AS47743 IRE-NASU-AS Usikov Institute of Radiophysics and Electronics of National Academy of Sciences of Ukraine

IRE-NASU-AS Usikov Institute of Radiophysics and Electronics of National Academy of Sciences of Ukraine · registered in Ukraine

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Ukraine#1,169largest network in UA by IPv4 space, of 1,527 · <0.01% of UA

Rank worldwide#67,394of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUkraine1,564 ASNs registered there

Open AS47743 in ASN lookup Look up an IP in this network (91.208.94.1) All networks in Ukraine

IPv4 prefixes

All 1 prefix, in address order.

91.208.94.0/24

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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