AS43354 — ZDF-AS

AS43354 announces 2 IPv4 prefixes covering 1,280 addresses and 1 IPv6 prefixes.

About this network

ZDF-AS is operated by ZDF Zweites Deutsches Fernsehen.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by the netnames ZDF-Net and ZDF and the reverse DNS record mail.zdf.de.
• The AS announces 1280 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, with only 3 observed neighbours, indicating a small, self-contained network rather than a transit or access provider.
• Traffic from this AS consists of internal communications, media production systems, and web services for the German public-service television broadcaster.

Notable

• Registrants for both announced prefixes are ZDF Zweites Deutsches Fernsehen, matching the AS holder.
• The address inventory is compact, consisting of a /22 and a /24 in IPv4 and a single /48 in IPv6, typical for a single corporate entity.

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

Announced prefixes

• 91.197.28.0/22
• 194.45.94.0/24
• 2001:67c:4d0::/48

Upstream networks

• AS55002 F5, Inc.
• AS8881 1&1 Versatel GmbH
• AS3356 Level 3 Parent, LLC

Adjacent networks

• AS55002 F5, Inc.
• AS8881 1&1 Versatel GmbH
• AS3356 Level 3 Parent, LLC

Routing security

• RPKI: 7 valid, 0 invalid and 0 not-found announcements; 7 ROAs.
• ASPA: none published.
• IRR: 43% of announcements registered; 3 route objects.
• Listed in as-sets: AS-DEFENSE, AS-F5, AS-VT-TRANSIT, AS1221:AS-CUSTOMERS, AS35280:AS-DEFENSE, AS35280:AS-F5.