AS Number
AS25291
AS Name
SYSELEVEN
Org Name
SysEleven GmbH
Country
Germany
Registry

ripe

RegDate

Updated

2018-11-22T15:27:30Z

AS25291 Looking Glass
IPv4Prefixes

38

IPv6Prefixes

15

IPv4 NUMs

37,120

IPv6 NUMs(/64)

6,912,212,992

37,120 IPv4 Addresses
CIDR Description IP Num
37.44.0.0/21
ROA Signed and Valid IRR InValid
SysEleven GmbH 2048
37.44.1.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
37.49.152.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
37.49.152.0/21
ROA Signed and Valid IRR InValid
SysEleven GmbH 2048
37.49.153.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
37.49.159.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
37.123.104.0/21
ROA Signed and Valid IRR InValid
SysEleven GmbH 2048
37.123.106.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
37.123.108.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
37.123.109.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
77.247.80.0/21
ROA Signed and Valid IRR InValid
SysEleven GmbH 2048
77.247.81.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
77.247.82.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
77.247.84.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
109.68.224.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
109.68.224.0/21
ROA Signed and Valid IRR InValid
SysEleven GmbH 2048
109.68.225.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
109.68.228.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
109.68.229.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
109.68.230.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
147.93.208.0/22
ROA Signed and Valid
SysEleven GmbH 1024
147.93.210.0/24
ROA Signed and Valid
SysEleven GmbH 256
151.252.40.0/21
ROA Signed and Valid IRR InValid
SysEleven GmbH 2048
151.252.45.0/24
ROA Signed and Valid IRR Valid
hotsplots GmbH 256
176.74.56.0/21
ROA Signed and Valid IRR InValid
SysEleven GmbH 2048
176.74.58.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
176.74.59.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
176.74.62.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
185.46.136.0/22
ROA Signed and Valid IRR InValid
SysEleven GmbH 1024
185.54.232.0/22
ROA Signed and Valid IRR InValid
SysEleven GmbH 1024
185.56.104.0/23
ROA Signed and Valid IRR InValid
SysEleven GmbH 512
185.56.128.0/21
ROA Signed and Valid IRR InValid
SysEleven GmbH 2048
185.245.101.0/24
ROA Signed and Valid IRR Valid
Alfatraining Bildungszentrum GmbH 256
185.245.102.0/24
ROA Signed and Valid IRR Valid
Alfatraining Bildungszentrum GmbH 256
185.245.103.0/24
ROA Signed and Valid IRR Valid
Alfatraining Bildungszentrum GmbH 256
195.192.128.0/21
ROA Signed and Valid IRR InValid
SysEleven GmbH 2048
195.192.128.0/18
ROA Signed and Valid IRR InValid
SysEleven GmbH 16384
195.192.143.0/24
ROA Signed and Valid IRR Valid
SysEleven GmbH 256
CIDR Description IP NUMs(prefix /64)
2a00:13c8::/32
ROA Signed and Valid IRR Valid
SysEleven GmbH 4294967296
2a00:13c8:3::/48
ROA Signed and Valid IRR Valid
SysEleven GmbH 65536
2a00:13c8:f5::/48
ROA Signed and Valid IRR Parent Valid
SysEleven GmbH 65536
2a00:7fc0::/33
ROA Signed and Valid IRR Valid
SysEleven GmbH 2147483648
2a04:d480::/38
ROA Signed and Valid IRR Valid
SysEleven GmbH 67108864
2a04:d480:400::/38
ROA Signed and Valid IRR Valid
SysEleven GmbH 67108864
2a04:d480:800::/38
ROA Signed and Valid IRR Valid
SysEleven GmbH 67108864
2a04:d480:2400::/38
ROA Signed and Valid IRR Valid
SysEleven GmbH 67108864
2a04:d480:2c00::/38
ROA Signed and Valid IRR Valid
SysEleven GmbH 67108864
2a04:d480:4400::/48
ROA Signed and Valid IRR Parent Valid
SysEleven GmbH 65536
2a04:d480:4400::/38
ROA Signed and Valid IRR Parent Valid
SysEleven GmbH 67108864
2a04:d480:4402::/48
ROA Signed and Valid IRR Parent Valid
SysEleven GmbH 65536
2a04:d480:4800::/48
ROA Signed and Valid IRR Parent Valid
SysEleven GmbH 65536
2a04:d480:4800::/38
ROA Signed and Valid IRR Parent Valid
SysEleven GmbH 67108864
2a04:d480:4802::/48
ROA Signed and Valid IRR Parent Valid
SysEleven GmbH 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 3,072 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS13058 serve-u-AS - serve-u - Buchholz und Suenderhauf GbR, DE Germany 2,048 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS25152 K-ROOT-SERVER - Reseaux IP Europeens Network Coordination Centre (RIPE NCC), NL Netherlands 512 4,294,967,296 IPv4 IPv4 IPv6 IPv6
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



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: AS25291:AS-SYSELEVEN)
remarks:
remarks:        24/7 NOC contact: noc@syseleven.de
remarks:        Peering contact: peering@syseleven.de
remarks:
remarks:        SysEleven Statuspage: https://www.syseleven-status.net
remarks:        PeeringDB record: http://as25291.peeringdb.com
remarks:
remarks:        --------------------------------------------------------
remarks:
remarks:        IMPORT / EXPORT policies for UPSTREAMS:
remarks:
remarks:        > Inter.link / AS5405
import:         from AS5405 accept ANY
export:         to AS5405 announce AS25291:AS-SYSELEVEN
mp-import:      afi ipv6.unicast from AS5405 accept ANY
mp-export:      afi ipv6.unicast to AS5405 announce AS25291:AS-SYSELEVEN
remarks:
remarks:        > Core-Backbone / AS33891
import:         from AS33891 accept ANY
export:         to AS33891 announce AS25291:AS-SYSELEVEN
mp-import:      afi ipv6.unicast from AS33891 accept ANY
mp-export:      afi ipv6.unicast to AS33891 announce AS25291:AS-SYSELEVEN
remarks:
remarks:        > Arelion / AS1299
import:         from AS1299 accept ANY
export:         to AS1299 announce AS25291:AS-SYSELEVEN
mp-import:      afi ipv6.unicast from AS1299 accept ANY
mp-export:      afi ipv6.unicast to AS1299 announce AS25291:AS-SYSELEVEN
remarks:
remarks:        --------------------------------------------------------
remarks:
remarks:        IMPORT / EXPORT policies for CUSTOMERS:
remarks:
import:         from AS25152 accept AS-KROOT
export:         to AS25152 announce ANY
mp-import:      afi ipv6.unicast from AS25152 accept AS-KROOT
mp-export:      afi ipv6.unicast to AS25152 announce ANY
remarks:
remarks:        --------------------------------------------------------
remarks:
admin-c:        SAC57-RIPE
tech-c:         SNO9-RIPE
status:         ASSIGNED
notify:         ip@syseleven.de
remarks:
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SYS11-MNT
created:        2009-12-07T12:31:42Z
last-modified:  2026-08-07T09:15:49Z
source:         RIPE

organisation:   ORG-SG57-RIPE
org-name:       SysEleven GmbH
country:        DE
reg-nr:         District court Berlin (Charlottenburg) HRB 108571
org-type:       LIR
address:        Boxhagener Strasse 80
address:        10245
address:        Berlin
address:        GERMANY
phone:          +49302332012100
fax-no:         +493061675550
e-mail:         noc@syseleven.de
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
notify:         ip@syseleven.de
created:        2009-02-23T14:10:06Z
last-modified:  2026-05-13T07:32:37Z
source:         RIPE

role:           SysEleven Administrative Contacts
address:        SysEleven GmbH
address:        Boxhagener Strasse 80
address:        D-10245 Berlin
address:        Germany
e-mail:         noc@syseleven.de
admin-c:        FTS-RIPE
tech-c:         HUHN1-RIPE
tech-c:         FTS-RIPE
tech-c:         PR17767-RIPE
tech-c:         WK3057-RIPE
tech-c:         JKB-DE
nic-hdl:        SAC57-RIPE
remarks:        Managed by SysEleven RIPE static templates
notify:         ip@syseleven.de
abuse-mailbox:  ripe-abuse@syseleven.de
mnt-by:         SYS11-MNT
created:        2009-09-23T09:12:00Z
last-modified:  2026-07-13T10:32:42Z
source:         RIPE

role:           SysEleven Network Operation Center
address:        SysEleven GmbH
address:        Boxhagener Strasse 80
address:        D-10245 Berlin
address:        Germany
e-mail:         noc@syseleven.de
admin-c:        SAC57-RIPE
tech-c:         PR17767-RIPE
tech-c:         FTS-RIPE
tech-c:         HUHN1-RIPE
tech-c:         WK3057-RIPE
tech-c:         JKB-DE
nic-hdl:        SNO9-RIPE
remarks:        Managed by SysEleven RIPE static templates
notify:         ip@syseleven.de
abuse-mailbox:  ripe-abuse@syseleven.de
mnt-by:         SYS11-MNT
created:        2009-09-23T09:15:59Z
last-modified:  2026-07-27T15:47:23Z
source:         RIPE