AS18625 Data I/O Corporation

DIO-6464 - Data I/O Corporation · registered in the United States

IPv4 addresses2,5603 prefixes · <0.001% of announced IPv4

Rank in United States#5,637largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#20,024of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS18625 in ASN lookup Look up an IP in this network (139.138.16.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

139.138.16.0/21
139.138.48.0/24
139.138.100.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS18491#5636 VTLA - NTT Global Networks Incorporated2,560

AS18630#5638 RIDLEYSD-NET - The Ridley School District2,560

AS18757#5639 TYCOIS - ADT Security Services, Inc.2,560

AS18776#5640 VALASSIS - Valassis Communications, Inc.2,560

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