Data as of Nov 8, 2026
37.228.121.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Manage Now GmbH
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 |
|---|---|---|---|---|---|---|
| 37.228.120.0/21 | 2,048 | DE-MANAGE-NOW-20120411 | Manage Now GmbH (ORG-FSG6-RIPE) · DE | ALLOCATED PA | Dec 17, 2024 | nwsbetrieb@ |
| └ 37.228.121.0/24 | 256 | SMC_ | Manage Now GmbH (ORG-FSG6-RIPE) · DE | ASSIGNED PA | Apr 28, 2016 | nwsbetrieb@ |
Network & registry
Registry
Holder
- Organization
- Manage Now GmbH
- Handle
- ORG-FSG6-RIPE
- Range
- 37.
228. 120. 0/ 21 - Registration type
- ALLOCATED PA
- Record created
- Dec 17, 2024
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
- Reactivated
- First seen
- Nov 2013
- Current origin since
- Mar 2025 · 1.7 yr
- Origin networks
- 2
- Last change of origin
- Mar 2025
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.228.121.0/24 | AS8075 | /24 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 37.
228. 121. 0/ 24 - Netname
- SMC_
CME_ Microsoft_ Azure-001 - Registrant
- Manage Now GmbH
- Registrant country
- DE
- Organization
- Manage Now GmbH (ORG-FSG6-RIPE)
- Org country
- DE
- Type
- ASSIGNED PA
- Created
- Apr 28, 2016
- Updated
- Dec 30, 2025
- Maintainer
- de-fujitsu-1-mnt
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Apr 11, 2012
- Status
- assigned
Report abuse
Abuse contact
- nwsbetrieb@
manage-now. de - Name
- Abuse-C Role
- Handle
- AR37727-RIPE