Data as of Nov 3, 2026
64.236.172.0/23
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Microsoft Limited
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 64.236.0.0/16 | 65,536 | UK-MICROSOFT-20000202 | Microsoft Limited (ORG-MA42-RIPE) · GB | ALLOCATED PA | Apr 3, 2024 | [email protected] |
| └ 64.236.128.0/17 | 32,768 | cloud | unknown | ASSIGNED PA | Sep 5, 2025 | [email protected] via UK-MICROSOFT-20000202 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 64.236.0.0/16
- Prefix
- 64.236.0.0/16
- Announced by
- AS8075 Microsoft Corporation
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- UK-MICROSOFT-20000202
- Registrant
- Microsoft Limited
- RIR
- RIPE NCC
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 64.236.0.0/16
64.236.0.0/16
Routing history
- Pattern
- Reactivated
- First seen
- May 2005
- Current origin since
- Aug 2024 · 2.2 yr
- Origin networks
- 2
- Last change of origin
- Aug 2024
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 64.236.0.0/16 | AS8075 | /16 | RIPE | RPKI valid |
IRR
Route objects on 64.236.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8075 | RADB | Microsoft | MAINT-AS8075 | Aug 12, 2024 |
Whois
Registration for this announcement
- Range
- 64.236.0.0/16
- Netname
- UK-MICROSOFT-20000202
- Registrant
- Microsoft Limited
- Registrant country
- GB
- Organization
- Microsoft Limited (ORG-MA42-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Apr 3, 2024
- Updated
- Apr 3, 2024
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Feb 2, 2000
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Microsoft Abuse Contact
- Handle
- MAC274-RIPE