AS209620 — LINSPACE Dr. Michaelis Consult GmbH

AS209620 announces 3 IPv4 prefixes covering 3,072 addresses and 3 IPv6 prefixes.

About this network

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.

Announced prefixes

• 78.31.196.0/22
• 193.58.88.0/22
• 194.55.240.0/22
• 2a06:6880::/29
• 2a0c:94c0::/29
• 2a0c:cbc0::/29

Upstream networks

• AS58243 TELE AG
• AS174 Cogent Communications, LLC
• AS21032 TELTA Citynetz GmbH

Downstream networks

• AS21032 TELTA Citynetz GmbH

Adjacent networks

• AS58243 TELE AG
• AS174 Cogent Communications, LLC
• AS21032 TELTA Citynetz GmbH

Routing security

• RPKI: 15 valid, 0 invalid and 0 not-found announcements; 8 ROAs.
• ASPA: 3 authorised providers.
• IRR: 100% of announcements registered; 28 route objects.
• Listed in as-sets: AS-HURRICANEV6, AS-MCGMBH, AS-TELEAG-CUSTOMER, AS174:AS-COGC-036.

Internet exchanges

• Berlin Commercial Internet Exchange — Berlin, Germany