136.226.74.0/23

AS22616 · ZSCALER, INC.

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Summary

Country	United States
Domain	zscaler.com
ASN	AS22616
Parent Range	136.226.0.0/16
Registry	ARIN
ID	ZSCALER-BOS1

WHOIS Details

NetHandle:      NET-136-226-74-0-1
OrgID:          C08054596
Parent:         NET-136-226-0-0-1
NetName:        ZSCALER-BOS1
NetRange:       136.226.74.0 - 136.226.74.255
NetType:        reassignment
RegDate:        2021-10-04
Updated:        2021-10-04
Source:         ARIN


OrgID:          C08054596
OrgName:        Zscaler, Inc.
CanAllocate:    
Street:         70 Inner Belt Rd
City:           Somerville
State/Prov:     MA
Country:        US
PostalCode:     02143
RegDate:        2021-10-04
Updated:        2021-10-04
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 136.226.74.0/23

Range	ASN	Company	Num of IPs
136.226.0.0/16	AS16509	ZSCALER, INC.	65,536
136.226.0.0/16	AS22616	ZSCALER, INC.	65,536
136.226.0.0/16	AS53813	ZSCALER, INC.	65,536
136.226.0.0/16	AS62044	ZSCALER, INC.	65,536

Nearby Ranges

BGP prefixes that overlap with 136.226.0.0/16

Range	ASN	Company	Num of IPs
136.226.0.0/16	AS16509	ZSCALER, INC.	65,536
136.226.0.0/16	AS22616	ZSCALER, INC.	65,536
136.226.0.0/16	AS53813	ZSCALER, INC.	65,536
136.226.0.0/16	AS62044	ZSCALER, INC.	65,536
136.226.88.0/24	AS22616	Zscaler, Inc.	256
136.226.160.0/24	AS62044	Zscaler, Inc.	256
136.226.254.0/24	AS53813	Zscaler Softech India Private Limited	256
136.226.161.0/24	AS62044	Zscaler, Inc.	256
136.226.156.0/24	AS62044	Zscaler, Inc.	256
136.226.157.0/24	AS62044	Zscaler, Inc.	256
136.226.158.0/24	AS62044	Zscaler, Inc.	256
136.226.159.0/24	AS62044	Zscaler, Inc.	256
136.226.22.0/24	AS22616	Zscaler, Inc.	256
136.226.42.0/24	AS22616	Zscaler, Inc.	256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

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Pingable IPs

431 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
136.226.75.120	AS22616 ZSCALER, INC.	`0.23ms` from Boston, US
136.226.74.138	AS22616 ZSCALER, INC.	`0.23ms` from Boston, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
145.51.50.23	AS1103 SURF B.V.	`2.64ms` from Amsterdam, NL
85.146.38.135	AS50266 Odido Netherlands B.V.	`3.48ms` from Amsterdam, NL
57.153.168.151	AS8075 Microsoft Corporation	`1.39ms` from Amsterdam, NL
101.42.234.247	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.76ms` from Beijing, CN
73.167.235.39	AS7922 Comcast Cable Communications, LLC	`5.73ms` from Boston, US
193.251.231.119	AS3215 Orange S.A.	`0.29ms` from Cayenne, GF
148.70.101.135	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.81ms` from Chengdu, CN
221.10.83.135	AS4837 CHINA UNICOM China169 Backbone	`4.51ms` from Chengdu, CN
196.39.239.55	AS20011 Dimension Data	`1.75ms` from Johannesburg, ZA
82.223.59.135	AS8560 IONOS SE	`0.40ms` from Logrono, ES
82.13.69.135	AS5089 Virgin Media Limited	`8.82ms` from London, GB
83.224.205.7	AS30722 Vodafone Italia S.p.A.	`19.29ms` from Milan, IT
95.73.46.55	AS12389 PJSC Rostelecom	`2.99ms` from Moscow, RU
182.108.235.119	AS4134 CHINANET-BACKBONE	`6.13ms` from Nanchang, CN
31.32.119.167	AS5410 Bouygues Telecom SA	`2.47ms` from Paris, FR
68.83.83.55	AS7922 Comcast Cable Communications, LLC	`6.38ms` from Secaucus, US
162.10.145.7	AS55256 Netskope Inc	`0.12ms` from Toronto, CA
102.28.1.183	AS327934 SOCIETE NATIONALE DES TELECOMMUNICATIONS (Tunisie Telecom)	`16.99ms` from Tunis, TN
219.153.16.71	AS134420 Chongqing Telecom	`1.45ms` from Chongqing, CN
105.255.8.71	AS36994 Vodacom	`0.13ms` from Johannesburg, ZA
95.73.7.39	AS12389 PJSC Rostelecom	`2.79ms` from Moscow, RU
191.209.63.71	AS26599 TELEFÔNICA BRASIL S.A	`7.37ms` from Osasco, BR
209.96.124.135	AS400869 Bethlehem Area School District	`4.42ms` from Philadelphia, US
20.163.96.215	AS8075 Microsoft Corporation	`0.20ms` from Phoenix, US
46.167.254.7	AS16019 Vodafone Czech Republic a.s.	`0.78ms` from Prague, CZ

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f4 136.226.74.154

traceroute to 136.226.74.154 (136.226.74.154): 64 hops max, 52 byte packets

4 [AS9186] 195.245.142.194 43.988 ms

5 *

6 *

7 *

8 [AS22616] 136.226.74.154 111.581 ms

Measurement taken from

IPinfo ProbeNet in Lisbon, PT

On December 14th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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