ASN Lookup Tool

Zscaler, Inc. zscaler.com US US 392 Routes

AS Data

AS53813

AS53813 – Zscaler, Inc.

AS Number 53813
AS Name ZSCALER-INC
Organization Zscaler, Inc. (zscal)
Country US
Website zscaler.com
Number of IPv4 Routes 359
Number of IPv6 Routes 31
ASN type HOSTING
Registry ARIN
Date Allocated 2011-06-03

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Use ASN data for AS53813 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2a03:eec0:3223::/48 ~1×10²⁴
136.226.254.0/23 512
101.2.244.0/23 512
161.151.240.0/24 256
209.55.213.0/24 256
2400:7aa0:2500::/40 ~309×10²⁴
159.254.204.0/24 256
137.31.92.0/23 512
205.220.80.0/24 256
101.2.224.0/23 512
167.103.208.0/23 512
101.2.230.0/23 512
205.220.74.0/23 512
168.183.193.0/24 256
165.225.120.0/23 512
209.55.207.0/24 256
147.161.220.0/23 512
167.103.114.0/23 512
164.137.174.0/24 256
209.55.130.0/24 256
137.31.118.0/24 256
167.103.2.0/23 512
205.220.20.0/23 512
167.103.124.0/23 512
167.103.118.0/23 512
161.151.234.0/24 256
209.55.208.0/24 256
175.107.146.0/23 512
167.103.84.0/24 256
167.103.36.0/24 256
101.2.241.0/24 256
175.107.136.0/23 512
137.83.145.0/24 256
168.183.192.0/24 256
101.2.240.0/24 256
101.2.248.0/23 512
167.103.254.0/23 512
101.2.218.0/23 512
167.103.132.0/23 512
136.226.224.0/23 512
164.137.171.0/24 256
167.103.192.0/23 512
164.137.58.0/24 256
2a03:eec0:3224::/48 ~1×10²⁴
164.137.165.0/24 256
167.103.16.0/23 512
164.137.170.0/24 256
165.225.226.0/23 512
161.151.235.0/24 256
205.220.98.0/24 256
167.103.85.0/24 256
167.103.252.0/23 512
167.103.64.0/23 512
136.226.230.0/23 512
136.226.222.0/23 512
137.31.173.0/24 256
167.103.134.0/23 512
137.31.138.0/23 512
101.2.207.0/24 256
167.103.46.0/23 512

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:       53813
ASName:         ZSCALER-INC
ASHandle:       AS53813
RegDate:        2011-06-03
Updated:        2013-04-23
Ref:            https://rdap.arin.net/registry/autnum/53813



OrgName:        ZSCALER, INC.
OrgId:          ZSCAL
Address:        120 Holger Way
City:           San Jose
StateProv:      CA
PostalCode:     95134
Country:        US
RegDate:        2011-03-18
Updated:        2025-11-06
Comment:        Zscaler customer traffic originates from colocation facilities around the world. You should *NOT* use the address or contact information here for the purposes of geolocation. Additionally, because traffic egressing our network may belong to any one of our customers, you should not assume that this traffic belongs to us.
Comment:        
Comment:        For network or security incidents, please reach out to our abuse POC, which is actually monitored and actioned.
Ref:            https://rdap.arin.net/registry/entity/ZSCAL


OrgNOCHandle: POCNO1-ARIN
OrgNOCName:   poc-noc
OrgNOCPhone:  +1-408-701-0534 
OrgNOCEmail:  poc-noc@zscaler.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/POCNO1-ARIN

OrgTechHandle: MMT31-ARIN
OrgTechName:   Teng, Michael Michael
OrgTechPhone:  +1-650-937-9195 
OrgTechEmail:  mteng@zscaler.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MMT31-ARIN

OrgTechHandle: POCTE3-ARIN
OrgTechName:   poc-tech
OrgTechPhone:  +1-408-701-0534 
OrgTechEmail:  poc-tech@zscaler.com
OrgTechRef:    https://rdap.arin.net/registry/entity/POCTE3-ARIN

OrgAbuseHandle: POCAB2-ARIN
OrgAbuseName:   poc-abuse
OrgAbusePhone:  +1-408-701-0534 
OrgAbuseEmail:  poc-abuse@zscaler.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/POCAB2-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
AS2500 WIDE Project JP
AS38880 Micron21 Datacentre Pty Ltd AU
AS14537 Continent 8 LLC US
AS45352 IP ServerOne Solutions Sdn Bhd MY
AS134942 Ashok Secure Broadband Network Pvt Ltd IN
AS4229 Zenlayer Inc US
AS4777 APNIC COLO Asia Pacific Network Information Centre AU
AS216211 CYBERVERSE LLC US
AS14907 Wikimedia Foundation Inc. US
AS58511 Anycast Holdings Pty Ltd AU
AS45629 JasTel Network Company Limited TH
AS51847 Nearoute Limited HK
AS141805 Hubcom Techno System Llp IN
AS61138 Zappie Host LLC US
AS398465 Rackdog, LLC US
AS134823 Sky Digital Co., Ltd. TW
AS58495 PT Parsaoran Global Datatrans ID
AS9583 Sify Limited IN
AS32590 Valve Corporation US
AS58717 Summit Communications Limited BD
AS63516 Transhybrid Internet Xchange ID
AS15412 Global Cloud Xchange GB
AS1828 Unitas Global US
AS1299 Arelion Sweden AB SE
AS4764 Aussie Fibre Pty Ltd AU
AS136308 Deenet Networks Private Limited IN
AS141137 Internet Service Provider / Member IDNIC ID
AS38001 NewMedia Express Pte Ltd SG
AS139288 Twish Tech AU
AS136106 PT. Mega Akses Persada ID
AS136011 Raphvision Electronic Unipessoal Lda TL
AS17408 Maintain by Chief Telecom TW
AS56258 Corporate / Direct Member IDNIC ID
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS132884 Summit Communications Limited BD
AS55900 GLBB Japan KK JP
AS133950 Hoopla Hosting Limited NZ
AS24516 Virtutel Pty Ltd AU
AS61292 Blix Group AS NO
AS10111 Zeofast Network CN
AS63927 RISE ASIA TECHNOLOGY LIMITED PH
AS7713 Telekomunikasi Indonesia PT ID
AS18041 Taiwan Digital Streaming Co. TW
AS8849 Melbikomas UAB LT
AS9280 Servers Australia Pty. Ltd AU
AS45437 Real World Technology Solutions Pty Ltd AU
AS132337 AXCLUSIVE PTE. LTD. SG
AS45796 UIH / BB Connect TH
AS135607 Infinivan Inc. PH
AS2516 KDDI CORPORATION ZZ
AS1221 Telstra Limited AU
AS136557 Host Universal Pty Ltd AU
AS142289 Roxonic Systems NL
AS17660 Bhutan Telecom Ltd BT
AS23764 China Telecom Global Limited HK
AS151326 DCConnect Communication Pte. Ltd. SG
AS133210 EN Technologies Pte Ltd SG
AS135817 ESTO MEDIA PRIVATE LIMITED IN
AS39120 Convergenze S.p.A. IT
AS215859 Hetzner Online GmbH DE

Upstreams

AS Number Description Country
AS24482 SG.GS SG
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS9304 HGC Global Communications Limited HK
AS3786 LG DACOM Corporation KR
AS9498 Bharti Airtel Limited IN
AS9318 SK Broadband Co Ltd KR
AS6939 Hurricane Electric LLC US
AS4635 The Hong Kong Internet Exchange Limited HK
AS2914 NTT America, Inc. US
AS18041 Taiwan Digital Streaming Co. TW
AS24115 Equinix Asia Pacific Pte Ltd SG
AS45267 Lightwire Limited NZ
AS64073 VETTA TRADING LIMITED NZ
AS2516 KDDI CORPORATION ZZ
AS1221 Telstra Limited AU
AS15802 Emirates Integrated Telecommunications Company PJSC AE
AS2518 BIGLOBE Inc. JP
AS4637 Telstra International Limited HK
AS4755 Tata Communications Limited IN
AS60068 Datacamp Limited GB
AS55410 Vodafone Idea Ltd. VIL IN
AS8220 COLT Technology Services Group Limited GB
AS9002 RETN Limited GB
AS9583 Sify Limited IN
AS7473 Singapore Telecommunications SINGTEL Internet Exchange SG
AS55836 Reliance Jio Infocomm Limited IN
AS4788 TM TECHNOLOGY SERVICES SDN BHD MY
AS7575 Australian Academic and Research Network AU
AS1299 Arelion Sweden AB SE
AS20485 Joint Stock Company TransTeleCom RU
AS38008 Aperture Science Limited HK
AS3356 Level 3 Parent, LLC US
AS4826 VOCUS PTY LTD AU
AS17408 Maintain by Chief Telecom TW

Contacts

Email Contacts

poc-tech@zscaler.com mteng@zscaler.com

Abuse Contacts

poc-abuse@zscaler.com

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Frequently Asked Questions

ASN AS53813 is an Autonomous System Number used to identify a network for BGP internet routing.
AS53813 is listed under Zscaler, Inc..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.