AS51401 arvato-systems-AS Arvato Systems GmbH

arvato-systems-AS Arvato Systems GmbH · registered in Germany

IPv4 addresses3,5843 prefixes · <0.001% of announced IPv4

Rank in Germany#645largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#16,959of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryGermany2,599 ASNs registered there

Open AS51401 in ASN lookup Look up an IP in this network (83.137.32.1) All networks in Germany

IPv4 prefixes

All 3 prefixes, in address order.

83.137.32.0/21
185.91.104.0/22
193.28.78.0/23

IPv6 prefixes

All 1 prefix.

2a01:be80::/32

Other ASNs named arvato-systems-AS Arvato Systems GmbH

1 other network uses the same organisation name; together with AS51401 they announce 92,672 IPv4 addresses.

ASNNameIPv4 addresses

AS33873arvato-systems-AS Arvato Systems GmbH DE89,088

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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