Autonomous system
AS3190 DREI-S-AS 3-S-IT Dienstleistungen GmbH
Unclassified RIPE
Summary
3-S-IT Dienstleistungen GmbH
enterprise hosting legacy
DREI-S-AS — 3-S-IT Dienstleistungen GmbH, a Vienna-based IT services company that acts as the central IT provider for the Austrian Trade Union Federation (ÖGB) and its member unions.
What it's used for
- Data centre operations, software development, and application hosting for the ÖGB and the individual trade unions.
- Connecting roughly a hundred union offices and sites across Austria.
Notable
- This is a captive IT shop, not a commercial hosting provider: the address space serves one organisational family rather than the open market. Traffic from it is union staff and union-run applications, so it behaves like enterprise space even though there is a data centre behind it.
- Handles member administration systems, which is exactly the kind of workload an organisation prefers to keep on infrastructure it controls end to end.
Interesting
- The
DREI-Sin the handle is simply the German for "3-S" spelled out — RIPE AS names cannot start with a digit, so the company wrote the number as a word.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Transit providers
1 upstream, 0 downstream and 2 adjacent networks observed; most-used upstreams first.
| AS | Network | Paths seen |
|---|---|---|
| AS5403 | APA-IT Informations Technologie G.m.b.H | 151 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-11-09, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 2 prefixes · 3.07K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| AT | Austria | 3 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS3190- Registry name
- DREI-S-AS
- Registrant
- DREI-S-MNT
- Abuse contact
- abuse@3-s.at
- Registered
- 2012-05-01
- Last changed
- 2026-02-03
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 3 valid, 0 with no ROA
- ROAs
- 3 authorising AS3190
- ASPA
- no ASPA record
- IRR
- 100% registered · 3 of 3 announcements
- Route objects
- 3 naming AS3190
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 454 networks and 1,854 prefixes, as published 2026-11-09. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere