AS397640 Core Scientific, Inc.

AS-CORESCI - Core Scientific, Inc. · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,303largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,184of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS397640 in ASN lookup Look up an IP in this network (161.199.56.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

161.199.56.0/24

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ASNNameIPv4 addresses

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AS397648#17304 CH3-ASN-01 - NORTH AMERICAN SCIENCE ASSOCIATES, LLC256

AS397652#17305 SMSC - SMSC256

AS397656#17306 CHI01-US-CENTRIEN-COM - Centrien256

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