Data as of Nov 12, 2026
209.55.201.0/24
No anonymizer space · no proxy exits in 30 daysZscaler, Inc.
Operators, sellers and brokers
Corporate gateways
| Name | Parent | In 209.55.201.0/24 | /24s |
|---|---|---|---|
| Zscaler | 256100% | 1 |
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 209.55.192.0/19 since Sep 2021 | AS22616 | Corporate gateway | Zscaler, Inc. |
Network & registry
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
- Sep 2025
- Current origin since
- Sep 2025 · 1.2 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS22616 | RADB | Zscaler WAS1 | MAINT-AS53444 | Sep 5, 2025 |
Whois
Registration for this announcement
- Range
- 209.
55. 128. 0 - 209. 55. 223. 255 - 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-209-55-128-0-1
- Parent
- NET-209-0-0-0-0
- Created
- Sep 21, 2021
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 21, 2021
- Status
- assigned
Report abuse
Abuse contact
- poc-abuse@
zscaler. com - Name
- poc-abuse
- Phone
- +1-408-701-0534
- Handle
- POCAB2-ARIN