Data as of Nov 15, 2026
165.225.4.0/23
No anonymizer space · no proxy exits in 30 daysZscaler, Inc.
Operators, sellers and brokers
Corporate gateways
| Name | Parent | In 165.225.4.0/23 | /24s |
|---|---|---|---|
| Zscaler | 512100% | 2 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Operator | Holder | RPKI |
|---|---|---|---|---|---|
| 165.225.4.0/24 since Jul 2021 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 165.225.5.0/24 since Jul 2021 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. |
Registrations in this block
The registry's network records over this block, widest first, each 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@ |
| └ 165.225.4.0/24 | 256 | ZSCALER-CHI1 | Zscaler, Inc. (C07264567) · US | Reassigned | Dec 18, 2018 | poc-abuse@ via ZSCAL |
| └ 165.225.5.0/24 | 256 | ZSCALER-CHI1 | Zscaler, Inc. (C07264568) · US | Reassigned | Dec 18, 2018 | 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
Announced by
Covering announcement 165.225.0.0/17
- Prefix
- 165.225.0.0/17
- Announced by
- AS22616 Zscaler, Inc.
- Type
- Corporate gateway
- Proxy exits
- 42
- RPKI
- No RPKI
- Netname
- ZSCAL
- Registrant
- Zscaler, Inc.
- RIR
- ARIN
Origin network
AS22616
US
- Name
- Zscaler, Inc.
- Type
- Business
- Registered
- May 28, 2014
- Domain
- zscaler.com
- Website
- www.zscaler.com
- Industry
- Service
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 165.225.0.0/17
165.225.0.0/17
Routing history
- Pattern
- Stable
- First seen
- Apr 2012
- Current origin since
- Feb 2015 · 12 yr
- Origin networks
- 3
- Last change of origin
- Feb 2015
Recorded history
History
- Handoffs
- 2
IRR
Route objects on 165.225.0.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS22616 | RADB | Zscaler | 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