AS42034 — DN-SYSTEMS

AS42034 announces 3 IPv4 prefixes covering 1,536 addresses and 3 IPv6 prefixes.

About this network

DN-SYSTEMS is operated by DN-Systems Enterprise Internet Solutions GmbH.

What it's used for

• The address space carries enterprise and security infrastructure, evidenced by netnames DE-DN-SYSTEMS-20160120 and DNXNET2, and reverse DNS entries such as blackhole.dn-systems.net, abigor.dn-systems.de, and srv2.labs.dn-systems.com.
• The AS announces 1536 IPv4 addresses across 3 prefixes and 3 IPv6 prefixes, with only 2 observed neighbours, indicating a small, self-contained corporate estate rather than a transit or access network.
• Traffic from this AS consists of web/API endpoints and internal security services for DN-Systems' business, which focuses on information security, digital forensics, and enterprise networking solutions for medium to large companies.

Notable

• Registrants for the largest prefixes are DN-Systems Enterprise Internet Solutions GmbH and Abuse-C Role, aligning with the AS holder.
• The address inventory is finely subdivided into three distinct IPv4 blocks, reflecting internal segmentation for different service lines or sites.

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

Announced prefixes

• 45.135.105.0/24
• 185.135.32.0/22
• 193.108.181.0/24
• 2001:67c:274c::/48
• 2a06:f140::/29
• 2a0e:6b40:10::/48

Upstream networks

• AS8495 INTERNET AG Global Network
• AS25394 MK Netzdienste Verwaltungs GmbH trading as MK Netzdienste GmbH & Co. KG

Adjacent networks

• AS8495 INTERNET AG Global Network
• AS25394 MK Netzdienste Verwaltungs GmbH trading as MK Netzdienste GmbH & Co. KG