Data as of Nov 5, 2026
192.131.254.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by University of Massachusetts Dartmouth
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 |
|---|---|---|---|---|---|---|
| 192.131.254.0/24 | 256 | PHY | University of Massachusetts Dartmouth (UMD) · US | Direct Allocation | Nov 1, 1991 | rpacheco@ |
| └ 192.131.254.0/24 | 256 | AZURE-SUBNET | University of Massachusetts Dartmouth (C10757828) · US | Reassigned | Mar 12, 2024 | rpacheco@ via PHY |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
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
- Mar 2024
- Current origin since
- Mar 2024 · 2.6 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 192.
131. 254. 0/ 24 - Netname
- AZURE-SUBNET
- Registrant
- University of Massachusetts Dartmouth
- Organization
- University of Massachusetts Dartmouth (C10757828)
- Type
- Reassigned
- Handle
- NET-192-131-254-0-2
- Parent
- NET-192-131-254-0-1
- Created
- Mar 12, 2024
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 1, 1991
- Status
- assigned
Report abuse
Abuse contact
- rpacheco@
umassd. edu - Name
- Pacheco, Richard
- Phone
- +1-508-910-6988
- Handle
- PACHE37-ARIN