Data as of Nov 10, 2026
145.83.4.0/23
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Sociale Verzekeringsbank ZBO
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 |
|---|---|---|---|---|---|---|
| 145.83.0.0/16 | 65,536 | SVB | Sociale Verzekeringsbank ZBO (ORG-SVZ2-RIPE) · NL | LEGACY | — | ict. |
| └ 145.83.4.0/23 | 512 | SVB-AZURE-WEST-EUROPE | unknown | LEGACY | Sep 24, 2024 | ict. via SVB |
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
Registry
Holder
- Organization
- Sociale Verzekeringsbank ZBO
- Handle
- ORG-SVZ2-RIPE
- Range
- 145.
83. 0. 0/ 16 - Registration type
- LEGACY
- 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
- Sep 2024
- Current origin since
- Sep 2024 · 2.1 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 145.
83. 4. 0/ 23 - Netname
- SVB-AZURE-WEST-EUROPE
- Registrant country
- NL
- Organization
- Not stated by the registry
- Type
- LEGACY
- Created
- Sep 24, 2024
- Updated
- Sep 25, 2024
- Maintainer
- SVB-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- ict.
verbindingen@ svb. nl - Name
- Abuse-C Role
- Handle
- AR72442-RIPE