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Data as of Nov 15, 2026

220.42.18.0/24

No anonymizer space · no proxy exits in 30 days

Zscaler, Inc. · space held by Zscaler Switzerland GmbH

Announcement
220.42.18.0/23
RPKI valid
Announced by
AS53813
Type
Corporate gateway
Risk
20 / 100 · Low
Recent change
New origin Nov 14, 2026
its first announcement on record

Operators, sellers and brokers

Corporate gateways

NameParentIn 220.42.18.0/24/24s
Zscaler
256100%
1

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
220.42.0.0/16
since Mar 2026
AS22616Corporate gatewayZscaler Switzerland GmbH

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
220.42.0.0/15131,072CH-ZSCALER1-20020412Zscaler Switzerland GmbH (ORG-ZSG1-RIPE) · CHALLOCATED PAMar 27, 2026poc-abuse@zscaler.com
└ 220.42.18.0/23512ZSCALER-SYDNEYZscaler SydneyASSIGNED PANov 3, 2026poc-abuse@zscaler.com
via CH-ZSCALER1-20020412

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
Announced by

Covering announcement 220.42.18.0/23

Prefix
220.42.18.0/23
Announced by
AS53813 Zscaler, Inc.
Type
Corporate gateway
RPKI
RPKI valid
Netname
ZSCALER-SYDNEY
Registrant
Zscaler Sydney
RIR
RIPE NCC
Registry

Holder

Organization
Zscaler Switzerland GmbH
Handle
ORG-ZSG1-RIPE
Range
220.42.0.0/15
Registration type
ALLOCATED PA
Record created
Mar 27, 2026
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