Data as of Nov 12, 2026
20.37.64.0/19
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation
Network & registry
Announced by
Covering announcement 20.36.0.0/14
- Prefix
- 20.36.0.0/14
- Announced by
- AS8075 Microsoft Corporation
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- MSFT
- Registrant
- Microsoft Corporation
- RIR
- ARIN
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 20.36.0.0/14
20.36.0.0/14
Routing history
- Pattern
- Stable
- First seen
- Dec 2017
- Current origin since
- Dec 2017 · 8.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 20.36.0.0/14 | AS8075 | /14 | ARIN | RPKI valid |
IRR
Route objects on 20.36.0.0/14
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8075 | RADB | MICROSOFT | MAINT-AS8075 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 20.
33. 0. 0 - 20. 128. 255. 255 - 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-20-33-0-0-1
- 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