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AS203892
AS203892 FLOW Flow Swiss AG
FLOW Flow Swiss AG · registered in Switzerland
IPv4 addresses 1,024 1 prefixes · <0.001% of announced IPv4
Rank in Switzerland #408 largest network in CH by IPv4 space, of 741 · <0.01% of CH
Rank worldwide #39,954 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 1 prefix, in address order.
Other ASNs named FLOW Flow Swiss AG
2 other networks use the same organisation name; together with AS203892 they announce 3,840 IPv4 addresses.
Similar-sized networks in Switzerland
ASN Name IPv4 addresses
AS202172 #405 MIGADU Migadu-Mail Gmbh1,024
AS202411 #406 FLOW-ZRH2 Flow Swiss AG1,024
AS202850 #407 ACTIVATEL Activatel Holding GmbH1,024
AS204178 #409 WINET Winet Voicetec Solutions AG1,024
AS204590 #410 SWISS-AS Swiss International Air Lines AG1,024
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