AS22616 ZSCALER, INC.

ZSCALER-SJC1 - ZSCALER, INC. · registered in the United States

IPv4 addresses487,936441 prefixes · 0.016% of announced IPv4

Rank in United States#171largest network in US by IPv4 space, of 18,338 · 0.04% of US

Rank worldwide#599of 79,396 networks with IPv4

IPv69,993 x /4824 prefixes

CountryUnited States18,679 ASNs registered there

Open AS22616 in ASN lookup Look up an IP in this network (8.34.34.1) All networks in United States

IPv4 prefixes

All 441 prefixes, in address order.

8.34.34.0/24
8.35.35.0/24
64.215.22.0/24
70.39.159.0/24
70.40.176.0/23
70.40.178.0/24
87.58.106.0/24
87.58.120.0/23
87.58.126.0/23
89.18.89.0/24
89.18.90.0/24
101.2.210.0/23
101.2.212.0/23
104.129.192.0/20
128.177.125.0/24
128.177.129.0/24
128.177.135.0/24
128.177.136.0/24
129.176.208.0/22
136.226.0.0/20
136.226.16.0/22
136.226.20.0/23
136.226.22.0/24
136.226.24.0/21
136.226.32.0/21
136.226.40.0/23
136.226.42.0/24
136.226.44.0/22
136.226.48.0/20
136.226.64.0/22
136.226.68.0/23
136.226.70.0/28
136.226.70.16/29
136.226.70.24/32
136.226.70.25/32
136.226.70.26/31
136.226.70.28/30
136.226.70.32/27
136.226.70.64/30
136.226.70.68/31
136.226.70.70/31
136.226.70.72/29
136.226.70.80/28
136.226.70.96/27
136.226.70.128/30
136.226.70.132/31
136.226.70.134/31
136.226.70.136/29
136.226.70.144/28
136.226.70.160/27
136.226.70.192/30
136.226.70.196/31
136.226.70.198/31
136.226.70.200/29
136.226.70.208/28
136.226.70.224/27
136.226.71.0/28
136.226.71.16/29
136.226.71.24/32
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136.226.71.26/31
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136.226.71.192/30
136.226.71.196/31
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136.226.71.224/27
136.226.72.0/29
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136.226.72.12/31
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136.226.72.24/32
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136.226.72.48/28
136.226.72.64/26
136.226.72.128/25
136.226.73.0/24
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136.226.74.48/28
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136.226.74.128/25
136.226.75.0/24
136.226.76.0/22
136.226.80.0/21
136.226.88.0/24
136.226.90.0/23
136.226.92.0/22
136.226.96.0/20
136.226.112.0/23
136.226.114.0/23
136.226.116.0/22
136.226.120.0/21
136.226.128.0/21
136.226.136.0/21
136.226.144.0/21
136.226.152.0/22
136.226.186.0/23
136.226.188.0/23
136.226.200.0/21
136.226.208.0/22
136.226.212.0/23
136.226.226.0/23
136.226.248.0/23
137.31.4.0/22
137.31.8.0/22
137.31.14.0/23
137.31.24.0/22
137.31.28.0/22
137.31.39.0/24
137.31.49.0/24
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137.31.80.0/21
137.31.88.0/23
137.31.96.0/24
137.31.98.0/23
137.31.100.0/23
137.31.102.0/23
137.31.104.0/21
137.31.114.0/23
137.31.116.0/23
137.31.119.0/24
137.31.120.0/21
137.31.128.0/23
137.31.134.0/23
137.31.141.0/24
137.31.142.0/23
137.31.144.0/21
137.31.154.0/23
137.31.157.0/24
137.31.158.0/24
137.31.160.0/22
137.31.167.0/24
137.31.168.0/24
137.31.170.0/23
137.31.176.0/21
137.31.184.0/22
137.31.188.0/22
137.31.198.0/23
137.31.200.0/21
137.31.208.0/24
137.31.210.0/23
137.31.212.0/22
137.31.217.0/24
137.31.220.0/22
137.31.224.0/19
137.83.131.0/24
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137.83.176.160/27
137.83.176.192/26
137.83.181.0/24
137.83.182.0/23
137.83.191.0/24
140.232.188.0/23
140.232.190.0/24
142.195.110.0/23
146.203.254.0/24
147.161.128.0/23
147.161.174.0/23
147.161.206.0/23
147.161.240.0/23
148.107.224.0/24
148.107.226.0/23
148.107.229.0/24
149.24.90.0/23
149.24.92.0/24
149.117.100.0/24
149.117.102.0/24
153.69.16.0/24
153.69.18.0/24
155.95.82.0/24
155.95.84.0/24
155.95.86.0/24
156.77.184.0/23
156.77.186.0/24
159.254.30.0/23
159.254.52.0/23
159.254.58.0/23
159.254.60.0/23
159.254.64.0/22
159.254.69.0/24
159.254.76.0/23
159.254.84.0/23
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159.254.92.0/22
159.254.96.0/23
159.254.99.0/24
159.254.100.0/24
159.254.104.0/21
159.254.112.0/21
159.254.136.0/21
159.254.152.0/21
159.254.160.0/20
159.254.182.0/23
159.254.184.0/23
159.254.186.0/23
159.254.188.0/23
159.254.202.0/24
159.254.205.0/24
159.254.206.0/23
159.254.208.0/23
159.254.217.0/24
159.254.220.0/23
159.254.240.0/23
159.254.242.0/23
159.254.244.0/22
159.254.248.0/22
159.254.254.0/23
161.107.92.0/22
161.151.200.0/22
161.151.236.0/24
162.82.254.0/24
164.137.4.0/22
164.137.8.0/21
164.137.16.0/20
164.137.32.0/20
164.137.48.0/22
164.137.52.0/23
164.137.54.0/23
164.157.252.0/23
165.225.0.0/21
165.225.8.0/22
165.225.14.0/23
165.225.18.0/23
165.225.32.0/21
165.225.40.0/22
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165.225.68.0/23
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165.225.90.0/23
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165.225.119.0/24
165.225.208.0/22
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165.225.250.0/23
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167.73.110.0/24
167.103.148.0/22
167.103.152.0/23
167.106.0.0/16
168.183.170.0/23
168.183.172.0/22
168.183.176.0/23
168.246.8.0/26
168.246.8.64/26
168.246.8.128/25
168.246.9.0/24
170.85.6.0/23
170.85.8.0/21
170.85.16.0/21
170.85.24.0/22
170.85.32.0/23
170.85.36.0/22
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170.85.54.0/23
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170.85.60.0/23
170.85.66.0/23
170.85.68.0/22
170.85.72.0/22
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170.85.80.0/23
170.85.86.0/23
170.85.88.0/21
170.85.96.0/21
170.85.104.0/23
170.85.106.0/23
170.85.108.0/22
170.85.112.0/21
170.85.121.0/24
170.85.122.0/23
170.85.124.0/22
170.85.128.0/18
170.85.192.0/23
170.85.195.0/24
170.85.196.0/24
170.85.199.0/24
170.85.200.0/21
170.85.208.0/23
170.85.216.0/23
170.85.218.0/23
170.85.220.0/22
170.85.224.0/21
170.85.236.0/22
170.85.240.0/21
170.85.252.0/22
175.107.135.0/24
175.107.168.0/23
175.107.182.0/23
175.107.188.0/22
198.14.64.0/19
198.14.96.0/21
198.14.104.0/21
198.14.112.0/23
198.14.114.0/23
198.14.116.0/22
198.14.120.0/21
205.220.0.0/20
205.220.26.0/23
205.220.28.0/22
205.220.32.0/21
205.220.40.0/22
205.220.44.0/23
205.220.46.0/29
205.220.46.8/30
205.220.46.12/31
205.220.46.14/31
205.220.46.16/29
205.220.46.24/31
205.220.46.26/32
205.220.46.27/32
205.220.46.28/30
205.220.46.32/29
205.220.46.40/29
205.220.46.48/28
205.220.46.64/26
205.220.46.128/25
205.220.47.0/24
205.220.48.0/29
205.220.48.8/30
205.220.48.12/31
205.220.48.14/31
205.220.48.16/28
205.220.48.32/27
205.220.48.64/26
205.220.48.128/25
205.220.49.0/24
205.220.50.0/23
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205.220.82.0/24
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205.220.104.0/21
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205.220.120.0/21
209.55.131.0/24
209.55.132.0/24
209.55.135.0/24
209.55.141.0/24
209.55.142.0/24
209.55.145.0/24
209.55.146.0/23
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209.55.162.0/23
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209.55.192.0/24
209.55.194.0/23
209.55.196.0/22
209.55.200.0/23
209.55.209.0/24
209.55.210.0/24
209.55.216.0/23
209.55.220.0/22
220.42.0.0/15

IPv6 prefixes

All 24 prefixes.

2605:4300:1200::/39
2605:4300:1400::/38
2605:4300:1800::/37
2605:4300:2200::/39
2605:4300:2400::/38
2605:4300:2800::/38
2605:4300:2d00::/40
2605:4300:2e00::/40
2605:4300:3200::/39
2605:4300:3400::/39
2605:4300:3700::/40
2605:4300:3800::/40
2605:4300:3a00::/40
2605:4300:3c01::/48
2605:4300:3d00::/40
2605:4300:e200::/39
2605:4300:e400::/39
2605:4300:e700::/40
2a03:eec0:3210::/48
2a03:eec0:3212::/47
2a03:eec0:3217::/48
2a03:eec0:322b::/48
2a03:eec0:322c::/47
2a03:eec0:322e::/48

Other ASNs named ZSCALER, INC.

2 other networks use the same organisation name; together with AS22616 they announce 630,016 IPv4 addresses.

ASNNameIPv4 addresses

AS53813ZSCALER-INC - ZSCALER, INC. US141,568

AS53444ZSCALER-SJC - ZSCALER, INC. US512

Similar-sized networks in United States

ASNNameIPv4 addresses

AS7979#168 SERVERS-COM - Servers.com, Inc.506,112

AS13977#169 CTELCO - Fidium505,600

AS54600#170 PEG-SV - PEG TECH INC493,312

AS17306#172 RISE-BROADBAND - JAB Wireless, INC.480,768

AS29802#173 HVC-AS - HIVELOCITY, Inc.480,081

AS6453#174 AS6453 - TATA COMMUNICATIONS (AMERICA) INC473,856

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources