AS52001 GROTRIAN-AS Christian Rolf Grotrian

GROTRIAN-AS Christian Rolf Grotrian · registered in Germany

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Germany#1,683largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#52,287of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryGermany2,599 ASNs registered there

Open AS52001 in ASN lookup Look up an IP in this network (91.221.182.1) All networks in Germany

IPv4 prefixes

All 1 prefix, in address order.

91.221.182.0/23

Similar-sized networks in Germany

ASNNameIPv4 addresses

AS50508#1680 FERRERO-MSC-GMBH-CO-KG FERRERO MSC GmbH & Co. KG512

AS50524#1681 STERL IBM Deutschland GmbH512

AS51061#1682 DECHEMA DECHEMA Gesellschaft fuer Chemische Technik und Biotechnologie e V512

AS52113#1684 CONET-SERVICES CONET Deutschland GmbH512

AS56440#1685 ADIDAS-AS adidas AG512

AS56801#1686 BNETZA Bundesnetzagentur fuer Elektrizitaet, Gas, Telekommunikation, Post und Eisenbahnen512

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