Data as of Nov 4, 2026
157.58.0.0/16
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 157.58.192.0/19 since Feb 2014 | AS3598 | Business | Microsoft Corporation | |
| 157.58.216.0/24 since May 2023 | AS5761 | Business | 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
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2014
- Current origin since
- Apr 2014 · 13 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 157.58.0.0/16 | AS3598 | /16 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3598 | RADB | Microsoft Corporate | MAINT-AS8075 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 157.58.31.0/24 | AS3598 | RADB | Microsoft Corporate | MAINT-AS8075 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 157.54.0.0 - 157.60.255.255
- Netname
- MSFT-GFS
- Registrant
- Microsoft Corporation
- Organization
- Microsoft Corporation (MSFT)
- Org address
- One Microsoft Way, Redmond, WA, 98052
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-157-54-0-0-1
- Parent
- NET-157-0-0-0-0
- Created
- Apr 28, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 28, 1994
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Microsoft Abuse Contact
- Phone
- +1-425-882-8080
- Handle
- MAC74-ARIN