AS5517 CSL CSL Computer Service Langenbach GmbH

CSL CSL Computer Service Langenbach GmbH · registered in Germany

IPv4 addresses139,2643 prefixes · 0.004% of announced IPv4

Rank in Germany#42largest network in DE by IPv4 space, of 2,315 · 0.12% of DE

Rank worldwide#1,411of 79,396 networks with IPv4

IPv616,384 x /481 prefixes

CountryGermany2,599 ASNs registered there

Open AS5517 in ASN lookup Look up an IP in this network (159.25.0.1) All networks in Germany

IPv4 prefixes

All 3 prefixes, in address order.

159.25.0.0/16
194.176.0.0/19
194.245.0.0/16

IPv6 prefixes

All 1 prefix.

2a01:4fc0::/34

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AS197909#44 EDEKA-RS EDEKA Rechenzentrum Sued Betriebs GmbH133,376

AS24961#45 MYLOC-AS WIIT AG132,094

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources