Autonomous System
AS203724 Musarubra Germany GmbH
BusinessActiveGermanyRIPE
AS203724 (MGG4-AS1) is a business network operated by Musarubra Germany GmbH in Germany, registered with RIPE. It has 95 IPv4 prefixes with 24,320 addresses and 1 IPv6 prefix, which makes it the 6,171st largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses24,320in 95 prefixes
IPv6 prefixes1≈ 1.2 × 10²⁴ addresses
Size rank#6,171of 82,200 active ASNs
Details
OrganizationMusarubra Germany GmbH
AS nameMGG4-AS1
Websiteskyhighsecurity.com
Country Germany (DE)
Network typeBusiness
RegistryRIPE
Abuse contactabuse@skyhighsecurity.com
Registered2015-11-11
Last updated2026-03-23
IPv4 prefixes
95 prefixes · 24,320 addresses| Network | Addresses | First – last address |
|---|---|---|
| 131.229.128.0/24 | 256 | 131.229.128.0 – 131.229.128.255 |
| 131.229.129.0/24 | 256 | 131.229.129.0 – 131.229.129.255 |
| 131.229.130.0/24 | 256 | 131.229.130.0 – 131.229.130.255 |
| 131.229.131.0/24 | 256 | 131.229.131.0 – 131.229.131.255 |
| 131.229.132.0/24 | 256 | 131.229.132.0 – 131.229.132.255 |
| 131.229.133.0/24 | 256 | 131.229.133.0 – 131.229.133.255 |
| 131.229.134.0/24 | 256 | 131.229.134.0 – 131.229.134.255 |
| 131.229.135.0/24 | 256 | 131.229.135.0 – 131.229.135.255 |
| 131.229.137.0/24 | 256 | 131.229.137.0 – 131.229.137.255 |
| 131.229.138.0/24 | 256 | 131.229.138.0 – 131.229.138.255 |
| 131.229.139.0/24 | 256 | 131.229.139.0 – 131.229.139.255 |
| 131.229.141.0/24 | 256 | 131.229.141.0 – 131.229.141.255 |
| 131.229.142.0/24 | 256 | 131.229.142.0 – 131.229.142.255 |
| 131.229.143.0/24 | 256 | 131.229.143.0 – 131.229.143.255 |
| 131.229.144.0/24 | 256 | 131.229.144.0 – 131.229.144.255 |
| 131.229.145.0/24 | 256 | 131.229.145.0 – 131.229.145.255 |
| 131.229.146.0/24 | 256 | 131.229.146.0 – 131.229.146.255 |
| 131.229.147.0/24 | 256 | 131.229.147.0 – 131.229.147.255 |
| 131.229.148.0/24 | 256 | 131.229.148.0 – 131.229.148.255 |
| 131.229.149.0/24 | 256 | 131.229.149.0 – 131.229.149.255 |
| 131.229.150.0/24 | 256 | 131.229.150.0 – 131.229.150.255 |
| 131.229.151.0/24 | 256 | 131.229.151.0 – 131.229.151.255 |
| 131.229.152.0/24 | 256 | 131.229.152.0 – 131.229.152.255 |
| 131.229.153.0/24 | 256 | 131.229.153.0 – 131.229.153.255 |
| 131.229.160.0/24 | 256 | 131.229.160.0 – 131.229.160.255 |
131.229.128.0/24 131.229.129.0/24 131.229.130.0/24 131.229.131.0/24 131.229.132.0/24 131.229.133.0/24 131.229.134.0/24 131.229.135.0/24 131.229.137.0/24 131.229.138.0/24 131.229.139.0/24 131.229.141.0/24 131.229.142.0/24 131.229.143.0/24 131.229.144.0/24 131.229.145.0/24 131.229.146.0/24 131.229.147.0/24 131.229.148.0/24 131.229.149.0/24 131.229.150.0/24 131.229.151.0/24 131.229.152.0/24 131.229.153.0/24 131.229.160.0/24
The 25 largest of 95. The API and the database have all of them.
IPv6 prefixes
1 prefix- 2a06:bcc7::/48
2a06:bcc7::/48
Query AS203724 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=AS203724&key=YOUR_API_KEY"Any address in its prefixes resolves to AS203724, with or without a key:
curl "https://api.ipapi.is/?q=131.229.128.1"Largest networks in Germany
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