AS40039 ALPHA AND OMEGA SEMICONDUCTOR INCORPORATED

ALPHA-N-OMEGA-AOS-40 - ALPHA AND OMEGA SEMICONDUCTOR INCORPORATED · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#15,476largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#66,252of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS40039 in ASN lookup Look up an IP in this network (50.202.172.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

50.202.172.0/24

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ASNNameIPv4 addresses

AS40018#15473 DENDREON-DENDREON-PHARMACEUTICALS-LLC-US - Dendreon Pharmaceuticals LLC256

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AS40053#15477 BIOWAREULCEDMONTON - Electronic Arts, Inc.256

AS40055#15478 THE-DOUGLAS-STEWART-COMPANY - THE DOUGLAS STEWART COMPANY256

AS40071#15479 IDIRECT - iDirect256

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