AS199754 PFEFFER-AS Adrian Pfeffer trading as DUKLANA IT e.U.

PFEFFER-AS Adrian Pfeffer trading as DUKLANA IT e.U. · registered in Austria

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Austria#462largest network in AT by IPv4 space, of 619 · <0.01% of AT

Rank worldwide#62,049of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryAustria646 ASNs registered there

Open AS199754 in ASN lookup Look up an IP in this network (45.154.34.1) All networks in Austria

IPv4 prefixes

All 1 prefix, in address order.

45.154.34.0/24

IPv6 prefixes

All 1 prefix.

2001:678:121c::/48

Similar-sized networks in Austria

ASNNameIPv4 addresses

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AS199156#461 ROUBICEK-AS Peter Roubicek256

AS200383#463 EPB EPB IT Services GmbH256

AS202745#464 linkedin LinkedIn Austria GmbH256

AS202928#465 Z-IX-AS Armin Fisslthaler256

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources