// ASN
AS25291
SYSELEVEN - SysEleven GmbH, DE
Detailed information about the Autonomous System. Need another one? Look up a different ASN.
- ASN
- AS25291
- Organization
- DE-SYSELEVEN-20101125
- Description
- SYSELEVEN - SysEleven GmbH, DE
- Country
- DE
- Registry (RIR)
- RIPE
- Created
- 2009-09-26
- Updated
- 2026-01-14
- IPv4 Prefixes
- 38
- IPv6 Prefixes
- 14
IPv4 Prefixes
38 total · showing first 10109.68.224.0/21 109.68.224.0/24 109.68.225.0/24 109.68.228.0/24 109.68.229.0/24 109.68.230.0/24 147.93.208.0/22 147.93.210.0/24 151.252.40.0/21 151.252.45.0/24
IPv6 Prefixes
14 total · showing first 102a00:13c8::/32 2a00:13c8:f5::/48 2a00:7fc0::/33 2a04:d480:2400::/38 2a04:d480:2c00::/38 2a04:d480:400::/38 2a04:d480:4400::/38 2a04:d480:4400::/48 2a04:d480:4402::/48 2a04:d480:4800::/38
What is AS25291?
AS25291 is an Autonomous System Number (ASN) assigned to DE-SYSELEVEN-20101125. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.
Looking for more ASN data?
Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.