asn.dev

Autonomous system

AS205050 NIEWELS-ASN

Unclassified RIPE

IPv4 addresses 512 2 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly DE
Exchanges 0 recorded by PCH
Upstreams 1 0 downstream
Flagged prefixes 0 none

Summary

Hubert Niewels GmbH

Germany · AI-generated

business plumbing hvac germany

NIEWELS-ASN is held by Hubert Niewels GmbH, a German specialist in refrigeration, air conditioning, and pipeline installation.

What it's used for

  • The address space carries internal corporate traffic, evidenced by netnames NIEWELS-NET-01 and NIEWELS-NET-04 registered to the company's abuse contact.
  • The AS announces 512 IPv4 addresses across 2 prefixes with only 1 observed neighbour, indicating a small, self-contained corporate network rather than a transit or access provider.
  • Traffic from this AS consists of office workers and technical staff for a B2B industrial services firm, not consumer subscribers or public web endpoints.

Notable

  • Registrants for both announced prefixes list "Abuse-C Role" under the netnames NIEWELS-NET-01 and NIEWELS-NET-04, consistent with the AS holder Hubert Niewels GmbH.
  • The address inventory is minimal, comprising two /24 blocks (185.131.196.0/24 and 185.131.199.0/24) with no IPv6 prefixes, typical of a small enterprise estate.

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

Full topology · Graph

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 1 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS12312ecotel communication ag122

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-27, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 2 prefixes · 512 addresses IPv6 0 prefixes

CountryNamePrefixes
DEGermany2

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS205050
Registry name
NIEWELS-ASN
Registrant
de-niewels-1-mnt
Abuse contact
ripe@niewels.de
Registered
2017-11-14
Last changed
2023-06-28
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 2 with no ROA
ROAs
0 authorising AS205050
ASPA
no ASPA record
IRR
100% registered · 2 of 2 announcements
Route objects
2 naming AS205050

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: 446 networks and 1,852 prefixes, as published 2026-10-27. 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

Cross-check