Data as of Nov 5, 2026
205.143.45.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Convergeone Holdings, Inc.
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
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2022
- Current origin since
- Aug 2022 · 4.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 205.143.44.0/23 | AS8075 | /24 | ARIN | RPKI valid |
| 205.143.44.0/23 | AS396204 | /24 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8075 | RADB | Microsoft ByoIp | MAINT-AS8075 | Jul 10, 2025 |
Whois
Registration for this announcement
- Range
- 205.
143. 44. 0/ 23 - Netname
- CONVERGEONE
- Registrant
- Convergeone Holdings, Inc.
- Organization
- Convergeone Holdings, Inc. (CH-1205)
- Org address
- 10900 Nesbitt Ave S, Bloomington, MN, 55437
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-205-143-44-0-1
- Parent
- NET-205-0-0-0-0
- Created
- Oct 6, 2017
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 6, 2017
- Status
- assigned
Report abuse
Abuse contact
- cvinje@
onec1. com - Name
- Chris Vinje
- Phone
- +1-651-393-3947
- Handle
- VINJE1-ARIN