asn.dev

Autonomous system

AS209620 LINSPACE Dr. Michaelis Consult GmbH

Unclassified RIPE Cable/DSL/ISP

IPv4 addresses 3.07K 3 prefixes
IPv6 prefixes 3 counted as prefixes, not addresses
Countries 1 mostly DE
Exchanges 1 recorded by PCH
Upstreams 3 1 downstream
Flagged prefixes 0 none

Summary

Dr. Michaelis Consult GmbH

Germany · AI-generated

isp residential cable dsl

MCGMBH is operated by Dr. Michaelis Consult GmbH.

What it's used for

  • The address space carries residential broadband traffic, evidenced by reverse DNS entries such as c13a5900.dynamic.as209620.de and c237f2fe.clients.as209620.de.
  • The AS announces 3072 IPv4 addresses across 3 prefixes and 3 IPv6 prefixes, with 4 observed routing neighbours, indicating a small-scale access network rather than a transit provider.
  • Traffic consists of subscriber eyeballs for cable and DSL services, consistent with the operator's classification as a Cable/DSL/ISP.

Notable

  • Registrants for the 193.58.88.0/22 and 194.55.240.0/22 prefixes are Dr. Michaelis Consult GmbH, matching the AS holder, while 78.31.196.0/22 is registered to Deutsche Multimedia Service GmbH under the netname DE-VONOVIA-20180619.
  • The address inventory is composed of three /22 blocks, with one block associated with Vonovia, suggesting a specific housing or property management context for that segment.

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

Recorded at 1 exchange in 1 country, largest first.

ExchangeLocationTheir address
Berlin Commercial Internet ExchangeBerlin, Germany193.178.185.206

Transit providers

3 upstream, 1 downstream and 7 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS58243TELE AG422
AS174Cogent Communications, LLC282
AS21032TELTA Citynetz GmbH67

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-11-02, 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 3 prefixes · 3.07K addresses IPv6 3 prefixes

CountryNamePrefixes
DEGermany6

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS209620
Registry name
LINSPACE
Registrant
de-mcgmbh-1-mnt
Abuse contact
abuse@mcgmbh.net
Registered
2019-01-07
Last changed
2026-07-16
Allocation
allocated

Declared

PeeringDB profile

self-reported
Name
MCGMBH
Network type
Cable/DSL/ISP
Traffic ratio
Mostly Inbound
Peering policy
Open
IRR as-set
AS-MCGMBH
Present at
1 exchanges
Facilities
4 facilities
Website
https://mcgmbh.net

PeeringDB records are maintained by the network operator and are not independently verified. Treat them as a statement of intent rather than of fact. For the observed and recorded view, see peering, which lists the exchanges Packet Clearing House has a port on file for.

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 15 valid, 0 with no ROA
ROAs
8 authorising AS209620
ASPA
3 declared providers
IRR
100% registered · 15 of 15 announcements
Route objects
28 naming AS209620

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: 449 networks and 1,846 prefixes, as published 2026-11-03. 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