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	Prefix	Description
	199.168.149.0/24	ZSCALER, INC.
	199.168.150.0/24	Zscaler, Inc.
	2605:4300:fe00::/48	ZSCALER, INC.
	2605:4300:fe01::/48	ZSCALER, INC.
	2605:4300:ff00::/48	ZSCALER, INC.
	2605:4300:ff00::/40	ZSCALER, INC.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS7018	AT&T Enterprises, LLC	✔	✔
	AS6461	Zayo Bandwidth	✔	✘
	AS22616	ZSCALER, INC.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS7018	AT&T Enterprises, LLC	✔	✔
	AS6461	Zayo Bandwidth	✔	✘
	AS22616	ZSCALER, INC.	✔	✘

ASHandle:       AS62907
OrgID:          ZSCAL
ASName:         ZSCALER-CORP
ASNumber:       62907
RegDate:        2013-11-14
Updated:        2025-03-18
Source:         ARIN



OrgID:          ZSCAL
OrgName:        ZSCALER, INC.
CanAllocate:    
Street:         120 Holger Way
City:           San Jose
State/Prov:     CA
Country:        US
PostalCode:     95134
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:        For network or security incidents, please reach out to our abuse POC, which is actually monitored and actioned.
RegDate:        2011-03-18
Updated:        2025-11-06
OrgAdminHandle: CHANG452-ARIN
OrgTechHandle:  MMT31-ARIN
OrgTechHandle:  POCTE3-ARIN
OrgAbuseHandle: POCAB2-ARIN
OrgNOCHandle:   POCNO1-ARIN
Source:         ARIN





OrgAdminHandle:       CHANG452-ARIN
OrgAdminName:         Yulin Chang
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        MMT31-ARIN
OrgTechName:          Michael Teng
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        POCTE3-ARIN
OrgTechName:           poc-tech
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       POCAB2-ARIN
OrgAbuseName:          poc-abuse
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         POCNO1-ARIN
OrgNOCName:            poc-noc
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-26T03:34:48Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-zscaler	4
RADB	as-zscaler-inc	1
RADB	as-wave-customers	4075
LEVEL3	as-telepacific	167
ALTDB	as-fiberinternetcenter	8