| AS Number | 53813 |
|---|---|
| AS Name | ZSCALER-INC |
| Organization | ZSCALER, INC.(zscal) |
| Country | US |
| Website | zscaler.com |
| Number of IPv4 Routes | 276 |
| Number of IPv6 Routes | 28 |
| ASN type | BUSINESS |
| Allocation Status | |
| Registry | ARIN |
| Date Allocated | N/A |
| Route | # IPs |
|---|---|
| 164.137.188.0/24 | 256 |
| 165.225.104.0/23 | 512 |
| 164.137.191.0/24 | 256 |
| 164.137.163.0/24 | 256 |
| 2400:7aa0:2400::/40 | ~309×10²⁴ |
| 164.137.69.0/24 | 256 |
| 165.225.234.0/23 | 512 |
| 147.161.198.0/23 | 512 |
| 137.83.152.0/24 | 256 |
| buy plan | ~309×10²⁴ |
| buy plan | 512 |
| buy plan | 512 |
| buy plan | 512 |
| buy plan | 256 |
#
# 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 1997-2025, 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
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: 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
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
#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#
| AS Number | Description | Country |
|---|---|---|
| AS55410 | Vodafone India Limited | IN |
| AS45267 | Lightwire LTD | NZ |
| AS2500 | WIDE Project | JP |
| AS38880 | Micron21 Datacentre Pty Ltd | AU |
| AS4777 | Asia Pacific Network Information Centre | JP |
| AS45352 | IP ServerOne Solutions Sdn Bhd | MY |
| AS134942 | Ashok Secure Broadband Network Pvt Ltd | IN |
| AS45437 | Real World - The Core | AU |
| 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 |
| AS17433 | Hytron Network Services Limited | HK |
| AS7473 | Singapore Telecommunications Ltd | SG |
| AS142271 | DoubleSquare Networks Inc. | PH |
| AS134823 | Sky Digital Co., Ltd. | TW |
| AS398465 | Rackdog, LLC | US |
| AS9583 | Sify Limited | IN |
| buy plan | Japan Network Information Center | JP |
| buy plan | Aperture Science Limited | HK |
| buy plan | PT. Saranainsan Mudaselaras | ID |
| buy plan | xTom Pty Ltd | AU |
| buy plan | GSL Networks Pty LTD | AU |
| 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 |
| AS9957 | KINX | KR |
| buy plan | Joint Stock Company TransTeleCom | RU |
| buy plan | AboveNet Communications Taiwan Co., Ltd | TW |
| buy plan | Aperture Science Limited | HK |
| buy plan | GSL Networks Pty LTD | AU |
| buy plan | VOCUS PTY LTD | AU |
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