Data as of Nov 14, 2026
20.158.0.0/15
No anonymizer spaceMicrosoft Corporation
Network & registry
Origin network
AS8070
US
- Name
- Microsoft Corporation
- Type
- Hosting
- Registered
- Mar 31, 1997
- Domain
- microsoft.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Feb 2020
- Current origin since
- Jul 2022 · 4.4 yr
- Origin networks
- 2
- Last change of origin
- Jul 2022
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 20.
157. 0. 0 - 20. 159. 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-20-157-0-0-1
- 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