How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS397640 Core Scientific, Inc.

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Core Scientific, Inc. corescientific.com

US 1 Routes

AS Data

AS397640

AS397640 – Core Scientific, Inc.

AS Number	397640
AS Name	AS-CORESCI
Organization	Core Scientific, Inc.(cs-2476)
Country	US
Website	corescientific.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2019-06-14

ASN Intelligence API for production workflows

Use ASN data for AS397640 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
161.199.56.0/24	AS397640	Core Scientific, Inc.	Core Scientific, Inc.	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       397640
ASName:         AS-CORESCI
ASHandle:       AS397640
RegDate:        2019-06-14
Updated:        2019-06-14    
Ref:            https://rdap.arin.net/registry/autnum/397640


OrgName:        Core Scientific, Inc.
OrgId:          CS-2476
Address:        2800 Northup Way, Suite 220
City:           Bellevue
StateProv:      WA
PostalCode:     98004
Country:        US
RegDate:        2019-04-03
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/CS-2476


OrgTechHandle: MME76-ARIN
OrgTechName:   Merkel, Matt 
OrgTechPhone:  +1-425-822-1466 
OrgTechEmail:  mmerkel@corescientific.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MME76-ARIN

OrgAbuseHandle: MME76-ARIN
OrgAbuseName:   Merkel, Matt 
OrgAbusePhone:  +1-425-822-1466 
OrgAbuseEmail:  mmerkel@corescientific.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MME76-ARIN

OrgNOCHandle: MME76-ARIN
OrgNOCName:   Merkel, Matt 
OrgNOCPhone:  +1-425-822-1466 
OrgNOCEmail:  mmerkel@corescientific.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/MME76-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS174	Cogent Communications, LLC	US

Frequently Asked Questions

What is ASN AS397640?

ASN AS397640 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS397640?

AS397640 is listed under Core Scientific, Inc..

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.