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AS21180
AS21180 AVENTIS-CROP-SCIENCE Bayer AG
AVENTIS-CROP-SCIENCE Bayer AG · registered in Germany
IPv4 addresses 512 1 prefixes · <0.001% of announced IPv4
Rank in Germany #1,645 largest network in DE by IPv4 space, of 2,315 · <0.01% of DE
Rank worldwide #50,256 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
Country Germany 2,599 ASNs registered there
IPv4 prefixes
All 1 prefix, in address order.
Similar-sized networks in Germany
ASN Name IPv4 addresses
AS15479 #1642 FibreLac euNetworks GmbH512
AS16017 #1643 HAGER-AS Hager Electro GmbH & Co. KG512
AS21063 #1644 RANTZAU-GRUPPE-AS DAL Deutsche Afrika-Linien GmbH & Co.KG512
AS21382 #1646 ZBS-AS ARD ZDF Deutschlandradio Beitragsservice512
AS28801 #1647 HRS Hotel Reservation Service Robert Ragge GmbH512
AS29042 #1648 HERMES-AS Hermes Europe GmbH512
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