Data as of Nov 11, 2026
137.83.158.0/24
No anonymizer space · no proxy exits in 30 daysZscaler Switzerland GmbH · space held by Zscaler, Inc.
Operators, sellers and brokers
Corporate gateways
| Name | Parent | In 137.83.158.0/24 | /24s |
|---|---|---|---|
| Zscaler | 256100% | 1 |
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 |
|---|---|---|---|---|---|---|
| 137.83.128.0/18 | 16,384 | ZSCAL | Zscaler, Inc. (ZSCAL) · US | Direct Allocation | Jan 30, 2019 | poc-abuse@ |
| └ 137.83.158.0/24 | 256 | ZSCALER-FRA4 | Zscaler, Inc. (C07576765) · DE | Reassigned | Jul 1, 2020 | poc-abuse@ 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
Registry
Holder
- Organization
- Zscaler, Inc.
- Handle
- ZSCAL
- Range
- 137.
83. 128. 0/ 18 - Registration type
- Direct Allocation
- Record created
- Jan 30, 2019
Origin network
AS62044
CH
- Name
- Zscaler Switzerland GmbH
- Type
- Business
- Registered
- Mar 7, 2014
- Domain
- zscaler.com
- Website
- www.zscaler.com
- Industry
- Service
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2020
- Current origin since
- Jul 2020 · 6.4 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 137.
83. 158. 0/ 24 - Netname
- ZSCALER-FRA4
- Registrant
- Zscaler, Inc.
- Organization
- Zscaler, Inc. (C07576765)
- Type
- Reassigned
- Handle
- NET-137-83-158-0-1
- Parent
- NET-137-83-128-0-1
- Created
- Jul 1, 2020
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 30, 2019
- Status
- assigned
Report abuse
Abuse contact
- poc-abuse@
zscaler. com - Name
- poc-abuse
- Phone
- +1-408-701-0534
- Handle
- POCAB2-ARIN