Data as of Nov 4, 2026
131.253.33.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Microsoft Corp
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 131.253.32.0/20 since Apr 2012 | AS8075 | Hosting | Microsoft Corp |
Network & registry
Origin network
AS8068
US
- Name
- Microsoft Corporation
- Type
- Hosting
- Registered
- Mar 31, 1997
- 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
- Dec 2013
- Current origin since
- Dec 2016 · 9.9 yr
- Origin networks
- 2
- Last change of origin
- Dec 2016
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 131.253.33.0/24 | AS8068 | /24 | ARIN | RPKI valid |
| 131.253.32.0/20 | AS8075 | /20 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8068 | RADB | Microsoft Edge | MAINT-AS8075 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 131.253.21.0 - 131.253.47.255
- Netname
- MICROSOFT
- Registrant
- Microsoft Corp
- Organization
- Microsoft Corp (MSFT-Z)
- Org address
- One Microsoft Way, Redmond, WA, 98052
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-131-253-21-0-1
- Parent
- NET-131-0-0-0-0
- Created
- Jun 22, 2011
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 22, 2011
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Microsoft Abuse Contact
- Phone
- +1-425-882-8080
- Handle
- MAC74-ARIN