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Autonomous System

AS22616

ZSCALER, INC.

Announced IPs
513,024
CIDR prefixes
294
ASN
AS22616

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.

69/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Enterprise allocation +4
  • Trust score 69 / 100

Experimental · trust-vectors model v1.1.0 — 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.

Founded
2008
Headquarters
San Jose
Industry
internet security

Network profile

Source: PeeringDB →
Network type Network Services
Geographic scope Regional
Traffic ratio Balanced
Peering policy Open
IRR record AS-ZSCALER-AMER

Present at 23 internet exchanges: Equinix Dallas, DE-CIX New York: DE-CIX New York Peering LAN, Any2West, Digital Realty Atlanta, Equinix Chicago, Any2Denver, TorIX, Equinix Miami, Equinix Ashburn, Equinix New York, …

AS22616 — global IP footprint

Cities where AS22616 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
220.42.0.0/15 131.1K
0.0%
ZSCALER, INC. CH
167.106.0.0/16 65.5K
0.0%
ZSCALER, INC. US
137.31.128.0/17 32.8K
0.0%
ZSCALER, INC. CH
137.31.64.0/18 16.4K
0.0%
ZSCALER, INC. CH
137.31.128.0/18 16.4K
0.0%
ZSCALER, INC. CH
170.85.128.0/18 16.4K
0.0%
ZSCALER, INC. US Georgia Atlanta
198.14.64.0/18 16.4K
5.0%
ZSCALER, INC. US New York New York
136.226.96.0/19 8.2K
0.0%
ZSCALER, INC. US Illinois Chicago
137.31.160.0/19 8.2K
0.0%
ZSCALER, INC. CH
137.31.192.0/19 8.2K
0.0%
ZSCALER, INC. CH
170.85.160.0/19 8.2K
0.0%
ZSCALER, INC. US Illinois Chicago
175.107.160.0/19 8.2K
0.0%
ZSCALER, INC. AU
104.129.192.0/20 4.1K
0.1%
ZSCALER, INC. US California San Jose
136.226.0.0/20 4.1K
0.9%
ZSCALER, INC. US Illinois Chicago
136.226.48.0/20 4.1K
0.0%
ZSCALER, INC. US Virginia Reston
136.226.64.0/20 4.1K
0.0%
ZSCALER, INC. US Massachusetts Boston
136.226.96.0/20 4.1K
0.0%
ZSCALER, INC. US Illinois Chicago
136.226.128.0/20 4.1K
0.9%
ZSCALER, INC. US Colorado Denver
137.31.48.0/20 4.1K
0.0%
ZSCALER, INC. CH
137.31.64.0/20 4.1K
0.0%
ZSCALER, INC. CH
137.31.112.0/20 4.1K
0.0%
ZSCALER, INC. CH
137.31.144.0/20 4.1K
0.0%
ZSCALER, INC. CH
137.31.224.0/20 4.1K
0.0%
ZSCALER, INC. CH
159.254.144.0/20 4.1K
0.0%
ZSCALER, INC. CH
159.254.160.0/20 4.1K
0.0%
ZSCALER, INC. CH
164.137.16.0/20 4.1K
0.0%
ZSCALER, INC. CH
164.137.32.0/20 4.1K
0.0%
ZSCALER, INC. CH
165.225.208.0/20 4.1K
0.1%
ZSCALER, INC. US
170.85.96.0/20 4.1K
0.0%
ZSCALER, INC. US Texas Houston
170.85.128.0/20 4.1K
0.0%
ZSCALER, INC. US Georgia Atlanta
175.107.160.0/20 4.1K
0.0%
ZSCALER, INC. AU
198.14.112.0/20 4.1K
0.0%
ZSCALER, INC. US Illinois Chicago
205.220.0.0/20 4.1K
0.0%
ZSCALER, INC. US
205.220.32.0/20 4.1K
0.0%
ZSCALER, INC. US Florida Miami
205.220.112.0/20 4.1K
0.0%
ZSCALER, INC. US
136.226.8.0/21 2.0K
0.0%
ZSCALER, INC. US Illinois Chicago
136.226.24.0/21 2.0K
2.1%
ZSCALER, INC. US California San Jose
136.226.32.0/21 2.0K
0.9%
ZSCALER, INC. US Virginia Reston
136.226.48.0/21 2.0K
0.0%
ZSCALER, INC. US Virginia Reston
136.226.64.0/21 2.0K
0.0%
ZSCALER, INC. US Massachusetts Boston
136.226.80.0/21 2.0K
0.0%
ZSCALER, INC. US New York New York
136.226.120.0/21 2.0K
0.0%
ZSCALER, INC. US Virginia Reston
136.226.144.0/21 2.0K
0.0%
ZSCALER, INC. US California San Jose
136.226.200.0/21 2.0K
0.0%
ZSCALER, INC. US
137.31.24.0/21 2.0K
0.0%
ZSCALER, INC. CH
137.31.40.0/21 2.0K
0.0%
ZSCALER, INC. CH
137.31.56.0/21 2.0K
0.0%
ZSCALER, INC. CH
137.31.80.0/21 2.0K
0.0%
ZSCALER, INC. CH
137.31.104.0/21 2.0K
0.0%
ZSCALER, INC. CH
137.31.120.0/21 2.0K
0.0%
ZSCALER, INC. CH
137.31.136.0/21 2.0K
0.0%
ZSCALER, INC. CH
137.31.152.0/21 2.0K
0.0%
ZSCALER, INC. CH
137.31.240.0/21 2.0K
0.0%
ZSCALER, INC. CH
137.83.168.0/21 2.0K
0.6%
ZSCALER, INC. US California San Jose
159.254.104.0/21 2.0K
0.0%
ZSCALER, INC. CH
159.254.112.0/21 2.0K
0.0%
ZSCALER, INC. CH
159.254.136.0/21 2.0K
0.0%
ZSCALER, INC. CH
159.254.240.0/21 2.0K
0.0%
ZSCALER, INC. CH
164.137.8.0/21 2.0K
0.0%
ZSCALER, INC. CH
164.137.48.0/21 2.0K
0.0%
ZSCALER, INC. CH
165.225.0.0/21 2.0K
0.7%
ZSCALER, INC. US Illinois Chicago
165.225.32.0/21 2.0K
0.0%
ZSCALER, INC. US New York New York
165.225.56.0/21 2.0K
0.1%
ZSCALER, INC. US Illinois Chicago
170.85.8.0/21 2.0K
0.0%
ZSCALER, INC. US Illinois Chicago
170.85.16.0/21 2.0K
0.0%
ZSCALER, INC. US
170.85.88.0/21 2.0K
0.0%
ZSCALER, INC. US Virginia Reston
170.85.112.0/21 2.0K
0.0%
ZSCALER, INC. US Virginia Reston
170.85.152.0/21 2.0K
0.0%
ZSCALER, INC. US Virginia Reston
170.85.200.0/21 2.0K
0.0%
ZSCALER, INC. US California Los Angeles
170.85.216.0/21 2.0K
0.0%
ZSCALER, INC. US
170.85.224.0/21 2.0K
0.0%
ZSCALER, INC. US California Los Angeles
170.85.240.0/21 2.0K
0.0%
ZSCALER, INC. US Virginia Reston
175.107.168.0/21 2.0K
0.0%
ZSCALER, INC. AU
175.107.176.0/21 2.0K
0.0%
ZSCALER, INC. AU
198.14.96.0/21 2.0K
0.0%
ZSCALER, INC. US New York New York
205.220.0.0/21 2.0K
0.0%
ZSCALER, INC. CL Santiago Metropolitan Santiago
205.220.48.0/21 2.0K
0.0%
ZSCALER, INC. US Massachusetts Boston
205.220.104.0/21 2.0K
0.0%
ZSCALER, INC. US
136.226.4.0/22 1.0K
0.0%
ZSCALER, INC. US California San Jose
136.226.16.0/22 1.0K
1.9%
ZSCALER, INC. US Virginia Reston
136.226.44.0/22 1.0K
0.0%
ZSCALER, INC. US California San Jose
136.226.56.0/22 1.0K
0.0%
ZSCALER, INC. US Washington Seattle
136.226.72.0/22 1.0K
0.0%
ZSCALER, INC. US Massachusetts Boston
136.226.92.0/22 1.0K
1.0%
ZSCALER, INC. US Virginia Reston
136.226.116.0/22 1.0K
0.0%
ZSCALER, INC. US California San Jose
136.226.152.0/22 1.0K
2.0%
ZSCALER, INC. US Virginia Reston
136.226.208.0/22 1.0K
0.0%
ZSCALER, INC. US
137.31.4.0/22 1.0K
0.0%
ZSCALER, INC. CH
137.31.8.0/22 1.0K
0.0%
ZSCALER, INC. CH
137.31.24.0/22 1.0K
0.0%
ZSCALER, INC. CA British Columbia Vancouver
137.31.28.0/22 1.0K
0.0%
ZSCALER, INC. NL North Holland Amsterdam
137.31.52.0/22 1.0K
0.0%
ZSCALER, INC. CH
137.31.60.0/22 1.0K
0.0%
ZSCALER, INC. CH
137.31.100.0/22 1.0K
0.0%
ZSCALER, INC. CH
137.31.112.0/22 1.0K
0.0%
ZSCALER, INC. CH
137.31.128.0/22 1.0K
0.0%
ZSCALER, INC. CH
137.31.136.0/22 1.0K
0.0%
ZSCALER, INC. CH
137.31.148.0/22 1.0K
0.0%
ZSCALER, INC. CH
137.31.248.0/22 1.0K
0.0%
ZSCALER, INC. CH
137.83.168.0/22 1.0K
0.0%
ZSCALER, INC. US California San Jose

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS22616 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
137.31.119.0/24 14,352,345 2026-07-21 05:13:51
198.14.75.0/24 37,651 2026-07-21 04:37:09
205.220.94.0/23 37,213 2026-07-21 04:37:09
205.220.106.0/23 35,420 2026-07-21 04:37:09
198.14.78.0/24 35,403 2026-07-21 04:37:09
205.220.116.0/23 35,381 2026-07-21 04:37:09
205.220.114.0/23 35,366 2026-07-21 04:37:09
205.220.108.0/23 35,332 2026-07-21 04:37:09
205.220.110.0/23 35,326 2026-07-21 04:37:09
205.220.100.0/23 35,322 2026-07-21 04:37:09
205.220.112.0/23 35,318 2026-07-21 04:37:09
205.220.104.0/23 35,307 2026-07-21 04:37:09
136.226.112.0/23 18,977 2026-07-21 04:37:09
161.151.203.0/24 18,830 2026-07-21 04:37:09
170.85.217.0/24 18,637 2026-07-21 04:37:09
170.85.216.0/24 18,622 2026-07-21 04:37:09
137.83.172.0/24 18,509 2026-07-21 04:37:09
136.226.0.0/23 18,410 2026-07-21 04:37:09
159.254.217.0/24 18,406 2026-07-21 04:37:09
205.220.8.0/23 12,833 2026-07-21 04:10:50
170.85.246.0/24 12,752 2026-07-21 04:10:50
205.220.4.0/23 12,715 2026-07-21 04:10:50
170.85.247.0/24 12,714 2026-07-21 04:10:50
205.220.2.0/23 12,705 2026-07-21 04:10:50
205.220.6.0/23 12,697 2026-07-21 04:10:50
205.220.0.0/23 12,681 2026-07-21 04:10:50
159.254.221.0/24 12,618 2026-07-21 04:10:50
205.220.86.0/23 10,722 2026-07-21 04:10:50
205.220.84.0/23 10,715 2026-07-21 04:10:50
136.226.62.0/23 10,278 2026-07-21 03:11:25
136.226.140.0/23 10,241 2026-07-21 03:11:25
136.226.138.0/23 10,220 2026-07-21 03:11:25
137.83.161.0/24 10,160 2026-07-21 03:11:25
159.254.64.0/23 10,108 2026-07-21 03:11:25
159.254.66.0/23 10,107 2026-07-21 03:11:25
147.161.128.0/23 10,093 2026-07-21 03:11:25
209.55.183.0/24 10,076 2026-07-21 03:11:25
205.220.93.0/24 10,071 2026-07-21 03:11:25
137.83.146.0/24 9,658 2026-07-21 02:14:08
170.85.255.0/24 9,615 2026-07-21 02:14:08
168.183.177.0/24 9,611 2026-07-21 02:14:08
165.225.212.0/24 9,108 2026-07-21 02:34:32
165.225.99.0/24 8,738 2026-07-21 03:11:25
205.220.14.0/23 8,667 2026-07-21 03:11:25
205.220.88.0/23 8,638 2026-07-21 04:44:43
205.220.12.0/23 8,608 2026-07-21 03:11:25
70.40.177.0/24 8,556 2026-07-21 04:44:43
165.225.36.0/23 8,463 2026-07-21 04:44:43
165.225.216.0/23 8,454 2026-07-21 04:44:43
165.225.42.0/24 8,443 2026-07-21 04:44:43

Showing top 50 of 515 announced prefixes by sample volume.

Frequently Asked Questions

What is AS22616?

AS22616 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 AS22616 announce?

AS22616 announces 513.0K IPv4 addresses distributed across 294 routed CIDR prefixes. The network is registered in Switzerland.

Who operates AS22616?

AS22616 is operated by ZSCALER, INC.. The organization is based in Switzerland. You can view all IP ranges and related ASNs on the organization page.

What country is AS22616 registered in?

AS22616 is registered in Switzerland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-21 05:10:34 UTC
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