Autonomous System
AS12665 MSH Medien System Haus GmbH & Co. KG
BusinessActiveGermanyRIPE
AS12665 (UNSPECIFIED) is a business network operated by MSH Medien System Haus GmbH & Co. KG in Germany, registered with RIPE. It has 3 IPv4 prefixes with 16,896 addresses and 2 IPv6 prefixes, which makes it the 7,567th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses16,896in 3 prefixes
IPv6 prefixes2≈ 1.6 × 10²⁹ addresses
Size rank#7,567of 82,200 active ASNs
Details
OrganizationMSH Medien System Haus GmbH & Co. KG
AS nameUNSPECIFIED
Websitemsh.de
Country Germany (DE)
Network typeBusiness
RegistryRIPE
Abuse contactabuse@msh.de
Registered2002-07-24
Last updated2026-09-17
IPv4 prefixes
3 prefixes · 16,896 addresses| Network | Addresses | First – last address |
|---|---|---|
| 195.238.128.0/19 | 8,192 | 195.238.128.0 – 195.238.159.255 |
| 212.4.224.0/19 | 8,192 | 212.4.224.0 – 212.4.255.255 |
| 195.191.42.0/23 | 512 | 195.191.42.0 – 195.191.43.255 |
195.238.128.0/19 212.4.224.0/19 195.191.42.0/23
IPv6 prefixes
2 prefixes- 2a01:408::/32
- 2a03:1a40::/32
2a01:408::/32 2a03:1a40::/32
Query AS12665 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS12665&key=YOUR_API_KEY"Any address in its prefixes resolves to AS12665, with or without a key:
curl "https://api.ipapi.is/?q=195.238.128.1"Largest networks in Germany
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