Data as of Nov 8, 2026
37.44.2.0/24
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 |
|---|---|---|---|---|---|---|
| 37.44.0.0/21 | 2,048 | DE-SYSELEVEN-20120106 | SysEleven GmbH (ORG-SG57-RIPE) · DE | ALLOCATED PA | Jan 6, 2012 | ripe-abuse@ |
| └ 37.44.2.0/29 | 8 | CUST-ACCESS-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.8/29 | 8 | CUST-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jun 1, 2022 | ripe-abuse@ |
| └ 37.44.2.16/28 | 16 | CUST-ACCESS-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.32/27 | 32 | INFRA-MGMT-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Oct 20, 2020 | ripe-abuse@ |
| └ 37.44.2.64/31 | 2 | CUST-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 15, 2021 | ripe-abuse@ |
| └ 37.44.2.66/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.68/31 | 2 | CUST-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Dec 21, 2021 | ripe-abuse@ |
| └ 37.44.2.70/31 | 2 | CUST-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.72/29 | 8 | CUST-ACCESS-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.80/29 | 8 | INFRA-SERVICE-APP-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.96/29 | 8 | INFRA-SERVICE-APP-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.104/29 | 8 | CUST-ACCESS-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Dec 6, 2021 | ripe-abuse@ |
| └ 37.44.2.112/29 | 8 | INFRA-SERVICE-APP-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.120/30 | 4 | INFRA-SERVICE-APP-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.124/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Oct 16, 2020 | ripe-abuse@ |
| └ 37.44.2.126/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Oct 16, 2020 | ripe-abuse@ |
| └ 37.44.2.128/27 | 32 | CUST-ACCESS-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Oct 11, 2021 | ripe-abuse@ |
| └ 37.44.2.160/29 | 8 | INFRA-SERVICE-APP-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.168/30 | 4 | CUST-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.172/30 | 4 | CUST-ACCESS-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.176/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Oct 21, 2020 | ripe-abuse@ |
| └ 37.44.2.178/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Oct 21, 2020 | ripe-abuse@ |
| └ 37.44.2.180/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Oct 21, 2020 | ripe-abuse@ |
| └ 37.44.2.182/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Oct 21, 2020 | ripe-abuse@ |
| └ 37.44.2.184/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Oct 21, 2020 | ripe-abuse@ |
| └ 37.44.2.186/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Oct 21, 2020 | ripe-abuse@ |
| └ 37.44.2.188/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Oct 21, 2020 | ripe-abuse@ |
| └ 37.44.2.190/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Oct 21, 2020 | ripe-abuse@ |
| └ 37.44.2.192/30 | 4 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.196/30 | 4 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.200/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.202/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.204/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.206/31 | 2 | CUST-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jan 7, 2021 | ripe-abuse@ |
| └ 37.44.2.208/30 | 4 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.212/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Feb 2, 2021 | ripe-abuse@ |
| └ 37.44.2.214/31 | 2 | CUST-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Dec 21, 2021 | ripe-abuse@ |
| └ 37.44.2.216/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.218/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.220/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.222/31 | 2 | INFRA-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.224/29 | 8 | CUST-ACCESS-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.232/29 | 8 | CUST-ACCESS-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jan 29, 2020 | ripe-abuse@ |
| └ 37.44.2.240/30 | 4 | CUST-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.244/30 | 4 | INFRA-SERVICE-APP-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.248/31 | 2 | CUST-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Aug 26, 2021 | ripe-abuse@ |
| └ 37.44.2.250/31 | 2 | CUST-ACCESS-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Aug 31, 2021 | ripe-abuse@ |
| └ 37.44.2.252/31 | 2 | INFRA-MGMT-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Jul 25, 2019 | ripe-abuse@ |
| └ 37.44.2.254/31 | 2 | CUST-TRANSFER-NET | SysEleven GmbH (ORG-SG57-RIPE) · DE | ASSIGNED PA | Feb 8, 2022 | ripe-abuse@ |
Network & registry
Announced by
Covering announcement 37.44.0.0/21
- Prefix
- 37.44.0.0/21
- Announced by
- AS25291 SysEleven GmbH
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- DE-SYSELEVEN-20120106
- 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 37.44.0.0/21
37.44.0.0/21
Routing history
- Pattern
- Stable
- First seen
- Jan 2012
- Current origin since
- Jan 2012 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.44.0.0/21 | AS25291 | /24 | RIPE | RPKI valid |
IRR
Route objects on 37.44.0.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS25291 | RIPE | SysEleven Global Network - Aggregate route object | SYS11-MNT | Jul 30, 2019 |
Whois
Registration for this announcement
- Range
- 37.
44. 0. 0/ 21 - Netname
- DE-SYSELEVEN-20120106
- Registrant
- SysEleven GmbH
- Registrant country
- DE
- Organization
- SysEleven GmbH (ORG-SG57-RIPE)
- Org country
- DE
- Type
- ALLOCATED PA
- Created
- Jan 6, 2012
- Updated
- Aug 1, 2019
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Jan 6, 2012
- Status
- assigned
Report abuse
Abuse contact
- ripe-abuse@
syseleven. de - Name
- SysEleven Network Operation Center
- Handle
- SNO9-RIPE