ASN Lookup Tool

ZSCALER, INC. zscaler.com US US 378 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 347
Number of IPv6 Routes 31
ASN type BUSINESS
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
147.161.198.0/23 512
167.103.140.0/23 512
164.137.188.0/24 256
137.31.18.0/24 256
175.107.130.0/23 512
165.225.104.0/23 512
167.103.146.0/23 512
164.137.191.0/24 256
164.137.163.0/24 256
101.2.252.0/23 512
167.103.228.0/23 512
164.137.69.0/24 256
165.225.234.0/23 512
137.83.152.0/24 256
175.107.148.0/23 512
205.220.22.0/23 512
167.103.76.0/23 512
167.103.49.0/24 256
167.103.66.0/23 512
2400:7aa0:1200::/40 ~309×10²⁴
167.103.88.0/23 512
101.2.197.0/24 256
167.103.112.0/23 512
101.2.238.0/23 512
205.220.16.0/23 512
167.103.110.0/24 256
164.137.160.0/24 256
101.2.226.0/23 512
147.161.204.0/23 512
167.103.39.0/24 256
167.103.41.0/24 256
167.103.70.0/23 512
175.107.136.0/23 512
136.226.244.0/23 512
164.137.173.0/24 256
164.137.171.0/24 256
2400:7aa0:1d00::/40 ~309×10²⁴
147.161.192.0/23 512
209.55.150.0/24 256
167.103.142.0/23 512
167.103.158.0/23 512
167.103.37.0/24 256
167.103.40.0/24 256
165.225.105.0/24 256
205.220.76.0/23 512
165.225.116.0/23 512
167.103.60.0/23 512
175.107.186.0/23 512
164.137.159.0/24 256
101.2.232.0/23 512
167.103.164.0/23 512
175.107.142.0/23 512
175.107.152.0/23 512
101.2.246.0/24 256
167.103.232.0/23 512
165.225.104.0/24 256
209.55.204.0/24 256
164.137.187.0/24 256
136.226.89.0/24 256
101.2.208.0/24 256

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:       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

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

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

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


#
# 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
AS55410 Vodafone India Limited IN
AS45267 Lightwire LTD NZ
AS59139 PT Wifiku Indonesia ID
AS2500 WIDE Project JP
AS38880 Micron21 Datacentre Pty Ltd AU
AS4777 Asia Pacific Network Information Centre JP
AS55329 Telcotech Ltd. KH
AS14537 Continent 8 LLC US
AS45352 IP ServerOne Solutions Sdn Bhd MY
AS45437 Real World - The Core AU
AS4229 Zenlayer Inc US
AS4777 APNIC COLO Asia Pacific Network Information Centre AU
AS8529 Zain Omantel International FZ-LLC AE
AS199524 G-Core Labs S.A. LU
AS14907 Wikimedia Foundation Inc. US
AS4755 Tata Communications (formerly VSNL) IN
AS141805 Hubcom Techno System Llp IN
AS7473 Singapore Telecommunications Ltd SG
AS61138 Zappie Host LLC US
AS134823 Sky Digital Co., Ltd. TW
AS398465 Rackdog, LLC US
AS56258 PT. PGAS TELEKOMUNIKASI NUSANTARA ID
AS9583 Sify Limited IN
AS32590 Valve Corporation US
AS135895 Centorrino Technologies Pty Ltd AU
AS1828 Unitas Global US
AS1299 Arelion Sweden AB SE
AS136308 Deenet Networks Private Limited IN
AS38001 NewMedia Express Pte Ltd SG
AS136106 PT. Mega Akses Persada ID
AS139288 Twish Tech AU
AS17408 Maintain by Chief Telecom TW
AS38158 PT. Cyberindo Aditama ID
AS132884 Summit Communications Limited BD
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS4788 TM TECHNOLOGY SERVICES SDN. BHD. MY
AS142271 EWS DS Networks Inc PH
AS133950 Hoopla Hosting Limited NZ
AS45701 PT. Internet Madju Abad Milenindo ID
AS24516 Virtutel Pty Ltd AU
AS61292 Blix Group AS NO
AS4826 Vocus Connect International Backbone AU
AS18041 Taiwan Digital Streaming Co. TW
AS8849 Melbikomas UAB LT
AS2516 KDDI CORPORATION JP
AS17660 DrukNet ISP BT
AS9583 Sify Ltd IN
AS1221 Telstra Limited AU
AS136557 Host Universal Pty Ltd AU
AS142289 Roxonic Systems NL
AS7594 On Q AU
AS23764 China Telecom Global Limited HK
AS151326 DCConnect Communication Pte. Ltd. SG
AS133210 EN Technologies Pte Ltd SG
AS23764 CTGNet HK
AS10026 Telstra International Limited JP
AS39120 Convergenze S.p.A. IT
AS215859 Hetzner Online GmbH DE
AS23947 PT.Mora Telematika Indonesia ID
AS9002 RETN Limited GB

Upstreams

AS Number Description Country
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
AS9957 KINX KR
AS24115 Equinix Asia Pacific Pte Ltd SG
AS2516 KDDI CORPORATION JP
AS45267 Lightwire Limited NZ
AS64073 VETTA TRADING LIMITED NZ
AS1221 Telstra Limited AU
AS15802 Emirates Integrated Telecommunications Company PJSC AE
AS23764 China Telecom Global Limited HK
AS2518 BIGLOBE Inc. JP
AS4637 Telstra International Limited HK
AS4755 Tata Communications Limited IN
AS10026 Telstra International Limited JP
AS55410 Vodafone Idea Ltd. VIL IN
AS60068 Datacamp Limited GB
AS39120 Convergenze S.p.A. IT
AS8220 COLT Technology Services Group Limited GB
AS9583 Sify Limited IN
AS9002 RETN Limited GB
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
AS137409 GSL Networks Pty LTD AU
AS17408 Maintain by Chief Telecom TW
AS4826 VOCUS PTY LTD AU

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.