Data as of Nov 10, 2026
151.252.44.52/30
No anonymizer space · no proxy exits in 30 daysSysEleven 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 |
|---|---|---|---|---|---|---|
| 151.252.40.0/21 | 2,048 | DE-SYSELEVEN-20120823 | SysEleven GmbH (ORG-SG57-RIPE) · DE | ALLOCATED PA | Aug 23, 2012 | ripe-abuse@ |
| └ 151.252.44.52/30 | 4 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Nov 24, 2020 | ripe-abuse@ |
Network & registry
Announced by
Covering announcement 151.252.40.0/21
- Prefix
- 151.252.40.0/21
- Announced by
- AS25291 SysEleven GmbH
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- DE-SYSELEVEN-20120823
- 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
Who has announced 151.252.40.0/21
151.252.40.0/21
Routing history
- Pattern
- Stable
- First seen
- Sep 2012
- Current origin since
- Sep 2012 · 14 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 151.252.40.0/21 | AS25291 | /24 | RIPE | RPKI valid |
IRR
Route objects on 151.252.40.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS25291 | RIPE | SysEleven Global Network - Aggregate route object | SYS11-MNT | Jul 30, 2019 |
Whois
Registration for this announcement
- Range
- 151.
252. 40. 0/ 21 - Netname
- DE-SYSELEVEN-20120823
- Registrant
- SysEleven GmbH
- Registrant country
- DE
- Organization
- SysEleven GmbH (ORG-SG57-RIPE)
- Org country
- DE
- Type
- ALLOCATED PA
- Created
- Aug 23, 2012
- Updated
- Aug 1, 2019
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Aug 23, 2012
- Status
- assigned
Report abuse
Abuse contact
- ripe-abuse@
syseleven. de - Name
- SysEleven Network Operation Center
- Handle
- SNO9-RIPE