Data as of Nov 3, 2026
136.226.28.0/24
No anonymizer space · no proxy exits in 30 daysZscaler, Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Corporate gateway
Risk
20 / 100 · Low
Recent change
New origin Aug 2026
its first announcement on record
Operators, sellers and brokers
Corporate gateways
| Name | Parent | In 136.226.28.0/24 | /24s |
|---|---|---|---|
| Zscaler | 256100% | 1 |
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 136.226.0.0/16 since Oct 2020 | AS22616 | Corporate gateway | 106 | 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 |
|---|---|---|---|---|---|---|
| 136.226.0.0/16 | 65,536 | ZSCAL | Zscaler, Inc. (ZSCAL) · US | Direct Allocation | Oct 29, 2020 | [email protected] |
| └ 136.226.28.0/24 | 256 | ZSCALER-SJC4 | Zscaler, Inc. (C07749665) · US | Reassigned | Feb 8, 2021 | [email protected] 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
- 136.226.0.0/16
- Registration type
- Direct Allocation
- Record created
- Oct 29, 2020
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2026
- Current origin since
- Aug 2026 · 2 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 136.226.28.0/24
- Netname
- ZSCALER-SJC4
- Registrant
- Zscaler, Inc.
- Organization
- Zscaler, Inc. (C07749665)
- Type
- Reassigned
- Handle
- NET-136-226-28-0-1
- Parent
- NET-136-226-0-0-1
- Created
- Feb 8, 2021
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 29, 2020
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- poc-abuse
- Phone
- +1-408-701-0534
- Handle
- POCAB2-ARIN