AS57407 — CKSOFT CK Software GmbH

AS57407 announces 2 IPv4 prefixes covering 1,536 addresses and 2 IPv6 prefixes.

About this network

CKSOFT is operated by CK Software GmbH.

What it's used for

• The address space carries corporate infrastructure, evidenced by the netnames DE-CKSOFT-20170814 and CKSOFT-DE-LAN and the reverse DNS record crfra2.cksoft.de.
• The AS announces 1536 IPv4 addresses across 2 prefixes and 2 IPv6 prefixes, while maintaining 23 observed neighbours; this ratio indicates a business network with significant peering relationships rather than a transit provider.
• Traffic from this AS consists of web and API endpoints, internal office systems, and network security services provided by the company as a system integrator for open-source software.

Notable

• Registrants for both announced prefixes are listed as CK Software GmbH, which aligns directly with the AS holder.
• The address inventory is compact, consisting of two distinct IPv4 blocks and two IPv6 prefixes, consistent with a single corporate entity's internal estate.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 185.217.80.0/22
• 195.88.108.0/23
• 2001:67c:24f8::/48
• 2a0b:c6c0::/29

Upstream networks

• AS8495 INTERNET AG Global Network
• AS6939 Hurricane Electric LLC
• AS57821 Nonattached Network e.V.
• AS24482 SG.GS
• AS25091 IP-Max SA
• AS212508 Lowhosting services of Davide Gennari
• AS202365 Omer GOLGELI

Adjacent networks

• AS8495 INTERNET AG Global Network
• AS6939 Hurricane Electric LLC
• AS57821 Nonattached Network e.V.
• AS24482 SG.GS
• AS212508 Lowhosting services of Davide Gennari
• AS202365 Omer GOLGELI
• AS25091 IP-Max SA

Routing security

• RPKI: 4 valid, 0 invalid and 0 not-found announcements; 4 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 4 route objects.
• Listed in as-sets: AS-CKSOFT, AS-IAG, AS-IAGV6.

Internet exchanges

• KleyReX Internet Exchange — Frankfurt, Germany