136.226.238.0/23

AS53813 · ZSCALER, INC.

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Summary

Country	Japan
Domain	zscaler.com
ASN	AS53813
Parent Range	136.226.0.0/16
Registry	ARIN
ID	ZSCALER-TYO4

WHOIS Details

NetHandle:      NET-136-226-238-0-1
OrgID:          C08472503
Parent:         NET-136-226-0-0-1
NetName:        ZSCALER-TYO4
NetRange:       136.226.238.0 - 136.226.238.255
NetType:        reassignment
RegDate:        2022-05-23
Updated:        2022-05-23
Source:         ARIN


OrgID:          C08472503
OrgName:        Zscaler, Inc.
CanAllocate:    
Street:         2-2-43 Higashi-shinagawa
Street:         Shinagawa-ku
City:           Tokyo
State/Prov:     
Country:        JP
PostalCode:     140-0002
RegDate:        2022-05-23
Updated:        2022-05-23
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 136.226.238.0/23

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 are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
136.226.239.211	AS53813 ZSCALER, INC.	`0.41ms` from Tokyo, JP
136.226.238.1	AS53813 ZSCALER, INC.	`0.17ms` from Tokyo, JP

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
104.49.241.39	AS7018 AT&T Enterprises, LLC	`17.29ms` from Atlanta, US
76.97.109.151	AS7922 Comcast Cable Communications, LLC	`6.11ms` from Atlanta, US
120.53.133.87	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.70ms` from Beijing, CN
34.211.0.23	AS16509 Amazon.com, Inc.	`0.20ms` from Boardman, US
3.128.129.183	AS16509 Amazon.com, Inc.	`0.19ms` from Columbus, US
68.95.104.231	AS7018 AT&T Enterprises, LLC	`8.71ms` from Dallas, US
86.45.92.215	AS5466 Eircom Limited	`4.50ms` from Dublin, IE
195.4.172.167	AS60175 WORTMANN AG	`4.47ms` from Duesseldorf, DE
178.254.11.55	AS42730 EVANZO e-commerce GmbH	`0.36ms` from Frankfurt am Main, DE
14.241.32.71	AS45899 VNPT Corp	`3.20ms` from Hanoi, VN
113.0.187.183	AS4837 CHINA UNICOM China169 Backbone	`3.31ms` from Harbin, CN
176.142.106.199	AS5410 Bouygues Telecom SA	`2.18ms` from Marseille, FR
151.20.51.71	AS1267 WIND TRE S.P.A.	`2.00ms` from Milan, IT
69.206.20.23	AS12271 Charter Communications Inc	`3.97ms` from New York City, US
34.195.33.151	AS14618 Amazon.com, Inc.	`0.17ms` from Reston, US
71.156.107.119	AS7018 AT&T Enterprises, LLC	`2.42ms` from San Jose, US
183.101.171.23	AS4766 Korea Telecom	`0.87ms` from Seoul, KR
133.130.250.55	AS2514 NTT PC Communications, Inc.	`5.61ms` from Tokyo, JP
115.59.27.87	AS4837 CHINA UNICOM China169 Backbone	`6.18ms` from Zhengzhou, CN
104.70.255.199	AS16625 Akamai Technologies, Inc.	`3.87ms` from Cleveland, US
83.248.45.87	AS1257 Tele2 Sverige AB	`11.12ms` from Goeteborg, SE
79.79.140.215	AS13285 TalkTalk Communications Limited	`1.38ms` from London, GB
216.213.100.39	AS13984 SD Data Center	`0.17ms` from Miami, US
87.90.185.71	AS5410 Bouygues Telecom SA	`2.17ms` from Paris, FR
95.228.217.183	AS3269 Telecom Italia S.p.A.	`2.64ms` from Rome, IT

Traceroute

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

traceroute -a -n -q1 -f4 136.226.239.222

traceroute to 136.226.239.222 (136.226.239.222): 64 hops max, 52 byte packets

4 [AS63949] 139.162.64.101 0.522 ms

5 *

6 [AS53813] 136.226.239.222 0.583 ms

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On January 9th 2026

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.

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