LAYER3 INTEL
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Data as of Nov 9, 2026

165.225.228.0/23

No anonymizer space · no proxy exits in 30 days

Zscaler, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS53813
Type
Corporate gateway

Operators, sellers and brokers

Corporate gateways

NameParentIn 165.225.228.0/23/24s
Zscaler
512100%
2

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
165.225.192.0/18
since Feb 2015
AS22616Corporate gateway28Zscaler, Inc.
More specific

Announcements inside

PrefixOriginTypeOperatorHolderRPKI
165.225.228.0/24
since May 2024
AS53813Corporate gatewayCorporate gatewaysoperated by ZscalerZscaler, Inc.

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
165.225.192.0/1816,384ZSCALZscaler, Inc. (ZSCAL) · USDirect AllocationNov 14, 2014poc-abuse@zscaler.com
└ 165.225.228.0/23512ZSCALER-SEL1Zscaler, Inc (C11153438) · KRReassignedMar 31, 2025poc-abuse@zscaler.com
via ZSCAL

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Zscaler, Inc.
Handle
ZSCAL
Range
165.225.192.0/18
Registration type
Direct Allocation
Record created
Nov 14, 2014
Origin network

AS53813

US
Name
Zscaler, Inc.
Type
Business
Registered
Jun 3, 2011
Domain
zscaler.com
Website
www.zscaler.com
Industry
Service
Spamhaus ASN-DROP
not listed