Data as of Nov 10, 2026
137.31.210.0/23
No anonymizer space · no proxy exits in 30 daysZscaler, Inc.
Announcement
this exact prefix
No RPKI
Announced by
Type
Corporate gateway
Risk
20 / 100 · Low
Recent change
New origin Nov 9, 2026
its first announcement on record
Operators, sellers and brokers
Corporate gateways
| Name | Parent | In 137.31.210.0/23 | /24s |
|---|---|---|---|
| Zscaler | 512100% | 2 |
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 137.31.0.0/16 since Oct 2025 | AS22616 | Corporate gateway | 3 | Zscaler Switzerland GmbH |
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 |
|---|---|---|---|---|---|---|
| 137.31.0.0/16 | 65,536 | Zscaler | Zscaler Switzerland GmbH (ORG-ZSG1-RIPE) · CH | LEGACY | Oct 15, 2025 | poc-abuse@ |
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
- Nov 9, 2026
- Current origin since
- Nov 9, 2026 · under a month
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- Not stated by the registry
- Netname
- Zscaler
- Registrant
- Zscaler Switzerland GmbH
- Registrant country
- CH
- Organization
- Not stated by the registry
- Created
- Not stated by the registry
- RIR
- RIPE NCC
- Country
- CH
- Delegated
- Oct 17, 1989
- Status
- assigned