Data as of Nov 11, 2026
147.161.210.0/23
No anonymizer space · no proxy exits in 30 daysZscaler, Inc. · space held by Zscaler Switzerland GmbH
Operators, sellers and brokers
Corporate gateways
| Name | Parent | In 147.161.210.0/23 | /24s |
|---|---|---|---|
| Zscaler | 512100% | 2 |
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 147.161.128.0/17 since Dec 2019 | AS22616 | Corporate gateway | 73 | Zscaler Switzerland GmbH |
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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 147.161.128.0/17 | 32,768 | ILJCT | Zscaler Switzerland GmbH (ORG-ZSG1-RIPE) · CH | LEGACY | Aug 5, 2019 | poc-abuse@ |
| └ 147.161.210.0/23 | 512 | ZSCALER-TOKYO | Zscaler Tokyo | LEGACY | Nov 6, 2025 | poc-abuse@ via ILJCT |
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
Registry
Holder
- Organization
- Zscaler Switzerland GmbH
- Handle
- ORG-ZSG1-RIPE
- Range
- 147.
161. 128. 0/ 17 - Registration type
- LEGACY
- Record created
- Aug 5, 2019
- Legacy
- yes
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
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2025
- Current origin since
- May 2025 · 1.5 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 147.161.210.0/23 | AS53813 | /24 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS53813 | RADB | Zscaler TYO4 | MAINT-AS53444 | Apr 10, 2025 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 147.161.210.0/24 | AS53813 | RADB | Zscaler TYO4 | MAINT-AS53444 | Apr 10, 2025 |
| 147.161.211.0/24 | AS53813 | RADB | Zscaler TYO4 | MAINT-AS53444 | Apr 10, 2025 |
Whois
Registration for this announcement
- Range
- 147.
161. 210. 0/ 23 - Netname
- ZSCALER-TOKYO
- Registrant
- Zscaler Tokyo
- Registrant country
- JP
- Organization
- Zscaler Tokyo
- Org country
- JP
- Type
- LEGACY
- Created
- Nov 6, 2025
- Updated
- Nov 6, 2025
- Maintainer
- ZSCALER-RIPE-MNT
- RIR
- RIPE NCC
- Country
- CH
- Delegated
- May 1, 1991
- Status
- assigned
Report abuse
Abuse contact
- poc-abuse@
zscaler. com - Name
- Zscaler Abuse Desk
- Handle
- ZA1089-RIPE