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AS18720 Pacific Sunwear of California

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

Pacific Sunwear of California pacsun.com

US 1 Routes

AS Data

AS18720

AS18720 – Pacific Sunwear of California

AS Number	18720
AS Name	PACSUN
Organization	Pacific Sunwear of California(psc-121)
Country	US
Website	pacsun.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2000-10-03

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
12.155.228.0/24	AS18720	Pacific Sunwear of California	PACIFIC SUNWEAR OF CA 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:       18720
ASName:         PACSUN
ASHandle:       AS18720
RegDate:        2000-10-03
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/18720


OrgName:        Pacific Sunwear of California
OrgId:          PSC-121
Address:        3450 E. Miraloma Ave
City:           Anaheim
StateProv:      CA
PostalCode:     92806
Country:        US
RegDate:        2000-10-03
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/PSC-121


OrgTechHandle: DORRI-ARIN
OrgTechName:   Dorris, Jim 
OrgTechPhone:  +1-714-414-4116 
OrgTechEmail:  jdorris@pacsun.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DORRI-ARIN

OrgAbuseHandle: DORRI-ARIN
OrgAbuseName:   Dorris, Jim 
OrgAbusePhone:  +1-714-414-4116 
OrgAbuseEmail:  jdorris@pacsun.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DORRI-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
AS20001	Charter Communications Inc	US

Upstreams

AS Number	Description	Country
AS20001	Charter Communications Inc	US

Frequently Asked Questions

What is ASN AS18720?

ASN AS18720 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18720?

AS18720 is listed under Pacific Sunwear of California.

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.