Data as of Nov 11, 2026
20.192.0.0/10
2 anonymizer addresses · <0.01% · Datacenter proxyMicrosoft Corporation
IPv4 market
Path
2 · Leased from
not leased
4 · Use
Hosting
anonymizer space, operator not named
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
20.192.0.0/10
From the registry to its use
- Oct 18, 2017Registry recordMicrosoft CorporationDirect Allocation20.192.0.0/10
- Dec 10, 2019– today
- Jul 21, 2020Route objectAS8075 Microsoft CorporationRADB route object for AS8075 Microsoft Corporation, maintainer MAINT-AS8075
- Jun 2, 2021Route objectAS8075 Microsoft CorporationRADB route object for AS8075 Microsoft Corporation, maintainer MAINT-AS807520.196.0.0/18
- Jun 2, 2021Route objectAS8075 Microsoft CorporationRADB route object for AS8075 Microsoft Corporation, maintainer MAINT-AS807520.203.0.0/17
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
4,194,304 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Hosting | 4,194,302 | >99% | 209 | |
| Datacenter proxyanonymizer | 2 | <0.01% | 2 |
Network & registry
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
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2019
- Current origin since
- Dec 2019 · 6.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 20.192.0.0/10 | AS8075 | /10 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8075 | RADB | Microsoft | MAINT-AS8075 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 20.196.0.0/18 | AS8075 | RADB | Microsoft Middle East | MAINT-AS8075 | Nov 13, 2023 |
| 20.203.0.0/17 | AS8075 | RADB | Microsoft Middle East | MAINT-AS8075 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 20.
192. 0. 0/ 10 - Netname
- MSFT
- Registrant
- Microsoft Corporation
- Organization
- Microsoft Corporation (MSFT)
- Org address
- One Microsoft Way, Redmond, WA, 98052
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-20-192-0-0-1
- Parent
- NET-20-0-0-0-0
- Created
- Oct 18, 2017
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 18, 2017
- Status
- assigned
Report abuse
Abuse contact
- abuse@
microsoft. com - Name
- Microsoft Abuse Contact
- Phone
- +1-425-882-8080
- Handle
- MAC74-ARIN