104.129.204.0/24

AS22616 · ZSCALER, INC.

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Summary

Country	United States
Domain	zscaler.com
ASN	AS22616
Registry	ARIN
ID	ZSCALER-ATL2

WHOIS Details

NetHandle:      NET-104-129-204-0-1
OrgID:          C05687140
Parent:         NET-104-129-192-0-1
NetName:        ZSCALER-ATL2
NetRange:       104.129.204.0 - 104.129.204.255
NetType:        reassignment
RegDate:        2015-04-17
Updated:        2015-04-17
Source:         ARIN


OrgID:          C05687140
OrgName:        Zscaler, Inc.
CanAllocate:    
Street:         56 Marietta Street Northwest
City:           Atlanta
State/Prov:     GA
Country:        US
PostalCode:     30303
RegDate:        2015-04-17
Updated:        2015-04-17
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 104.129.0.0/16

Range	ASN	Company	Num of IPs
104.129.64.0/19	AS46887	Crown Castle Fiber LLC	8,192
104.129.208.0/20	AS395846	Fiber Networks LLC	4,096
104.129.240.0/20	AS21769	Colocation America Corporation	4,096
104.129.136.0/21	AS46450	Pilot Fiber, Inc.	2,048
104.129.160.0/22	AS834	Private Customer	1,024
104.129.144.0/22	AS396982	Imgix, Inc.	1,024
104.129.184.0/22	AS25820	IT7 Networks Inc	1,024
104.129.152.0/22	AS62642	Bigleaf Networks, Inc.	1,024
104.129.176.0/22	AS33247	COASTAL TELCO SERVICES, INC.	1,024
104.129.188.0/22	AS33544	WiLine Networks Inc.	1,024
104.129.14.0/23	AS36352	HostPapa	512
104.129.134.0/23	AS400331	Siteaction	512
104.129.150.0/23	AS54271	Mechanics Bank	512
104.129.53.0/24	AS203020	NewIPNow	256
104.129.60.0/24	AS203020		256
104.129.63.0/24	AS203020		256
104.129.8.0/24	AS203020	www.interserver.net	256
104.129.44.0/24	AS20473	West Coast Internet Provider LLC	256
104.129.55.0/24	AS20473	West Coast Internet Provider LLC	256
104.129.194.0/24	AS22616	Zscaler, Inc.	256
104.129.195.0/24	AS22616	Zscaler, Inc.	256
104.129.205.0/24	AS22616	Zscaler, Inc.	256
104.129.68.0/24	AS25938	Soros Fund Management, LLC	256
104.129.171.0/24	AS29802	Cloud Server Panel	256
104.129.241.0/24	AS32024	Fiberocity LTD	256
104.129.0.0/24	AS36352	HostPapa	256
104.129.12.0/24	AS36352		256
104.129.16.0/24	AS36352	HostPapa	256
104.129.17.0/24	AS36352	HostPapa	256
104.129.22.0/24	AS36352		256
104.129.28.0/24	AS36352		256
104.129.248.0/24	AS11427	Bunny Communications LLC	256
104.129.5.0/24	AS36352	www.interserver.net	256
104.129.6.0/24	AS36352	chenchen	256
104.129.7.0/24	AS36352	chenchen	256
104.129.157.0/24	AS393626	A-dec Inc.	256
104.129.91.0/24	AS394492	US Electrodynamics Inc.	256
104.129.130.0/24	AS396949	Cloud Web Manage	256
104.129.131.0/24	AS396949	Cloud Web Manage	256
104.129.245.0/24	AS400175	Microtronix ESolutions, LLC	256
104.129.68.0/24	AS46887	Soros Fund Management, LLC	256
104.129.78.0/24	AS46887	netBlazr	256
104.129.79.0/24	AS46887	Emmi Solutions	256
104.129.90.0/24	AS46887	Provide Support, LLC	256
104.129.128.0/24	AS54913	Cloud Web Manage	256
104.129.129.0/24	AS54913	Cloud Web Manage	256
104.129.51.0/24	AS55154	Madgenius.com	256
104.129.39.0/24	AS36352		256
104.129.156.0/24	AS11734	Hibbett Retail, 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
104.129.204.115	pmdetroit.com	1

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

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

IP Address	ASN	Details
104.129.204.216	AS22616 ZSCALER, INC.	`0.17ms` from Atlanta, 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
185.173.133.120	AS206861 CleverIT B.V.	`2.08ms` from Amsterdam, NL
188.36.3.184	AS5483 Magyar Telekom Plc.	`5.06ms` from Budapest, HU
14.254.76.232	AS45899 VNPT Corp	`4.48ms` from Da Nang, VN
178.142.219.232	AS9145 EWE TEL GmbH	`4.87ms` from Hamburg, DE
83.43.233.232	AS3352 TELEFONICA DE ESPANA S.A.U.	`10.16ms` from Madrid, ES
176.86.2.232	AS3352 TELEFONICA DE ESPANA S.A.U.	`6.66ms` from Madrid, ES
24.212.0.40	AS35911 Telebec	`8.46ms` from Montreal, CA
4.178.10.24	AS8075 Microsoft Corporation	`0.34ms` from Paris, FR
189.248.39.120	AS8151 UNINET	`11.33ms` from Phoenix, US
39.69.247.216	AS4837 CHINA UNICOM China169 Backbone	`4.89ms` from Qingdao, CN
13.65.168.200	AS8075 Microsoft Corporation	`0.24ms` from San Antonio, US
58.184.116.8	AS9950 DACOM-PUBNETPLUS	`7.90ms` from Seoul, KR
219.54.225.8	AS17676 SoftBank Corp.	`3.58ms` from Tokyo, JP
105.99.4.88	AS36947 Telecom Algeria	`10.70ms` from Algiers, DZ
221.198.179.168	AS4837 CHINA UNICOM China169 Backbone	`5.47ms` from Beijing, CN
98.206.75.72	AS7922 Comcast Cable Communications, LLC	`6.07ms` from Chicago, US
46.3.32.120	AS49304 SAKURA LINK LIMITED	`0.55ms` from Hong Kong, HK
72.180.159.120	AS11427 Charter Communications Inc	`14.11ms` from Houston, US
81.2.122.56	AS20712 Andrews & Arnold Ltd	`2.50ms` from London, GB
95.54.243.184	AS12389 PJSC Rostelecom	`2.29ms` from Murmansk, RU
74.66.68.88	AS12271 Charter Communications Inc	`4.44ms` from New York City, US
4.229.235.88	AS8075 Microsoft Corporation	`0.39ms` from Toronto, CA
171.4.81.40	AS45758 Triple T Broadband Public Company Limited	`4.38ms` from Bangkok, TH
91.127.66.232	AS6855 Slovak Telekom, a.s.	`1.51ms` from Bratislava, SK
71.239.239.232	AS7922 Comcast Cable Communications, LLC	`5.89ms` from Chicago, US

Traceroute

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

traceroute -a -n -q1 -f3 104.129.204.13

traceroute to 104.129.204.13 (104.129.204.13): 64 hops max, 52 byte packets

3 [AS7578] 223.165.7.238 227.013 ms

4 *

5 [AS22616] 104.129.204.13 0.174 ms

Measurement taken from

IPinfo ProbeNet in Atlanta, US

On December 28th 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.

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