Autonomous System

AS22616

ZSCALER, INC.

ZSCALER, INC. United States 🌐 zscaler.com

Announced IPs

512,768

CIDR prefixes

316

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 v1.2.0 — 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.

Founded

2008

Headquarters

San Jose

Industry

internet security

Official website ↗ Summary from Wikipedia, CC BY-SA 4.0 · Data from Wikidata

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, …

Website ↗

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

CIDR	IPs	PTR Density	Organization	Country	State	City
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	Virginia	Reston
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	California	San Jose
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	—	—
137.31.176.0/20	4.1K	0.0%	ZSCALER, INC.	CH	—	—
137.31.208.0/20	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	Cypress
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	Illinois	Chicago
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	—	—
137.31.144.0/21	2.0K	0.0%	ZSCALER, INC.	CH	—	—
137.31.168.0/21	2.0K	0.0%	ZSCALER, INC.	CH	—	—
137.31.200.0/21	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	—	—
159.254.152.0/21	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	—	—

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.

Prefix	Announcement samples	Last seen
137.31.119.0/24	45,356,067	2026-09-08 16:49:20
198.14.75.0/24	77,020	2026-09-08 16:36:17
205.220.94.0/23	74,651	2026-09-08 16:36:17
198.14.78.0/24	74,263	2026-09-08 16:36:17
205.220.114.0/23	73,187	2026-09-08 16:36:17
205.220.108.0/23	73,131	2026-09-08 16:36:17
205.220.116.0/23	73,033	2026-09-08 16:36:17
205.220.110.0/23	72,932	2026-09-08 16:36:17
205.220.106.0/23	72,911	2026-09-08 16:36:17
205.220.112.0/23	72,908	2026-09-08 16:36:17
205.220.100.0/23	72,774	2026-09-08 16:36:17
205.220.104.0/23	72,768	2026-09-08 16:36:17
136.226.112.0/23	42,306	2026-09-08 16:36:17
137.83.172.0/24	41,825	2026-09-08 16:36:17
136.226.0.0/23	41,749	2026-09-08 16:36:17
161.151.203.0/24	41,715	2026-09-08 16:36:17
159.254.217.0/24	41,259	2026-09-08 16:36:17
170.85.217.0/24	41,161	2026-09-08 16:36:17
170.85.216.0/24	41,088	2026-09-08 16:36:17
159.254.221.0/24	35,811	2026-09-08 16:36:39
170.85.246.0/24	35,648	2026-09-08 16:36:39
170.85.247.0/24	35,621	2026-09-08 16:36:39
136.226.62.0/23	34,591	2026-09-08 16:36:39
137.83.161.0/24	34,556	2026-09-08 16:36:39
136.226.140.0/23	34,546	2026-09-08 16:36:39
136.226.138.0/23	34,486	2026-09-08 16:36:39
147.161.128.0/23	34,199	2026-09-08 16:36:39
205.220.8.0/23	34,157	2026-09-08 16:36:39
159.254.66.0/23	34,018	2026-09-08 16:36:39
159.254.64.0/23	34,001	2026-09-08 16:36:39
205.220.4.0/23	33,953	2026-09-08 16:36:39
205.220.6.0/23	33,944	2026-09-08 16:36:39
205.220.2.0/23	33,913	2026-09-08 16:36:39
205.220.0.0/23	33,905	2026-09-08 16:36:39
165.225.99.0/24	32,612	2026-09-08 16:36:39
205.220.93.0/24	31,996	2026-09-08 16:36:39
209.55.183.0/24	31,853	2026-09-08 16:36:39
205.220.14.0/23	30,539	2026-09-08 16:36:39
205.220.12.0/23	30,453	2026-09-08 16:36:39
205.220.86.0/23	30,348	2026-09-08 16:36:39
205.220.84.0/23	30,326	2026-09-08 16:36:39
170.85.22.0/23	23,533	2026-09-08 16:36:39
170.85.24.0/23	23,512	2026-09-08 16:36:39
170.85.20.0/23	23,500	2026-09-08 16:36:39
170.85.18.0/23	23,454	2026-09-08 16:36:39
159.254.58.0/23	23,319	2026-09-08 16:44:53
159.254.60.0/23	23,222	2026-09-08 16:44:53
209.55.149.0/24	21,607	2026-09-08 16:36:39
70.40.177.0/24	19,007	2026-09-08 16:34:57
170.85.237.0/24	17,934	2026-09-08 16:36:17

Showing top 50 of 548 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 512.8K IPv4 addresses distributed across 316 routed CIDR prefixes. The network is registered in United States.

Who operates AS22616?

AS22616 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 AS22616 registered in?

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

Last updated: 2026-09-08 16:41:07 UTC