US
AS53813
ZSCALER-INC
ZSCALER, INC. · www.zscaler.com
US ARIN Network Services RatioBalanced Peering PolicyOpen ScopeRegional IRRAS-ZSCALER-GLOBAL
356
IPv4 Prefixes
31
IPv6 Prefixes
···
Peers
···
Upstream
···
Downstream
30
IX Points
22
Facilities
95.5%
RPKI Valid Rate
IP Purity Address-space quality
Assessing the address space...
Network Topology Upstream/Downstream Data Source: RIPE Stat
Loading topology data...
Announced IP Prefixes 387
RPKI Valid 191 RPKI Invalid 0 Unsigned / Unknown 9 Sampled 200 / 387

IPv4 Prefixes 356

101.2.238.0/23101.2.240.0/24101.2.241.0/24101.2.242.0/23101.2.246.0/24101.2.248.0/23101.2.254.0/23164.137.56.0/24164.137.57.0/24164.137.58.0/24164.137.59.0/24164.137.69.0/24164.137.109.0/24164.137.159.0/24164.137.160.0/24164.137.161.0/24164.137.162.0/24164.137.163.0/24164.137.164.0/24164.137.165.0/24164.137.167.0/24164.137.168.0/24164.137.169.0/24164.137.170.0/24164.137.172.0/24164.137.173.0/24164.137.174.0/24164.137.175.0/24164.137.176.0/24164.137.177.0/24
Facilities 22 Click a point on the map to locate a facility
NameCityCountry
Equinix HK2 - Hong KongKwai ChungHK
Equinix OS1 - OsakaOsakaJP
Equinix ME1/ME2 - MelbourneMelbourneAU
Equinix SG3 - SingaporeSingaporeSG
Digital Realty Singapore SIN10SingaporeSG
Sify Greenfort - NoidaNoidaIN
Sify Airoli-DC- MumbaiMumbaiIN
Sify Tidel-DC- ChennaiChennaiIN
Nxtra Data Mumbai DC 2MumbaiIN
Equinix SY4 - SydneySydneyAU
Equinix TY7 - TokyoTokyoJP
DataCentre220AucklandNZ
Digital Realty Sydney SYD10Erskine ParkAU
Chief HD Building TaipeiTaipeiTW
Equinix SL1 - SeoulSeoulKR
Sify Global Delivery Center (Hyderabad)NanakaramgudaIN
Digital Realty Tokyo - NRT10Inzai-CityJP
Equinix CA1 - CanberraMitchellAU
Equinix PE2/PE3 - PerthShenton ParkAU
Digital Connexion MAA10 Chennai (Ambattur)ChennaiIN
Equinix KL1 - Kuala LumpurCyberjayaMY
CtrlS Kolkata DC1KolkataIN
Colocated Networks 30 Shared Data Center
ASNNameType Shared Facility
AS49915 Megaport Global Access NSP 12/22
AS55256 Netskope Network Services 8/22
AS174 Cogent Communications, Inc. NSP 8/22
AS137409 Global Secure Layer NSP 7/22
AS30103 Zoom Communications, Inc. NSP 7/22
AS35280 F5 Inc. Content 6/22
AS32934 Meta Content 6/22
AS13335 Cloudflare Content 6/22
AS9583 Sify Technologies Limited NSP 6/22
AS8075 Microsoft Content 6/22
AS6939 Hurricane Electric NSP 6/22
AS5400 BT NSP 6/22
AS400318 Versa Networks Content 5/22
AS139341 ACE CDN Content 5/22
AS136557 Host Universal NSP 5/22
AS135709 Lightstorm Telecom Connectivity Private Limited 5/22
AS63956 5G Networks NSP 5/22
AS60068 CDN77 Content 5/22
AS54113 Fastly, Inc. Content 5/22
AS44356 Epsilon NSP 5/22
Registration Info
AS Name
ZSCALER-AS53813
Organization
Zscaler - AS53813
Country/Region
US
Registration Date
Update Date
2023-11-13T15:47:50Z
Raw Whois Data
aut-num:        AS53813
as-name:        ZSCALER-AS53813
descr:          Zscaler - AS53813
admin-c:        ZS2-LEVEL3
tech-c:         ZS2-LEVEL3
import:         from AS-ANY accept ANY
export:         to AS-ANY announce AS53813
mnt-by:         ZSCALER-MNT
changed:        [email protected] 20150720
source:         LEVEL3

aut-num:        AS53813
as-name:        ZSCALER-AS53813
descr:          Zscaler - AS53813
import:         from AS-ANY   accept ANY
export:         to AS-ANY   announce AS53813
admin-c:        POCAD6-ARIN
tech-c:         POCTE3-ARIN
mnt-by:         MAINT-AS53444
changed:        [email protected] 20150717  #16:20:31Z
source:         RADB
last-modified:  2023-11-13T15:47:50Z




--- ARIN Whois ---


#
# 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/
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# 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:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/POCNO1-ARIN

OrgTechHandle: MMT31-ARIN
OrgTechName:   Teng, Michael Michael
OrgTechPhone:  +1-650-937-9195 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/MMT31-ARIN

OrgTechHandle: POCTE3-ARIN
OrgTechName:   poc-tech
OrgTechPhone:  +1-408-701-0534 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/POCTE3-ARIN

OrgAbuseHandle: POCAB2-ARIN
OrgAbuseName:   poc-abuse
OrgAbusePhone:  +1-408-701-0534 
OrgAbuseEmail:  [email protected]
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.
#