AS201213 DA-RZ_AS DARZ GmbH

DA-RZ_AS DARZ GmbH · registered in Germany

IPv4 addresses5,6327 prefixes · <0.001% of announced IPv4

Rank in Germany#483largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#12,735of 79,396 networks with IPv4

IPv68 x /32 (524,289 x /48)2 prefixes

CountryGermany2,599 ASNs registered there

Open AS201213 in ASN lookup Look up an IP in this network (85.204.54.1) All networks in Germany

IPv4 prefixes

All 7 prefixes, in address order.

85.204.54.0/23
85.204.96.0/23
91.199.75.0/24
153.92.28.0/22
156.67.40.0/21
185.80.184.0/22
213.163.234.0/24

IPv6 prefixes

All 2 prefixes.

2001:678:dd8::/48
2a05:7f80::/29

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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