Autonomous System
AS12350 VTX Services SA
BusinessActiveSwitzerlandRIPE
AS12350 (VTX-NETWORK) is a business network operated by VTX Services SA in Switzerland, registered with RIPE. It has 28 IPv4 prefixes with 309,504 addresses and 2 IPv6 prefixes, which makes it the 940th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses309,504in 28 prefixes
IPv6 prefixes2≈ 1.6 × 10²⁹ addresses
Size rank#940of 82,200 active ASNs
Details
OrganizationVTX Services SA · hosting provider profile
AS nameVTX-NETWORK
Websitemoservernet.ch
Country Switzerland (CH)
Network typeBusiness
RegistryRIPE
Abuse contactabuse@vtx.ch
Registered2002-09-11
Last updated2026-09-17
IPv4 prefixes
28 prefixes · 309,504 addresses| Network | Addresses | First – last address |
|---|---|---|
| 144.85.0.0/16 | 65,536 | 144.85.0.0 – 144.85.255.255 |
| 212.254.0.0/16 | 65,536 | 212.254.0.0 – 212.254.255.255 |
| 195.15.0.0/17 | 32,768 | 195.15.0.0 – 195.15.127.255 |
| 212.147.0.0/17 | 32,768 | 212.147.0.0 – 212.147.127.255 |
| 212.232.128.0/17 | 32,768 | 212.232.128.0 – 212.232.255.255 |
| 194.38.64.0/19 | 8,192 | 194.38.64.0 – 194.38.95.255 |
| 194.38.160.0/19 | 8,192 | 194.38.160.0 – 194.38.191.255 |
| 194.148.96.0/19 | 8,192 | 194.148.96.0 – 194.148.127.255 |
| 212.28.128.0/19 | 8,192 | 212.28.128.0 – 212.28.159.255 |
| 212.40.0.0/19 | 8,192 | 212.40.0.0 – 212.40.31.255 |
| 212.109.64.0/19 | 8,192 | 212.109.64.0 – 212.109.95.255 |
| 213.162.0.0/19 | 8,192 | 213.162.0.0 – 213.162.31.255 |
| 81.23.64.0/20 | 4,096 | 81.23.64.0 – 81.23.79.255 |
| 194.148.16.0/20 | 4,096 | 194.148.16.0 – 194.148.31.255 |
| 194.148.32.0/20 | 4,096 | 194.148.32.0 – 194.148.47.255 |
| 194.148.8.0/21 | 2,048 | 194.148.8.0 – 194.148.15.255 |
| 213.5.152.0/21 | 2,048 | 213.5.152.0 – 213.5.159.255 |
| 185.133.28.0/22 | 1,024 | 185.133.28.0 – 185.133.31.255 |
| 194.148.4.0/22 | 1,024 | 194.148.4.0 – 194.148.7.255 |
| 194.148.48.0/22 | 1,024 | 194.148.48.0 – 194.148.51.255 |
| 194.148.60.0/22 | 1,024 | 194.148.60.0 – 194.148.63.255 |
| 185.242.60.0/23 | 512 | 185.242.60.0 – 185.242.61.255 |
| 193.247.110.0/23 | 512 | 193.247.110.0 – 193.247.111.255 |
| 193.41.193.0/24 | 256 | 193.41.193.0 – 193.41.193.255 |
| 193.246.207.0/24 | 256 | 193.246.207.0 – 193.246.207.255 |
144.85.0.0/16 212.254.0.0/16 195.15.0.0/17 212.147.0.0/17 212.232.128.0/17 194.38.64.0/19 194.38.160.0/19 194.148.96.0/19 212.28.128.0/19 212.40.0.0/19 212.109.64.0/19 213.162.0.0/19 81.23.64.0/20 194.148.16.0/20 194.148.32.0/20 194.148.8.0/21 213.5.152.0/21 185.133.28.0/22 194.148.4.0/22 194.148.48.0/22 194.148.60.0/22 185.242.60.0/23 193.247.110.0/23 193.41.193.0/24 193.246.207.0/24
The 25 largest of 28. The API and the database have all of them.
IPv6 prefixes
2 prefixes- 2001:4c78::/32
- 2a03:a360::/32
2001:4c78::/32 2a03:a360::/32
Query AS12350 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=AS12350&key=YOUR_API_KEY"Any address in its prefixes resolves to AS12350, with or without a key:
curl "https://api.ipapi.is/?q=144.85.0.1"Largest networks in Switzerland
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