Data as of Nov 7, 2026
209.55.192.0/19
No anonymizer space · no proxy exits in 30 daysZscaler, Inc.
Operators, sellers and brokers
Corporate gateways
| Name | Parent | In 209.55.192.0/19 | /24s |
|---|---|---|---|
| Zscaler | 8,192100% | 32 |
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Operator | Holder | RPKI |
|---|---|---|---|---|---|
| 209.55.192.0/24 since Sep 2024 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.193.0/24 since Oct 2024 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.196.0/24 since Feb 2025 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.197.0/24 since Feb 2025 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.200.0/24 since Sep 2025 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.201.0/24 since Sep 2025 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.202.0/24 since Sep 2025 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.203.0/24 since Sep 2025 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.204.0/24 since Sep 2025 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.205.0/24 since Sep 2025 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.206.0/24 since Nov 2024 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.207.0/24 since Nov 2024 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.208.0/24 since Nov 2024 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.209.0/24 since Nov 2024 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.210.0/24 since Dec 2024 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.211.0/24 since Feb 2025 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.212.0/24 since Feb 2025 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.213.0/24 since Feb 2025 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.214.0/24 since May 2025 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.215.0/24 since May 2025 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.216.0/24 since Jun 2025 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.217.0/24 since Jun 2025 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.218.0/24 since Apr 2025 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.219.0/24 since Jul 2025 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.220.0/24 since Aug 2025 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.221.0/24 since Aug 2025 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.222.0/24 since Jun 2025 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler, Inc. | |
| 209.55.223.0/24 since Aug 2025 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | 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 |
|---|---|---|---|---|---|---|
| 209. | 24,576 | ZSCAL | Zscaler, Inc. (ZSCAL) · US | Direct Allocation | Sep 21, 2021 | poc-abuse@ |
| └ 209.55.193.0/24 | 256 | ZSCALER-MAN2 | Zscaler, Inc. (C10997564) · GB | Reassigned | Oct 24, 2024 | poc-abuse@ via ZSCAL |
| └ 209.55.202.0/24 | 256 | ZSCALER-BOM7 | Zscaler Softech India Private Limited (C11004471) · IN | Reassigned | Oct 31, 2024 | poc-abuse@ via ZSCAL |
| └ 209.55.203.0/24 | 256 | ZSCALER-BOM7 | Zscaler Softech India Private Limited (C11004470) · IN | Reassigned | Oct 31, 2024 | poc-abuse@ via ZSCAL |
| └ 209.55.204.0/24 | 256 | ZSCALER-MAA3 | Zscaler Softech India Private Limited (C11019966) · IN | Reassigned | Nov 19, 2024 | poc-abuse@ via ZSCAL |
| └ 209.55.205.0/24 | 256 | ZSCALER-MAA3 | Zscaler Softech India Private Limited (C11019965) · IN | Reassigned | Nov 19, 2024 | poc-abuse@ via ZSCAL |
| └ 209.55.211.0/24 | 256 | ZSCALER-SIN5 | Zscaler, Inc. (C11068495) · SG | Reassigned | Jan 14, 2025 | poc-abuse@ via ZSCAL |
| └ 209.55.212.0/24 | 256 | ZSCALER-SIN5 | Zscaler, Inc. (C11068494) · SG | Reassigned | Jan 14, 2025 | poc-abuse@ via ZSCAL |
| └ 209.55.214.0/24 | 256 | ZSCALER-AMS3 | Zscaler, Inc. (C11114031) · NL | Reassigned | Feb 24, 2025 | poc-abuse@ via ZSCAL |
| └ 209.55.215.0/24 | 256 | ZSCALER-AMS3 | Zscaler, Inc. (C11114030) · NL | Reassigned | Feb 24, 2025 | poc-abuse@ via ZSCAL |
| └ 209.55.216.0/24 | 256 | ZSCALER-QLA2 | Zscaler, Inc. (C11114039) · US | Reassigned | Feb 24, 2025 | poc-abuse@ via ZSCAL |
| └ 209.55.217.0/24 | 256 | ZSCALER-QLA2 | Zscaler, Inc. (C11114038) · US | Reassigned | Feb 24, 2025 | poc-abuse@ via ZSCAL |
| └ 209.55.220.0/24 | 256 | ZSCALER-WAS4 | Zscaler, Inc. (C11258739) · US | Reassigned | Jul 1, 2025 | poc-abuse@ via ZSCAL |
| └ 209.55.221.0/24 | 256 | ZSCALER-WAS4 | Zscaler, Inc. (C11258738) · US | Reassigned | Jul 1, 2025 | 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
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2021
- Current origin since
- Sep 2021 · 5.1 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS22616 | RADB | Zscaler SJC4 | MAINT-AS53444 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 209.55.196.0/23 | AS22616 | RADB | Zscaler WAS1 | MAINT-AS53444 | Feb 7, 2025 |
| 209.55.216.0/22 | AS2686 | RADB | Proxy-registered route object | MAINT-AS7132 | Nov 13, 2023 |
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