Data as of Nov 7, 2026
165.225.72.0/23
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 165.225.72.0/23 | /24s |
|---|---|---|---|
| Zscaler | 512100% | 2 |
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 165.225.72.0/22 since Aug 2015 | AS62044 | Corporate gateway | Zscaler, Inc. | ||
| 165.225.0.0/17 since Feb 2015 | AS22616 | Corporate gateway | 36 | Zscaler, 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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 165.225.0.0/17 | 32,768 | ZSCAL | Zscaler, Inc. (ZSCAL) · US | Direct Allocation | Nov 14, 2014 | poc-abuse@ |
| └ 165.225.72.0/24 | 256 | ZSCALER-FRA4 | unknown | — | — | — |
| └ 165.225.73.0/24 | 256 | ZSCALER-FRA4 | unknown | — | — | — |
Network & registry
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2015
- Current origin since
- Aug 2015 · 11 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 165.225.72.0/23 | AS62044 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS62044 | RADB | Zscaler FRA4 | MAINT-AS53444 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 165.225.72.0/24 | AS62044 | RADB | Zscaler FRA4 | MAINT-AS53444 | Nov 13, 2023 |
| 165.225.73.0/24 | AS62044 | RADB | Zscaler FRA4 | MAINT-AS53444 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 165.
225. 0. 0/ 17 - Netname
- ZSCAL
- Registrant
- Zscaler, Inc.
- Organization
- Zscaler, Inc. (ZSCAL)
- Org address
- 4401 Great America Pkwy, Santa Clara, CA, 95054
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-165-225-0-0-1
- Parent
- NET-165-0-0-0-0
- Created
- Nov 14, 2014
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 14, 2014
- Status
- assigned
Report abuse
Abuse contact
- poc-abuse@
zscaler. com - Name
- poc-abuse
- Phone
- +1-408-701-0534
- Handle
- POCAB2-ARIN