Data as of Nov 3, 2026
167.21.32.0/21
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by State of Delaware
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 167.21.0.0/17 since May 2005 | AS30641 | Business | 18 | State of Delaware |
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
- Dec 2023
- Current origin since
- Dec 2023 · 2.9 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 167.21.0.0/16
- Netname
- STOFDELAWARE
- Registrant
- State of Delaware
- Organization
- State of Delaware (STATEO-19-Z)
- Org address
- Department of Technology and Information, Dover, DE, 19904
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-167-21-0-0-1
- Parent
- NET-167-0-0-0-0
- Created
- Apr 20, 1993
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 20, 1993
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Bontrager, Caleb
- Phone
- +1-302-739-9828
- Handle
- BONTR25-ARIN