Data as of Nov 3, 2026
52.96.0.0/14
No anonymizer spaceMicrosoft Corporation
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 52.96.0.0/12 since Dec 2015 | AS8075 | Hosting | Microsoft Corporation |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 52.96.38.0/24 since Sep 2019 | AS8075 | Hosting | Microsoft Corporation |
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2019
- Current origin since
- Nov 2019 · 6.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 52.96.0.0/14 | AS8075 | /14 | ARIN | RPKI valid |
| 52.96.0.0/12 | AS8075 | /12 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8075 | RADB | Microsoft ER | MAINT-AS8075 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 52.98.16.0/22 | AS8075 | RADB | Microsoft | MAINT-AS8075 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 52.96.0.0 - 52.115.255.255
- 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-52-96-0-0-1
- Parent
- NET-52-0-0-0-0
- Created
- Nov 24, 2015
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 24, 2015
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Microsoft Abuse Contact
- Phone
- +1-425-882-8080
- Handle
- MAC74-ARIN