Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Enterprise allocation +4
- Trust score 69 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About Zscaler
Zscaler, Inc. is an American cloud security company based in San Jose, California.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 8.25.203.0/24 | 256 |
0.0%
|
ZSCALER, INC. | US | California | San Jose |
| 199.168.148.0/24 | 256 |
0.4%
|
ZSCALER, INC. | US | California | San Jose |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS53444 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 8.25.203.0/24 | 6,165 | 2026-07-24 07:43:05 |
| 199.168.148.0/24 | 6,041 | 2026-07-24 07:43:43 |
Frequently Asked Questions
What is AS53444?
AS53444 is an Autonomous System Number assigned to ZSCALER, INC.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS53444 announce?
AS53444 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.
Who operates AS53444?
AS53444 is operated by ZSCALER, INC.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS53444 registered in?
AS53444 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
