AS39788 DANNENBERG-AS Chaos Computer Club e.V.

DANNENBERG-AS Chaos Computer Club e.V. · registered in Germany

IPv4 addresses2558 prefixes · <0.001% of announced IPv4

Rank in Germany#2,315largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#79,380of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryGermany2,599 ASNs registered there

Open AS39788 in ASN lookup Look up an IP in this network (193.23.244.1) All networks in Germany

IPv4 prefixes

All 8 prefixes, in address order.

193.23.244.0/25
193.23.244.128/26
193.23.244.192/27
193.23.244.224/28
193.23.244.240/30
193.23.244.245/32
193.23.244.246/31
193.23.244.248/29

IPv6 prefixes

All 1 prefix.

2001:678:558::/48

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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