1. All IP Ranges
  2. 165.0.0.0/8
  3. 165.225.0.0/16
  4. AS62044  | 165.225.238.0/23

165.225.238.0/23

AS62044  ·  Zscaler Switzerland GmbH

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Summary

Country United States
Domain zscaler.com
ASN AS62044
Parent Range 165.225.192.0/18
Registry ARIN
ID ZSCAL

WHOIS Details

NetHandle:      NET-165-225-192-0-1
OrgID:          ZSCAL
Parent:         NET-165-0-0-0-0
NetName:        ZSCAL
NetRange:       165.225.192.0 - 165.225.255.255
NetType:        allocation
RegDate:        2014-11-14
Updated:        2015-01-21
Source:         ARIN


OrgID:          ZSCAL
OrgName:        ZSCALER, INC.
CanAllocate:    
Street:         120 Holger Way
City:           San Jose
State/Prov:     CA
Country:        US
PostalCode:     95134
Comment:        Zscaler customer traffic originates from colocation facilities around the world. You should *NOT* use the address or contact information here for the purposes of geolocation. Additionally, because traffic egressing our network may belong to any one of our customers, you should not assume that this traffic belongs to us.
Comment:        For network or security incidents, please reach out to our abuse POC, which is actually monitored and actioned.
RegDate:        2011-03-18
Updated:        2025-11-06
OrgAdminHandle: CHANG452-ARIN
OrgTechHandle:  MMT31-ARIN
OrgTechHandle:  POCTE3-ARIN
OrgAbuseHandle: POCAB2-ARIN
OrgNOCHandle:   POCNO1-ARIN
Source:         ARIN


POCHandle:      MMT31-ARIN
IsRole:         N
LastName:       Teng
FirstName:      Michael
Street:         120 Holder Way
City:           San Jose
State/Prov:     CA
Country:        US
PostalCode:     95134
RegDate:        2023-06-02
Updated:        2025-08-12
OfficePhone:    +1-650-937-9195
Mailbox:        mteng@zscaler.com
Source:         ARIN


POCHandle:      CHANG452-ARIN
IsRole:         N
LastName:       Chang
FirstName:      Yulin
Street:         120 Holger Way
City:           San Jose
State/Prov:     CA
Country:        US
PostalCode:     95134
RegDate:        2025-08-22
Updated:        2025-08-22
OfficePhone:    +1-408-533-0288
Mailbox:        ychang@zscaler.com
Source:         ARIN


POCHandle:      POCTE3-ARIN
IsRole:         Y
LastName:       poc-tech
FirstName:      
Street:         120 Holger Way Fl 7
City:           San Jose
State/Prov:     CA
Country:        US
PostalCode:     95134
RegDate:        2014-09-29
Updated:        2024-10-16
OfficePhone:    +1-408-701-0534
Mailbox:        poc-tech@zscaler.com
Source:         ARIN


POCHandle:      POCNO1-ARIN
IsRole:         Y
LastName:       poc-noc
FirstName:      
Street:         120 Holger Way Fl 7
City:           San Jose
State/Prov:     CA
Country:        US
PostalCode:     95134
RegDate:        2014-09-29
Updated:        2024-10-16
OfficePhone:    +1-408-701-0534
Mailbox:        poc-noc@zscaler.com
Source:         ARIN


POCHandle:      POCAB2-ARIN
IsRole:         Y
LastName:       poc-abuse
FirstName:      
Street:         120 Holger Way Fl 7
City:           San Jose
State/Prov:     CA
Country:        US
PostalCode:     95134
RegDate:        2014-09-29
Updated:        2024-10-16
OfficePhone:    +1-408-701-0534
Mailbox:        poc-abuse@zscaler.com
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 165.225.238.0/23

Range ASN Company Num of IPs
165.225.192.0/18 AS22616 ZSCALER, INC. 16,384
165.225.192.0/18 AS62044 ZSCALER, INC. 16,384

Nearby Ranges

BGP prefixes that overlap with 165.225.0.0/16

Range ASN Company Num of IPs
165.225.0.0/17 AS16509 ZSCALER, INC. 32,768
165.225.0.0/17 AS22616 ZSCALER, INC. 32,768
165.225.0.0/17 AS62044 ZSCALER, INC. 32,768
165.225.192.0/18 AS62044 ZSCALER, INC. 16,384
165.225.192.0/18 AS22616 ZSCALER, INC. 16,384
165.225.76.0/22 AS62044 Zscaler, Inc. 1,024
165.225.228.0/23 AS53813 Zscaler, Inc 512
165.225.3.0/24 AS22616 Zscaler, Inc. 256
165.225.40.0/24 AS22616 Zscaler, Inc. 256
165.225.4.0/24 AS22616 Zscaler, Inc. 256
165.225.41.0/24 AS22616 Zscaler, Inc. 256
165.225.42.0/24 AS22616 Zscaler, Inc. 256
165.225.43.0/24 AS22616 Zscaler, Inc. 256
165.225.44.0/24 AS22616 Zscaler, Inc. 256
165.225.45.0/24 AS22616 Zscaler, Inc. 256
165.225.46.0/24 AS22616 Zscaler, Inc. 256
165.225.48.0/24 AS22616 Zscaler, Inc. 256
165.225.49.0/24 AS22616 Zscaler, Inc. 256
165.225.5.0/24 AS22616 Zscaler, Inc. 256
165.225.54.0/24 AS22616 Zscaler, Inc. 256
165.225.55.0/24 AS22616 Zscaler, Inc. 256
165.225.102.0/24 AS53813 Zscaler, Inc. 256
165.225.104.0/24 AS53813 Zscaler Softech India Private Limited 256
165.225.105.0/24 AS53813 Zscaler Softech India Private Limited 256
165.225.106.0/24 AS53813 Zscaler Softech India Private Limited 256
165.225.107.0/24 AS53813 Zscaler Softech India Private Limited 256
165.225.114.0/24 AS53813 Zscaler, Inc. 256
165.225.118.0/24 AS53813 Zscaler, Inc. 256
165.225.120.0/24 AS53813 Zscaler Softech India Private Limited 256
165.225.30.0/24 AS62044 Zscaler, Inc. 256
165.225.31.0/24 AS62044 Zscaler, Inc. 256
165.225.70.0/24 AS62044 Zscaler, Inc. 256
165.225.71.0/24 AS62044 Zscaler, Inc. 256
165.225.74.0/24 AS62044 Zscaler, Inc. 256
165.225.75.0/24 AS62044 Zscaler, Inc. 256
165.225.90.0/24 AS62044 Zscaler, Inc. 256
165.225.18.0/24 AS22616 Zscaler, Inc. 256
165.225.19.0/24 AS22616 Zscaler, Inc. 256
165.225.2.0/24 AS22616 Zscaler, Inc. 256
165.225.212.0/24 AS22616 Zscaler, Inc. 256
165.225.244.0/24 AS22616 Zscaler, Inc. 256
165.225.245.0/24 AS22616 Zscaler, Inc. 256

Hosted domains

There are no domains currently hosted on this ASN.

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
Read more

Pingable IPs

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

IP Address ASN Details
165.225.238.3 AS62044 Zscaler Switzerland GmbH 0.18ms from Stockholm, SE
165.225.239.126 AS62044 Zscaler Switzerland GmbH 0.14ms from Stockholm, SE

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
91.84.99.167 AS216071 SERVERS TECH FZCO 0.55ms from Amsterdam, NL
89.193.64.135 AS8011 MongoDB, Inc. 0.44ms from Ashburn, US
75.131.42.23 AS20115 Charter Communications LLC 15.18ms from Atlanta, US
54.70.195.87 AS16509 Amazon.com, Inc. 0.18ms from Boardman, US
65.28.51.87 AS10796 Charter Communications Inc 6.29ms from Chicago, US
112.147.20.87 AS17858 LG POWERCOMM 4.35ms from Incheon, KR
207.6.1.7 AS852 TELUS Communications Inc. 9.71ms from Kelowna, CA
95.62.228.71 AS12430 VODAFONE ESPANA S.A.U. 13.35ms from Madrid, ES
37.158.21.135 AS3352 TELEFONICA DE ESPANA S.A.U. 17.12ms from Madrid, ES
213.207.172.199 AS15805 EPIC LTD 1.58ms from Nicosia, CY
168.194.81.183 AS265395 CELERIUM COMUNICACOES LTDA 19.48ms from Osasco, BR
90.24.97.55 AS3215 Orange S.A. 9.84ms from Paris, FR
46.117.224.199 AS1680 Cellcom Fixed Line Communication L.P 3.09ms from Rosh Ha‘Ayin, IL
67.66.149.199 AS7018 AT&T Enterprises, LLC 16.58ms from San Jose, US
112.163.64.247 AS4766 Korea Telecom 6.96ms from Seoul, KR
58.171.125.7 AS1221 Telstra Limited 3.59ms from Sydney, AU
209.237.183.167 AS19871 Network Solutions, LLC 0.76ms from Atlanta, US
5.30.97.199 AS15802 Emirates Integrated Telecommunications Company PJSC 3.45ms from Dubai, AE
88.193.170.215 AS1759 Telia Finland Oyj 4.01ms from Helsinki, FI
125.166.63.87 AS7713 PT Telekomunikasi Indonesia 4.40ms from Jakarta, ID
91.217.36.7 AS51483 SaSG GmbH & Co. KG 5.99ms from Ljubljana, SI
81.33.117.55 AS3352 TELEFONICA DE ESPANA S.A.U. 2.44ms from Madrid, ES
211.33.85.167 AS9318 SK Broadband Co Ltd 3.44ms from Seoul, KR
95.180.176.135 AS41557 Drustvo za telekomunikaciski uslugi TELEKABEL DOOEL Stip 3.32ms from Skopje, MK
86.95.198.7 AS1136 KPN B.V. 2.42ms from Amsterdam, NL

Traceroute

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

$
traceroute -a -n -q1 -f5 165.225.238.1
traceroute to 165.225.238.1 (165.225.238.1): 64 hops max, 52 byte packets
5 [AS3356] 171.75.9.111 39.221 ms
Measurement taken from IPinfo ProbeNet in Sheffield, GB
On

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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