Data as of Nov 9, 2026
144.203.152.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Barra International, LLC
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
- Apr 2024
- Current origin since
- Apr 2024 · 2.6 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 144.
203. 0. 0/ 16 - Netname
- BARRA
- Registrant
- Barra International, LLC
- Organization
- Barra International, LLC (BARRA-Z)
- Org address
- 2100 Milvia Street, Berkeley, CA, 94704
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-144-203-0-0-1
- Parent
- NET-144-0-0-0-0
- Created
- Dec 20, 1990
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 20, 1990
- Status
- assigned
Report abuse
Abuse contact
- internetadmin@
msci. com - Name
- MSCI Barra Internetadmin
- Phone
- +1-212-804-3900
- Handle
- MBI42-ARIN