asn.dev

Autonomous system

AS203196 EMSYS

Unclassified RIPE

IPv4 addresses 256 1 prefixes
IPv6 prefixes 1 counted as prefixes, not addresses
Countries 1 mostly DE
Exchanges 0 recorded by PCH
Upstreams 1 0 downstream
Flagged prefixes 0 none

Summary

emsys

Germany · AI-generated

business energy it germany

The AS handle EMSYS is held by emsys energy & meteo systems GmbH.

What it's used for

  • The space carries corporate infrastructure for an energy technology provider, as indicated by the netname DE-EMSYS-20220801 and registrant emsys hostmaster; energy & meteo systems GmbH.
  • The inventory consists of 256 IPv4 addresses in a single /24 prefix and 1 IPv6 prefix, with only 1 observed neighbour, indicating a small, self-contained business network rather than a transit or access provider.
  • Traffic from this AS represents internal corporate operations for a company providing virtual power plant services, wind and solar power forecasting, and IT solutions for the energy transition.

Notable

  • The registrant emsys hostmaster; energy & meteo systems GmbH aligns directly with the AS holder and the AS handle EMSYS.
  • The address inventory is compact, consisting of a single IPv4 /24 block and one IPv6 /48 prefix, typical for a specialized business entity with limited external footprint.

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 2 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS9145EWE TEL GmbH91

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 1 prefixes · 256 addresses IPv6 1 prefixes

CountryNamePrefixes
DEGermany2

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS203196
Registry name
emsys
Registrant
lir-de-emsys-1-MNT
Abuse contact
abuse@energymeteo.systems
Registered
2022-08-24
Last changed
2026-01-30
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 2 valid, 0 with no ROA
ROAs
4 authorising AS203196
ASPA
3 declared providers
IRR
100% registered · 2 of 2 announcements
Route objects
3 naming AS203196

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: 447 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