Open config.zscaler.com/api/zscaler.net/cenr/json in your browser,
copy all the text (Ctrl+A → Ctrl+C), and paste it below:
Invalid JSON
Zscaler · zscaler.net
Every node has a purpose.
Live data from Zscaler CENR — Public Service Edges protecting users everywhere.
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Data Centers
3
Regions
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Countries
Data Center
Active incident · pulsing ring
Nearest to you
RTT to You
< 30 ms
30 – 80 ms
80 – 150 ms
150 – 200 ms
200 – 300 ms
> 300 ms
Cluster bubbles show the average RTT for that city group.
Cloud
Data: loading…
Heatmap idle
⌕
Jump to a DC and share the URL with the same region and selection.
⚡
◎ Nearest DCs
Your closest nodes
via Zscaler PAC · MaxMind GeoIP
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Loading…
Live Incidents
Monitoring the Zscaler network
Active trust-portal incidents affecting visible DCs will show here.
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Data Centers
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Name ↑
Country
Region
FQDN
GRE IP
VPN IP
BGP Lookup
Route visibility and path inspection
Query RIPE RIS first, fall back to RouteViews, and flag any path that includes AS22616.
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Examples
Look up a prefix to inspect collectors, AS paths, origin ASN, next hop, and whether Zscaler shows up in the visible route set.
Subcloud Analyzer
Upload a HAR or paste JSON to inspect subcloud coverage
Compare discovered DCs against live CENR, flag coverage gaps, and highlight surcharge-prone regions before you save a subcloud profile.
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Drop a HAR/JSON file here, or click to choose one
Best results come from a ZIA configuration HAR or a raw JSON export containing subcloud DC hostnames.
No file selected
Run an analysis to see coverage score, which DCs are in the subcloud, which are outside it, and which subcloud members fall into regional surcharge geographies.
Account Settings
Notification Preferences
Manage where Zscaler incident alerts and new-DC updates should be delivered for your account.