Autonomous System
AS50533 I.T.E.N.O.S. International Telecom Network Operation Services GmbH
ISPActiveGermanyRIPE
AS50533 (ITENOS) is an ISP network operated by I.T.E.N.O.S. International Telecom Network Operation Services GmbH in Germany, registered with RIPE. It has 9 IPv4 prefixes with 20,736 addresses and 2 IPv6 prefixes, which makes it the 6,713th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses20,736in 9 prefixes
IPv6 prefixes2≈ 1.6 × 10²⁹ addresses
Size rank#6,713of 82,200 active ASNs
Details
OrganizationI.T.E.N.O.S. International Telecom Network Operation Services GmbH
AS nameITENOS
Websiteitenos.de
Country Germany (DE)
Network typeISP
RegistryRIPE
Abuse contactabuse@itenos.de
Registered2016-07-26
Last updated2026-07-30
IPv4 prefixes
9 prefixes · 20,736 addresses| Network | Addresses | First – last address |
|---|---|---|
| 134.101.64.0/19 | 8,192 | 134.101.64.0 – 134.101.95.255 |
| 134.101.96.0/20 | 4,096 | 134.101.96.0 – 134.101.111.255 |
| 145.14.224.0/20 | 4,096 | 145.14.224.0 – 145.14.239.255 |
| 134.101.112.0/21 | 2,048 | 134.101.112.0 – 134.101.119.255 |
| 185.160.248.0/22 | 1,024 | 185.160.248.0 – 185.160.251.255 |
| 145.14.224.0/23 | 512 | 145.14.224.0 – 145.14.225.255 |
| 134.101.64.0/24 | 256 | 134.101.64.0 – 134.101.64.255 |
| 192.109.121.0/24 | 256 | 192.109.121.0 – 192.109.121.255 |
| 192.109.122.0/24 | 256 | 192.109.122.0 – 192.109.122.255 |
134.101.64.0/19 134.101.96.0/20 145.14.224.0/20 134.101.112.0/21 185.160.248.0/22 145.14.224.0/23 134.101.64.0/24 192.109.121.0/24 192.109.122.0/24
IPv6 prefixes
2 prefixes- 2a00:17f1::/32
- 2a00:17f4::/32
2a00:17f1::/32 2a00:17f4::/32
Query AS50533 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=AS50533&key=YOUR_API_KEY"Any address in its prefixes resolves to AS50533, with or without a key:
curl "https://api.ipapi.is/?q=134.101.64.1"Largest networks in Germany
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