AS3190 DREI-S-AS 3-S-IT Dienstleistungen GmbH

DREI-S-AS 3-S-IT Dienstleistungen GmbH · registered in Austria

IPv4 addresses3,0722 prefixes · <0.001% of announced IPv4

Rank in Austria#155largest network in AT by IPv4 space, of 619 · 0.03% of AT

Rank worldwide#18,016of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryAustria646 ASNs registered there

Open AS3190 in ASN lookup Look up an IP in this network (5.11.0.1) All networks in Austria

IPv4 prefixes

All 2 prefixes, in address order.

5.11.0.0/21
185.90.40.0/22

IPv6 prefixes

All 1 prefix.

2a00:ebc0::/32

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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