AS34156 — BAHN-AS-BLN

AS34156 announces 2 IPv4 prefixes covering 6,144 addresses and 1 IPv6 prefixes.

About this network

BAHN-AS-BLN is operated by DB Systel GmbH, the digital technology subsidiary of Deutsche Bahn.

What it's used for

• The address space carries internal corporate IT infrastructure for the Deutsche Bahn group, as indicated by netnames DE-BAHN-20021002 and DE-BAHN-20101026 and registrant DB Systel GmbH.
• The AS announces 6144 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, while maintaining only 3 observed neighbours, a ratio that signifies a private internal estate rather than a public transit or access network.

Notable

• Registrants for both announced IPv4 prefixes are DB Systel GmbH, fully aligning with the AS holder and confirming direct ownership of the space.
• The inventory consists of two distinct IPv4 blocks, 81.200.192.0/20 and 46.18.56.0/21, alongside a single large IPv6 allocation, 2a05:7c0::/32.

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

Announced prefixes

• 46.18.56.0/21
• 81.200.192.0/20
• 2a05:7c0::/32

Upstream networks

• AS8881 1&1 Versatel GmbH
• AS3209 Vodafone GmbH

Downstream networks

• AS35368 DB InfraGO AG

Adjacent networks

• AS8881 1&1 Versatel GmbH
• AS3209 Vodafone GmbH
• AS35368 DB InfraGO AG

Routing security

• RPKI: 0 valid, 0 invalid and 3 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 3 route objects.
• Listed in as-sets: AS-ARCOR, AS-VODAFONE-DE, AS-VT-TRANSIT.