Autonomous System
AS5517 CSL Computer Service Langenbach GmbH
HostingActiveGermanyRIPE
AS5517 (CSL) is a hosting network operated by CSL Computer Service Langenbach GmbH in Germany, registered with RIPE. It has 3 IPv4 prefixes with 139,264 addresses and 1 IPv6 prefix, which makes it the 1,704th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses139,264in 3 prefixes
IPv6 prefixes1≈ 2.0 × 10²⁸ addresses
Size rank#1,704of 82,200 active ASNs
Details
OrganizationCSL Computer Service Langenbach GmbH · hosting provider profile
AS nameCSL
Websitecsl.de
Country Germany (DE)
Network typeHosting
RegistryRIPE
Abuse contactabuse@nrw.net
Registered1970-01-01
Last updated2023-10-30
IPv4 prefixes
3 prefixes · 139,264 addresses| Network | Addresses | First – last address |
|---|---|---|
| 159.25.0.0/16 | 65,536 | 159.25.0.0 – 159.25.255.255 |
| 194.245.0.0/16 | 65,536 | 194.245.0.0 – 194.245.255.255 |
| 194.176.0.0/19 | 8,192 | 194.176.0.0 – 194.176.31.255 |
159.25.0.0/16 194.245.0.0/16 194.176.0.0/19
IPv6 prefixes
1 prefix- 2a01:4fc0::/34
2a01:4fc0::/34
Query AS5517 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=AS5517&key=YOUR_API_KEY"Any address in its prefixes resolves to AS5517, with or without a key:
curl "https://api.ipapi.is/?q=159.25.0.1"Largest networks in Germany
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