Data as of Nov 11, 2026
65.53.0.0/16
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 65.52.0.0/14 since Jan 2007 | AS8075 | Hosting | Microsoft Corporation |
Network & registry
Origin network
AS3598
US
- Name
- Microsoft Corporation
- Type
- Business
- Registered
- May 18, 1994
- Domain
- microsoft.com
- Industry
- Other
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2010
- Current origin since
- Aug 2010 · 16 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 65.53.0.0/16 | AS3598 | /16 | ARIN | RPKI valid |
| 65.52.0.0/14 | AS8075 | /14 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3598 | RADB | Microsoft Corporate | MAINT-AS8075 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 65.
52. 0. 0/ 14 - Netname
- MICROSOFT-1BLK
- Registrant
- Microsoft Corporation
- Organization
- Microsoft Corporation (MSFT)
- Org address
- One Microsoft Way, Redmond, WA, 98052
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-65-52-0-0-1
- Parent
- NET-65-0-0-0-0
- Created
- Feb 14, 2001
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 14, 2001
- Status
- assigned
Report abuse
Abuse contact
- abuse@
microsoft. com - Name
- Microsoft Abuse Contact
- Phone
- +1-425-882-8080
- Handle
- MAC74-ARIN