AS57407 CK Software GmbH 🇩🇪 DE

Announcing 4 prefixes, seen at the RIS collectors.

IPv4 prefixes

1,536 (6 × /24)

IPv6 prefixes

8 × /32

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS57407
Name: CK Software GmbH
Organisation: CK Software
Country: 🇩🇪 DE
RIR: RIPENCC
Allocated: 2011-10-18
Scope: Not Disclosed
Peering policy: Open
IRR as-set: RIPE::AS-CKSOFT
Website: http://www.cksoft.de/
PeeringDB: net/18431
Exchanges: 1
Facilities: 1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

4 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.ripe.net

as-block:       AS57370 - AS57951
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:        2026-09-18T08:10:57Z
last-modified:  2026-09-18T08:10:57Z
source:         RIPE

aut-num:        AS57407
as-name:        CKSOFT
org:            ORG-CSG10-RIPE
remarks:        -------------------------------------------------------
remarks:        Upstreams and Peerings
remarks:        -------------------------------------------------------
remarks:        -- Internet AG
mp-import:      afi ipv4.unicast from AS8495 accept ANY
mp-export:      afi ipv4.unicast to AS8495 announce AS-CKSOFT
mp-import:      afi ipv6.unicast from AS8495 accept ANY
mp-export:      afi ipv6.unicast to AS8495 announce AS-CKSOFT
import:         from AS8495 accept ANY
export:         to AS8495 announce AS-CKSOFT
remarks:        -------------------------------------------------------
remarks:        -- IAG
mp-import:      afi ipv4.unicast from AS31025 accept ANY
mp-export:      afi ipv4.unicast to AS31025 announce AS-CKSOFT
mp-import:      afi ipv6.unicast from AS31025 accept ANY
mp-export:      afi ipv6.unicast to AS31025 announce AS-CKSOFT
import:         from AS31025 accept AS-IAG
export:         to AS31025 announce AS-CKSOFT
remarks:        -------------------------------------------------------
remarks:        -- Kleyrex
import:         from AS31142 accept AS-KLEYREX-RS1
export:         to AS31142 announce AS-CKSOFT
remarks:        -------------------------------------------------------
admin-c:        CK12-RIPE
tech-c:         CK12-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CKSOFT-MNT
created:        2011-10-18T15:53:28Z
last-modified:  2018-09-04T11:06:12Z
source:         RIPE

organisation:   ORG-CSG10-RIPE
org-name:       CK Software GmbH
country:        DE
reg-nr:         District court Stuttgart HRB 245288
org-type:       LIR
address:        Wildberger Weg 24 /2
address:        71126
address:        G�ufelden
address:        GERMANY
phone:          +49 7032 893 997 0
admin-c:        CK12-RIPE
tech-c:         CK12-RIPE
abuse-c:        CSGA1-RIPE
mnt-ref:        CKSOFT-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CKSOFT-MNT
created:        2017-08-11T10:54:30Z
last-modified:  2026-05-13T07:38:22Z
source:         RIPE # Filtered

person:         Christian Kratzer
address:        CK Software GmbH
address:        Wildberger Weg 24/2
address:        D-71126 Gaeufelden
address:        Germany
phone:          +49 7032 893 997 0
fax-no:         +49 7032 893 997 9
nic-hdl:        CK12-RIPE
mnt-by:         CKSOFT-MNT
created:        2002-08-26T12:27:45Z
last-modified:  2010-12-06T13:59:37Z
source:         RIPE # Filtered