25291 SYSELEVEN SysEleven GmbH, DE
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS5405 INTERDOTLINK powered by Inter.link, DE
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4860 AS25291 ORIGIN Originate: 39168 /16.74 Transit: 0 /0.00 SYSELEVEN SysEleven GmbH, DE
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 21894 AS25291 SYSELEVEN SysEleven GmbH, DE 17 2 1 16 1 5.88% Prefix AS Path Aggregation Suggestion 37.44.0.0/21 4608 7575 2914 5405 25291 37.49.152.0/21 4608 7575 2914 5405 25291 37.123.104.0/21 4608 7575 2914 5405 25291 77.247.80.0/21 4608 7575 2914 5405 25291 109.68.224.0/21 4608 7575 2914 5405 25291 147.93.208.0/22 4608 7575 2914 5405 25291 151.252.40.0/21 4608 7575 2914 5405 25291 176.74.56.0/21 4608 7575 2914 5405 25291 185.46.136.0/22 4608 7575 2914 5405 25291 185.54.232.0/22 4608 7575 2914 5405 25291 185.56.104.0/23 4608 7575 2914 5405 25291 185.56.128.0/21 4608 7575 2914 5405 25291 185.245.101.0/24 4608 7575 6461 5405 25291 185.245.102.0/23 4608 7575 6461 5405 25291 + Announce - aggregate of 185.245.102.0/24 (4608 7575 6461 5405 25291) and 185.245.103.0/24 (4608 7575 6461 5405 25291) 185.245.102.0/24 4608 7575 6461 5405 25291 - Withdrawn - aggregated with 185.245.103.0/24 (4608 7575 6461 5405 25291) 185.245.103.0/24 4608 7575 6461 5405 25291 - Withdrawn - aggregated with 185.245.102.0/24 (4608 7575 6461 5405 25291) 195.192.128.0/18 4608 7575 2914 5405 25291 195.192.128.0/21 4608 7575 6461 5405 25291
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS25291 5 More Specifics 17 Total Advertisements SYSELEVEN SysEleven GmbH, DE
185.56.104.0/23 185.56.104.0/22
185.245.101.0/24 185.245.100.0/22
185.245.102.0/24 185.245.100.0/22
185.245.103.0/24 185.245.100.0/22
195.192.128.0/21 195.192.128.0/18
whois: 402332
IANA has recorded AS25291 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS25291\n % This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html
% Note: this output has been filtered.
% Information related to 'AS25251 - AS25361'
as-block: AS25251 - AS25361
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2018-11-22T15:27:30Z
last-modified: 2018-11-22T15:27:30Z
source: RIPE
% Information related to 'AS25291'
% Abuse contact for 'AS25291' is 'ripe-abuse@syseleven.de'
aut-num: AS25291
as-name: SYSELEVEN
descr: SysEleven GmbH
descr: Boxhagener Strasse 80
descr: D-10245 Berlin
descr: Germany
org: ORG-SG57-RIPE
remarks:
remarks: SysEleven GmbH
remarks: AS25291 (as-set: AS-SYSELEVEN)
remarks:
remarks: 24/7 NOC contact: noc@syseleven.de
remarks: Peering contact: peering@syseleven.de
remarks:
remarks: Network information: https://isp.syseleven.net
remarks: PeeringDB record: http://as25291.peeringdb.com
remarks:
remarks: --------------------------------------------------------
remarks:
remarks: Import / Export policies for UPSTREAMS:
remarks:
remarks: > Inter.link GmbH / AS5405
import: from AS5405 accept ANY
export: to AS5405 announce AS-INTERDOTLINK
mp-import: afi ipv6.unicast from AS5405 accept ANY
mp-export: afi ipv6.unicast to AS5405 announce AS-INTERDOTLINK
remarks:
remarks: > NTT / NTT Communications / AS2914
import: from AS2914 accept ANY
export: to AS2914 announce AS-INTERDOTLINK
mp-import: afi ipv6.unicast from AS2914 accept ANY
mp-export: afi ipv6.unicast to AS2914 announce AS-INTERDOTLINK
remarks:
remarks: > TELIA / Telia Carrier / AS1299
import: from AS1299 accept ANY
export: to AS1299 announce AS-INTERDOTLINK
mp-import: afi ipv6.unicast from AS1299 accept ANY
mp-export: afi ipv6.unicast to AS1299 announce AS-INTERDOTLINK
remarks:
remarks: --------------------------------------------------------
remarks:
remarks: IMPORT / EXPORT policies for CUSTOMERS:
remarks:
import: from AS25291:AS-CUSTOMERS accept AS25291:AS-CUSTOMERS
export: to AS25291:AS-CUSTOMERS announce ANY
remarks:
mp-import: afi ipv6.unicast from AS25291:AS-CUSTOMERS accept AS25291:AS-CUSTOMERS
mp-export: afi ipv6.unicast to AS25291:AS-CUSTOMERS announce ANY
remarks:
remarks: --------------------------------------------------------
remarks:
remarks: IMPORT / EXPORT policies for PEERS:
remarks:
import: from AS25291:AS-PEERS accept AS25291:AS-PEERS
export: to AS25291:AS-PEERS announce AS-INTERDOTLINK
remarks:
mp-import: afi ipv6.unicast from AS25291:AS-PEERS accept AS25291:AS-PEERS
mp-export: afi ipv6.unicast to AS25291:AS-PEERS announce AS-INTERDOTLINK
remarks:
remarks: --------------------------------------------------------
remarks:
admin-c: SAC57-RIPE
tech-c: SNO9-RIPE
status: ASSIGNED
remarks:
mnt-by: RIPE-NCC-END-MNT
mnt-by: SYS11-MNT
created: 2009-12-07T12:31:42Z
last-modified: 2025-12-19T11:09:03Z
source: RIPE # Filtered
organisation: ORG-SG57-RIPE
org-name: SysEleven GmbH
country: DE
org-type: LIR
address: Boxhagener Strasse 80
address: 10245
address: Berlin
address: GERMANY
phone: +49302332012100
fax-no: +493061675550
admin-c: SAC57-RIPE
tech-c: SNO9-RIPE
abuse-c: SNO9-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: SYS11-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: SYS11-MNT
remarks: Managed by SysEleven RIPE static templates
created: 2009-02-23T14:10:06Z
last-modified: 2020-12-16T12:37:08Z
source: RIPE # Filtered
role: SysEleven Administrative Contacts
address: SysEleven GmbH
address: Boxhagener Strasse 80
address: D-10245 Berlin
address: Germany
admin-c: JI616-RIPE
tech-c: HUHN1-RIPE
tech-c: FTS-RIPE
tech-c: PR17767-RIPE
tech-c: WK3057-RIPE
nic-hdl: SAC57-RIPE
remarks: Managed by SysEleven RIPE static templates
abuse-mailbox: ripe-abuse@syseleven.de
mnt-by: SYS11-MNT
created: 2009-09-23T09:12:00Z
last-modified: 2026-02-12T09:25:57Z
source: RIPE # Filtered
role: SysEleven Network Operation Center
address: SysEleven GmbH
address: Boxhagener Strasse 80
address: D-10245 Berlin
address: Germany
admin-c: SAC57-RIPE
tech-c: PR17767-RIPE
tech-c: FTS-RIPE
tech-c: HUHN1-RIPE
tech-c: WK3057-RIPE
nic-hdl: SNO9-RIPE
remarks: Managed by SysEleven RIPE static templates
abuse-mailbox: ripe-abuse@syseleven.de
mnt-by: SYS11-MNT
created: 2009-09-23T09:15:59Z
last-modified: 2026-02-12T09:24:46Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.121.2 (BUSA)