AS397870 The Santa Fe Institute

SFI - The Santa Fe Institute · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,361largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,249of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS397870 in ASN lookup Look up an IP in this network (192.12.12.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

192.12.12.0/24

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ASNNameIPv4 addresses

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AS397874#17363 LUCASFILM-VAN - Lucasfilm Ltd. LLC256

AS397878#17364 DDI-HQ-ASN - DEVELOPMENT DIMENSIONS INTERNATIONAL INC256

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