Data as of Nov 8, 2026
165.224.64.0/23
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by U.S. Department of Education
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 165.224.0.0/16 | 65,536 | DEPARTMENT-OF-EDUCATION | U.S. Department of Education (DEPAR-1) · US | Direct Allocation | Sep 13, 1993 | Justin. |
| └ 165.224.64.0/23 | 512 | ED-OCIO-ETS-AZURE-EAST | U.S. Department of Education (DEPAR-1) · US | Reallocated | Mar 25, 2025 | Justin. |
Network & registry
Registry
Holder
- Organization
- U.S. Department of Education
- Handle
- DEPAR-1
- Range
- 165.
224. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Sep 13, 1993
- Legacy
- yes
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
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2025
- Current origin since
- Mar 2025 · 1.6 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 165.
224. 64. 0/ 23 - Netname
- ED-OCIO-ETS-AZURE-EAST
- Registrant
- U.S. Department of Education
- Organization
- U.S. Department of Education (DEPAR-1)
- Org address
- 400 Maryland Ave SW, Washington, DC, 20024
- Org country
- US
- Type
- Reallocated
- Handle
- NET-165-224-64-0-1
- Parent
- NET-165-224-0-0-1
- Created
- Mar 25, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 13, 1993
- Status
- assigned
Report abuse
Abuse contact
- Justin.
B. Morgan@ ed. gov - Name
- Morgan, Justin
- Phone
- +1-202-987-1800
- Handle
- MORGA776-ARIN