Data as of Nov 10, 2026
37.49.152.4/30
No anonymizer space · no proxy exits in 30 daysSysEleven GmbH
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Jul 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 37.49.152.0/21 since Aug 2016 | AS25291 | Hosting | SysEleven GmbH |
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 |
|---|---|---|---|---|---|---|
| 37.49.152.0/21 | 2,048 | DE-SYSELEVEN-20120126 | SysEleven GmbH (ORG-SG57-RIPE) · DE | ALLOCATED PA | Aug 27, 2019 | ripe-abuse@ |
| └ 37.49.152.4/30 | 4 | INFRA-MGMT-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
Network & registry
Announced by
Covering announcement 37.49.152.0/24
- Prefix
- 37.49.152.0/24
- Announced by
- AS25291 SysEleven GmbH
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- DE-SYSELEVEN-20120126
- Registrant
- SysEleven GmbH
- RIR
- RIPE NCC
Origin network
AS25291
DE
- Name
- SysEleven GmbH
- Type
- Hosting
- Registered
- Dec 7, 2009
- Domain
- secunet.cloud
- Website
- www.secunet.cloud
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
37.49.152.0/24
Routing history
- Pattern
- Stable
- First seen
- Jul 2026
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.49.152.0/21 | AS25291 | /24 | RIPE | RPKI valid |
IRR
Route objects on 37.49.152.0/24
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS25291 | RIPE | SysEleven Global Network - More specific route object | SYS11-MNT | Jul 30, 2019 |
Whois
Registration for this announcement
- Range
- 37.
49. 152. 0/ 21 - Netname
- DE-SYSELEVEN-20120126
- Registrant
- SysEleven GmbH
- Registrant country
- DE
- Organization
- SysEleven GmbH (ORG-SG57-RIPE)
- Org country
- DE
- Type
- ALLOCATED PA
- Created
- Aug 27, 2019
- Updated
- Aug 27, 2019
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Jan 26, 2012
- Status
- assigned
Report abuse
Abuse contact
- ripe-abuse@
syseleven. de - Name
- SysEleven Network Operation Center
- Handle
- SNO9-RIPE