AS43857 — FRAPORT Fraport AG Frankfurt Airport Services Worldwide

AS43857 announces 1 IPv4 prefixes covering 65,536 addresses and 1 IPv6 prefixes.

About this network

FRAPORT is the autonomous system for Fraport AG Frankfurt Airport Services Worldwide.

What it's used for

• The space carries internal airport infrastructure, identified by the netname FAIRNET and registrant Fraport AG Frankfurt Airport Services Worldwide.
• The AS announces 65536 IPv4 addresses within a single /16 prefix (146.234.0.0/16) and one IPv6 prefix (2a04:5740::/29).
• With only 3 observed neighbours, the network functions as an internal corporate estate for the airport operator rather than a transit or access provider.
• Traffic from this AS consists of operational systems, office workers, and infrastructure endpoints supporting Frankfurt Airport operations.

Notable

• The registrant Fraport AG Frankfurt Airport Services Worldwide matches the AS holder, confirming direct ownership of the address space.
• The inventory consists of a single contiguous IPv4 block and one IPv6 prefix, indicating a consolidated internal network design.

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

Announced prefixes

• 146.234.0.0/16
• 2a04:5740::/29

Upstream networks

• AS34309 Link11 GmbH
• AS8881 1&1 Versatel GmbH
• AS49220 AirIT Services GmbH

Adjacent networks

• AS34309 Link11 GmbH
• AS8881 1&1 Versatel GmbH
• AS49220 AirIT Services GmbH

Routing security

• RPKI: 0 valid, 0 invalid and 10 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 11 route objects.
• Listed in as-sets: AS-AIRIT, AS-EUNDE, AS-LINK11, AS-PLUSLINE, AS-PLUSLINE6, AS-VT-TRANSIT.