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AS64202 Chelsio Communications, 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

Chelsio Communications, Inc. chelsio.com

US 1 Routes

AS Data

AS64202

AS64202 – Chelsio Communications, Inc.

AS Number	64202
AS Name	CHELSIO
Organization	Chelsio Communications, Inc.(cc-1583)
Country	US
Website	chelsio.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2015-08-28

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Use ASN data for AS64202 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
12.32.117.0/24	AS64202	Chelsio Communications, Inc.	AT&T Enterprises, LLC	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:       64202
ASName:         CHELSIO
ASHandle:       AS64202
RegDate:        2015-08-28
Updated:        2015-08-28    
Ref:            https://rdap.arin.net/registry/autnum/64202


OrgName:        Chelsio Communications, Inc.
OrgId:          CC-1583
Address:        735 N Pastoria Ave
City:           Sunnyvale
StateProv:      CA
PostalCode:     94085
Country:        US
RegDate:        2015-08-20
Updated:        2021-08-17
Ref:            https://rdap.arin.net/registry/entity/CC-1583


OrgNOCHandle: HWANG10-ARIN
OrgNOCName:   Hwang, Jeff 
OrgNOCPhone:  +1-408-888-0324 
OrgNOCEmail:  jhwang@chelsio.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/HWANG10-ARIN

OrgAbuseHandle: HWANG10-ARIN
OrgAbuseName:   Hwang, Jeff 
OrgAbusePhone:  +1-408-888-0324 
OrgAbuseEmail:  jhwang@chelsio.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HWANG10-ARIN

OrgTechHandle: HWANG10-ARIN
OrgTechName:   Hwang, Jeff 
OrgTechPhone:  +1-408-888-0324 
OrgTechEmail:  jhwang@chelsio.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HWANG10-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
AS7018	AT&T Enterprises, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US

Frequently Asked Questions

What is ASN AS64202?

ASN AS64202 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS64202?

AS64202 is listed under Chelsio Communications, 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.