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Autonomous System

AS53813

ZSCALER, INC.

ZSCALER, INC. India 🌐 zscaler.com
Announced IPs
132,352
CIDR prefixes
149
ASN
AS53813

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
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-GLOBAL

Present at 29 internet exchanges: Equinix Sydney, JPIX TOKYO, Equinix Melbourne, Equinix Singapore, Extreme IX Chennai: Extreme IX LAN, Equinix Tokyo, DE-CIX Mumbai: DE-CIX Mumbai Peering LAN, HKIX: HKIX Peering LAN, Equinix Hong Kong, Extreme IX Mumbai: Extreme IX, …

Website ↗

AS53813 — global IP footprint

Cities where AS53813 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
164.137.160.0/19 8.2K
0.0%
ZSCALER, INC. CH — —
101.2.192.0/20 4.1K
0.0%
ZSCALER, INC. AU — —
101.2.224.0/20 4.1K
0.0%
ZSCALER, INC. AU New South Wales Sydney
167.103.16.0/20 4.1K
0.6%
ZSCALER, INC. AU — —
167.103.32.0/20 4.1K
0.6%
ZSCALER, INC. AU — —
167.103.64.0/20 4.1K
0.0%
ZSCALER, INC. AU — —
167.103.112.0/20 4.1K
0.0%
ZSCALER, INC. AU Victoria Melbourne
175.107.144.0/20 4.1K
0.0%
ZSCALER, INC. AU — —
101.2.216.0/21 2.0K
0.0%
ZSCALER, INC. AU Victoria Melbourne
101.2.240.0/21 2.0K
0.0%
ZSCALER, INC. AU — —
136.226.232.0/21 2.0K
0.0%
ZSCALER, INC. US — —
147.161.192.0/21 2.0K
0.0%
ZSCALER, INC. CH — —
147.161.208.0/21 2.0K
0.0%
ZSCALER, INC. CH — —
167.103.8.0/21 2.0K
0.0%
ZSCALER, INC. AU — —
167.103.40.0/21 2.0K
0.0%
ZSCALER, INC. JP Tokyo Tokyo
167.103.56.0/21 2.0K
0.0%
ZSCALER, INC. AU — —
167.103.72.0/21 2.0K
0.0%
ZSCALER, INC. IN Tamil Nadu Chennai
167.103.80.0/21 2.0K
0.0%
ZSCALER, INC. AU Victoria Melbourne
167.103.96.0/21 2.0K
0.0%
ZSCALER, INC. AU Western Australia Perth
167.103.136.0/21 2.0K
0.0%
ZSCALER, INC. AU New South Wales Sydney
167.103.160.0/21 2.0K
0.0%
ZSCALER, INC. AU — —
167.103.200.0/21 2.0K
0.0%
ZSCALER, INC. AU — —
167.103.208.0/21 2.0K
0.0%
ZSCALER, INC. AU — —
167.103.248.0/21 2.0K
0.0%
ZSCALER, INC. AU New South Wales Sydney
175.107.136.0/21 2.0K
0.0%
ZSCALER, INC. AU — —
175.107.160.0/21 2.0K
0.0%
ZSCALER, INC. AU — —
205.220.16.0/21 2.0K
0.0%
ZSCALER, INC. US — —
205.220.72.0/21 2.0K
0.0%
ZSCALER, INC. US — —
101.2.216.0/22 1.0K
0.0%
ZSCALER, INC. AU Victoria Melbourne
101.2.252.0/22 1.0K
0.0%
ZSCALER, INC. AU — —
136.226.228.0/22 1.0K
0.0%
ZSCALER, INC. US — —
136.226.240.0/22 1.0K
0.0%
ZSCALER, INC. US — —
136.226.252.0/22 1.0K
0.0%
ZSCALER, INC. US — —
147.161.212.0/22 1.0K
0.0%
ZSCALER, INC. AU Victoria Melbourne
147.161.216.0/22 1.0K
0.0%
ZSCALER, INC. CH — —
164.137.56.0/22 1.0K
0.0%
ZSCALER, INC. CH — —
165.225.104.0/22 1.0K
0.6%
ZSCALER, INC. US — —
165.225.112.0/22 1.0K
0.6%
ZSCALER, INC. US — —
165.225.120.0/22 1.0K
0.0%
ZSCALER, INC. US — —
165.225.228.0/22 1.0K
0.0%
ZSCALER, INC. US — —
165.225.232.0/22 1.0K
0.0%
ZSCALER, INC. US — —
167.103.4.0/22 1.0K
0.0%
ZSCALER, INC. AU — —
167.103.20.0/22 1.0K
0.0%
ZSCALER, INC. IN Telangana Hyderabad
167.103.24.0/22 1.0K
0.0%
ZSCALER, INC. IN Telangana Hyderabad
167.103.32.0/22 1.0K
0.0%
ZSCALER, INC. IN Maharashtra Mumbai
167.103.64.0/22 1.0K
0.0%
ZSCALER, INC. SG — —
167.103.80.0/22 1.0K
0.0%
ZSCALER, INC. AU Victoria Melbourne
167.103.84.0/22 1.0K
0.0%
ZSCALER, INC. IN Maharashtra Mumbai
167.103.100.0/22 1.0K
0.0%
ZSCALER, INC. AU Western Australia Perth
167.103.132.0/22 1.0K
0.0%
ZSCALER, INC. AU — —
167.103.136.0/22 1.0K
0.0%
ZSCALER, INC. IN Maharashtra Mumbai
167.103.144.0/22 1.0K
2.2%
ZSCALER, INC. AU New South Wales Sydney
167.103.156.0/22 1.0K
0.0%
ZSCALER, INC. AU — —
167.103.188.0/22 1.0K
0.0%
ZSCALER, INC. AU — —
167.103.196.0/22 1.0K
0.0%
ZSCALER, INC. AU — —
167.103.208.0/22 1.0K
0.0%
ZSCALER, INC. IN Tamil Nadu Chennai
167.103.228.0/22 1.0K
0.0%
ZSCALER, INC. AU — —
167.103.232.0/22 1.0K
0.0%
ZSCALER, INC. AU — —
175.107.128.0/22 1.0K
0.0%
ZSCALER, INC. AU — —
175.107.136.0/22 1.0K
0.0%
ZSCALER, INC. SG — —
175.107.140.0/22 1.0K
0.0%
ZSCALER, INC. AU — —
175.107.184.0/22 1.0K
0.0%
ZSCALER, INC. AU New South Wales Sydney
209.55.204.0/22 1.0K
0.0%
ZSCALER, INC. US — —
101.2.202.0/23 512
0.0%
ZSCALER, INC. JP Tokyo Tokyo
101.2.204.0/23 512
0.0%
ZSCALER, INC. JP Tokyo Tokyo
101.2.208.0/23 512
0.0%
ZSCALER, INC. AU — —
101.2.214.0/23 512
0.0%
ZSCALER, INC. AU Victoria Melbourne
101.2.220.0/23 512
0.0%
ZSCALER, INC. IN National Capital Territory of Delhi New Delhi
101.2.222.0/23 512
0.0%
ZSCALER, INC. AU New South Wales Sydney
101.2.242.0/23 512
0.0%
ZSCALER, INC. HK — —
101.2.244.0/23 512
0.0%
ZSCALER, INC. IN Tamil Nadu Chennai
101.2.248.0/23 512
0.0%
ZSCALER, INC. AU — —
129.127.226.0/23 512
0.0%
ZSCALER, INC. AU Victoria Melbourne
136.226.222.0/23 512
0.0%
ZSCALER, INC. US — —
136.226.224.0/23 512
0.0%
ZSCALER, INC. US — —
136.226.228.0/23 512
0.0%
ZSCALER, INC. HK — —
136.226.230.0/23 512
0.0%
ZSCALER, INC. IN National Capital Territory of Delhi New Delhi
136.226.232.0/23 512
0.0%
ZSCALER, INC. IN Maharashtra Mumbai
136.226.234.0/23 512
0.0%
ZSCALER, INC. SG — —
136.226.236.0/23 512
0.0%
ZSCALER, INC. SG — —
136.226.238.0/23 512
0.0%
ZSCALER, INC. JP Tokyo Tokyo
136.226.240.0/23 512
0.0%
ZSCALER, INC. TW Taipei City Taipei
136.226.242.0/23 512
0.0%
ZSCALER, INC. IN Tamil Nadu Chennai
136.226.244.0/23 512
0.0%
ZSCALER, INC. US — —
136.226.250.0/23 512
0.0%
ZSCALER, INC. US — —
137.31.18.0/23 512
0.0%
ZSCALER, INC. CH — —
137.31.92.0/23 512
0.0%
ZSCALER, INC. CH — —
137.83.144.0/23 512
1.2%
ZSCALER, INC. US — —
137.83.150.0/23 512
1.2%
ZSCALER, INC. US — —
137.83.184.0/23 512
1.0%
ZSCALER, INC. US — —
137.83.188.0/23 512
0.6%
ZSCALER, INC. US — —
147.161.200.0/23 512
0.0%
ZSCALER, INC. CH — —
147.161.204.0/23 512
3.9%
ZSCALER, INC. CH — —
147.161.208.0/23 512
0.0%
ZSCALER, INC. AU New South Wales Sydney
147.161.210.0/23 512
0.0%
ZSCALER, INC. JP Tokyo Tokyo
147.161.216.0/23 512
0.0%
ZSCALER, INC. NZ Auckland Auckland
147.161.218.0/23 512
0.0%
ZSCALER, INC. AU Australian Capital Territory Canberra
147.161.220.0/23 512
0.0%
ZSCALER, INC. CH — —
149.117.230.0/23 512
0.0%
ZSCALER, INC. US — —
161.151.234.0/23 512
0.0%
ZSCALER, INC. US — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS53813 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
101.2.244.0/23 113,854 2026-07-23 16:31:36
209.55.204.0/24 110,709 2026-07-23 16:31:36
209.55.205.0/24 104,100 2026-07-23 16:31:36
167.103.70.0/23 96,543 2026-07-23 16:31:36
167.103.204.0/23 90,731 2026-07-23 16:31:36
167.103.76.0/23 90,715 2026-07-23 16:31:36
167.103.206.0/23 90,686 2026-07-23 16:31:36
167.103.208.0/23 90,528 2026-07-23 16:31:36
167.103.78.0/23 90,515 2026-07-23 16:31:36
167.103.210.0/23 90,443 2026-07-23 16:31:36
167.103.72.0/23 90,350 2026-07-23 16:31:36
167.103.74.0/23 90,335 2026-07-23 16:31:36
136.226.254.0/24 87,463 2026-07-23 16:31:36
101.2.248.0/23 87,180 2026-07-23 16:45:26
209.55.219.0/24 85,013 2026-07-23 16:31:36
209.55.213.0/24 84,939 2026-07-23 16:31:36
101.2.197.0/24 84,809 2026-07-23 16:31:36
101.2.240.0/24 84,557 2026-07-23 16:31:36
209.55.129.0/24 83,904 2026-07-23 16:31:36
101.2.198.0/24 83,702 2026-07-23 16:46:41
209.55.150.0/24 82,976 2026-07-23 16:31:36
101.2.207.0/24 82,827 2026-07-23 16:31:36
101.2.208.0/24 82,158 2026-07-23 16:31:36
101.2.220.0/23 81,848 2026-07-23 16:31:36
165.225.120.0/24 81,823 2026-07-23 16:31:36
101.2.215.0/24 81,816 2026-07-23 16:31:36
209.55.151.0/24 80,389 2026-07-23 16:46:41
209.55.137.0/24 79,920 2026-07-23 16:31:36
209.55.202.0/24 79,219 2026-07-23 16:31:36
101.2.195.0/24 78,089 2026-07-23 16:31:36
137.83.144.0/24 78,070 2026-07-23 16:47:28
170.85.249.0/24 77,935 2026-07-23 16:31:36
167.103.228.0/23 77,774 2026-07-23 16:46:41
168.183.186.0/24 77,569 2026-07-23 16:46:41
167.103.186.0/23 77,357 2026-07-23 16:31:36
205.220.22.0/23 77,278 2026-07-23 16:31:36
120.29.239.0/24 77,121 2026-07-23 16:45:26
205.220.24.0/23 77,109 2026-07-23 16:31:36
167.103.84.0/24 77,087 2026-07-23 16:31:36
167.103.85.0/24 77,081 2026-07-23 16:31:36
205.220.18.0/23 77,071 2026-07-23 16:31:36
205.220.16.0/23 76,904 2026-07-23 16:31:36
205.220.20.0/23 76,778 2026-07-23 16:31:36
165.225.120.0/23 76,470 2026-07-23 16:31:36
167.103.190.0/23 76,430 2026-07-23 16:31:36
167.103.192.0/23 76,421 2026-07-23 16:31:36
136.226.252.0/23 76,413 2026-07-23 16:31:36
149.117.230.0/24 75,350 2026-07-23 16:31:36
167.103.118.0/23 75,203 2026-07-23 16:31:36
167.103.2.0/23 75,074 2026-07-23 16:31:36

Showing top 50 of 347 announced prefixes by sample volume.

Frequently Asked Questions

What is AS53813?

AS53813 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 AS53813 announce?

AS53813 announces 132.4K IPv4 addresses distributed across 149 routed CIDR prefixes. The network is registered in India.

Who operates AS53813?

AS53813 is operated by ZSCALER, INC.. The organization is based in India. You can view all IP ranges and related ASNs on the organization page.

What country is AS53813 registered in?

AS53813 is registered in India. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-23 16:55:32 UTC
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