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.164.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.165.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.166.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.167.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.168.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.169.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.170.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.171.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.172.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.173.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.174.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.175.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.176.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.177.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.178.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.179.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.180.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.181.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.182.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.183.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.184.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.185.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.186.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.187.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.188.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.189.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.190.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324
└ 172.191.0.0/16	65,536	cloud	unknown	ASSIGNED PA	Sep 5, 2025	abuse@microsoft.com via UK-MICROSOFT-20000324

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

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

2,097,152 addresses

Type	Addresses	Share	Ranges
Hosting	2,097,150	>99%	146
Datacenter proxyanonymizer	1	<0.01%	1
VPNanonymizer	1	<0.01%	1

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS8075

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

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
172.160.0.0/11	AS8075	/11	RIPE	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS8075	RIPE	Microsoft	MICROSOFT-MAINT	Jul 8, 2022
AS8075	RADB	Microsoft	MAINT-AS8075	Nov 13, 2023

172.160.0.0/11

Path

Operators, sellers and brokers

VPN services

Lineage

From the registry to its use

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS8075

Who has announced this prefix

Routing history

Route origin authorizations

Route objects on the exact prefix

Registration for this announcement

Abuse contact