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AS396333 Cywest 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

Cywest Communications, Inc. cywest.com

US 1 Routes

AS Data

AS396333

AS396333 – Cywest Communications, Inc.

AS Number	396333
AS Name	CYWEST-COMMUNICATIONS
Organization	Cywest Communications, Inc. (cc-2529)
Country	US
Website	cywest.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2017-05-09

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Use ASN data for AS396333 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
104.225.215.0/24	AS396333	Cywest Communications, Inc.	Cywest Communications, 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:       396333
ASName:         CYWEST-COMMUNICATIONS
ASHandle:       AS396333
RegDate:        2017-05-09
Updated:        2017-05-09
Ref:            https://rdap.arin.net/registry/autnum/396333


OrgName:        Cywest Communications, Inc.
OrgId:          CC-2529
Address:        26741 Portola Parkway, Suite 1E-224
City:           Foothill Ranch
StateProv:      CA
PostalCode:     92610
Country:        US
RegDate:        2017-04-24
Updated:        2017-05-31
Ref:            https://rdap.arin.net/registry/entity/CC-2529


OrgTechHandle: NOORI11-ARIN
OrgTechName:   Nooriala, Cyrus 
OrgTechPhone:  +1-949-544-1454 
OrgTechEmail:  abuse@cywest.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOORI11-ARIN

OrgAbuseHandle: NOORI11-ARIN
OrgAbuseName:   Nooriala, Cyrus 
OrgAbusePhone:  +1-949-544-1454 
OrgAbuseEmail:  abuse@cywest.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOORI11-ARIN

OrgNOCHandle: NOORI11-ARIN
OrgNOCName:   Nooriala, Cyrus 
OrgNOCPhone:  +1-949-544-1454 
OrgNOCEmail:  abuse@cywest.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOORI11-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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "396333",
    "as_handle" : "AS396333",
    "as_name" : "CYWEST-COMMUNICATIONS",
    "tech_contacts" : [ "NOORI11-ARIN" ],
    "abuse_contacts" : [ "NOORI11-ARIN" ],
    "date_created" : "2017-05-09",
    "date_updated" : "2017-05-09",
    "source" : "https://rdap.arin.net/registry/autnum/396333"
  } ],
  "organization" : {
    "handle" : "CC-2529",
    "name" : "Cywest Communications, Inc.",
    "address" : [ "26741 Portola Parkway, Suite 1E-224", "Foothill Ranch", "CA", "92610", "US" ],
    "street" : "Portola Parkway",
    "city" : "Foothill Ranch",
    "state" : "CA",
    "zip_code" : "92610",
    "country" : [ "US" ],
    "date_created" : "2017-04-24",
    "date_updated" : "2017-05-31",
    "source" : "https://rdap.arin.net/registry/entity/CC-2529",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NOORI11-ARIN",
    "name" : "Nooriala, Cyrus",
    "email" : [ "abuse@cywest.com" ],
    "phone" : [ "+1-949-544-1454" ],
    "source" : "https://rdap.arin.net/registry/entity/NOORI11-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NOORI11-ARIN",
    "name" : "Nooriala, Cyrus",
    "email" : [ "abuse@cywest.com" ],
    "phone" : [ "+1-949-544-1454" ],
    "source" : "https://rdap.arin.net/registry/entity/NOORI11-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS12213	Centersquare	US

Upstreams

AS Number	Description	Country
AS12213	Centersquare	US

Frequently Asked Questions

What is ASN AS396333?

ASN AS396333 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS396333?

AS396333 is listed under Cywest 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.