AS204877 de-kupper Kupper IT GmbH

de-kupper Kupper IT GmbH · registered in Germany

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in Germany#1,119largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#29,992of 79,396 networks with IPv4

IPv68 x /32 (524,288 x /48)1 prefixes

CountryGermany2,599 ASNs registered there

Open AS204877 in ASN lookup Look up an IP in this network (185.141.120.1) All networks in Germany

IPv4 prefixes

All 1 prefix, in address order.

185.141.120.0/22

IPv6 prefixes

All 1 prefix.

2a0d:ff00::/29

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AS205435#1120 gisa-as GISA GmbH1,024

AS205477#1121 Sennheiser-KG Sennheiser Electronic SE1,024

AS205807#1122 ESH Essener Systemhaus1,024

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