175.107.132.0/23

AS53813 · ZSCALER, INC.

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Summary

Country	South Korea
Domain	zscaler.com
ASN	AS53813
Parent Range	175.107.128.0/18
Registry	APNIC
ID	ZSCALER-SEOUL

WHOIS Details

inetnum:        175.107.132.0 - 175.107.133.255
netname:        ZSCALER-SEOUL
descr:          Zscaler Seoul
country:        KR
mnt-by:         MAINT-ZSCALER-AU
admin-c:        ZAPL2-AP
tech-c:         ZAPL2-AP
abuse-c:        ZAPL2-AP
geofeed:        https://config.zscaler.com/downloads/geofeed.csv
status:         ASSIGNED NON-PORTABLE
mnt-irt:        IRT-ZSCALER-AU
last-modified:  2025-11-05T22:12:11Z
source:         APNIC

irt:            IRT-ZSCALER-AU
address:        Level 35, One International Towers, 100 Barangaroo Ave, Sydney NSW 2000
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        ZAPL2-AP
tech-c:         ZAPL2-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2025-05-28
mnt-by:         MAINT-ZSCALER-AU
last-modified:  2025-11-18T00:36:02Z
source:         APNIC

role:           Zscaler Australia PTY LTD administrator
address:        Level 35, One International Towers, 100 Barangaroo Ave, Sydney NSW 2000
country:        AU
phone:          +1-408-701-0534
e-mail:         [email protected]
admin-c:        ZAPL2-AP
tech-c:         ZAPL2-AP
nic-hdl:        ZAPL2-AP
mnt-by:         MAINT-ZSCALER-AU
last-modified:  2022-05-10T16:31:18Z
source:         APNIC

route:          175.107.133.0/24
origin:         AS53813
descr:          Zscaler Australia PTY LTD Level 35, One International Towers, 100 Barangaroo Ave
mnt-by:         MAINT-ZSCALER-AU
last-modified:  2025-09-02T17:55:13Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 175.107.132.0/23

Range	ASN	Company	Num of IPs
175.107.128.0/18	AS22616	Zscaler Australia Pty Ltd	16,384

Nearby Ranges

BGP prefixes that overlap with 175.107.0.0/16

Range	ASN	Company	Num of IPs
175.107.128.0/18	AS22616	Zscaler Australia Pty Ltd	16,384
175.107.200.0/22	AS9541	Broadband Services	1,024
175.107.128.0/23	AS53813	Zscaler Singapore	512
175.107.130.0/23	AS53813	Zscaler Singapore	512
175.107.144.0/23	AS53813	Zscaler Osaka	512
175.107.146.0/23	AS53813	Zscaler Osaka	512
175.107.148.0/23	AS53813	Zscaler Osaka	512
175.107.150.0/23	AS53813	Zscaler Osaka	512
175.107.152.0/23	AS53813	Zscaler Tokyo	512
175.107.154.0/23	AS53813	Zscaler Tokyo	512
175.107.156.0/23	AS53813	Zscaler Tokyo	512
175.107.158.0/23	AS53813	Zscaler Tokyo	512
175.107.134.0/24	AS53813	Zscaler Seoul	256

Hosted domains

There are 16 domain names hosted across 7 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
175.107.133.25	feroreinforcing.com.au	4
175.107.133.9	equatorial-resources.com.au	3
175.107.133.177	wrbaustralia.com	3
175.107.132.161	fulcrumnq.net.au	2
175.107.133.89	hnnt.org.au	2
175.107.133.74	theespressoclub.com	1
175.107.132.65	wrgh.com.au	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

Read more

Pingable IPs

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

IP Address	ASN	Details
175.107.133.205	AS53813 ZSCALER, INC.	`0.75ms` from Seoul, KR
175.107.132.2	AS53813 ZSCALER, INC.	`0.80ms` from Seoul, KR

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
213.10.64.215	AS1136 KPN B.V.	`2.54ms` from Amsterdam, NL
23.53.115.151	AS16625 Akamai Technologies, Inc.	`0.46ms` from Amsterdam, NL
199.83.130.215	AS19551 Incapsula Inc	`0.20ms` from Amsterdam, NL
52.226.244.135	AS8075 Microsoft Corporation	`0.34ms` from Ashburn, US
52.33.43.39	AS16509 Amazon.com, Inc.	`0.13ms` from Boardman, US
81.242.213.231	AS5432 Proximus NV	`3.76ms` from Brussels, BE
113.165.117.167	AS45899 VNPT Corp	`7.43ms` from Da Nang, VN
222.255.177.23	AS45899 VNPT Corp	`0.16ms` from Da Nang, VN
20.233.174.215	AS8075 Microsoft Corporation	`0.91ms` from Dubai, AE
176.224.112.215	AS35819 Etihad Etisalat, a joint stock company	`3.83ms` from Jeddah, SA
124.189.30.199	AS1221 Telstra Limited	`2.02ms` from Melbourne, AU
85.34.67.231	AS3269 Telecom Italia S.p.A.	`5.11ms` from Milan, IT
76.22.229.135	AS7922 Comcast Cable Communications, LLC	`8.69ms` from Murfreesboro, US
124.150.210.23	AS7679 QTnet,Inc.	`12.20ms` from Osaka, JP
179.134.60.119	AS26599 TELEFÔNICA BRASIL S.A	`5.18ms` from Rio de Janeiro, BR
185.7.137.183	AS31264 ADVANIA NORGE AS	`9.65ms` from Sandefjord, NO
187.148.235.87	AS8151 UNINET	`8.42ms` from Santiago de Queretaro, MX
187.174.141.215	AS8151 UNINET	`0.97ms` from Santiago de Queretaro, MX
87.97.250.183	AS13124 A1 Bulgaria EAD	`5.66ms` from Sofia, BG
111.240.153.183	AS3462 Data Communication Business Group	`0.92ms` from Taipei, TW
111.168.187.71	AS2518 BIGLOBE Inc.	`11.06ms` from Tokyo, JP
123.57.179.23	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`1.96ms` from Beijing, CN
88.73.233.183	AS3209 Vodafone GmbH	`8.18ms` from Duesseldorf, DE
84.74.246.183	AS6730 Sunrise GmbH	`12.00ms` from Geneve, CH
71.7.147.247	AS11260 EastLink	`7.48ms` from Halifax, CA

Traceroute

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

traceroute -a -n -q1 -f2 175.107.133.213

traceroute to 175.107.133.213 (175.107.133.213): 64 hops max, 52 byte packets

2 [AS63997] 121.50.40.254 1.04 ms

3 [] 210.173.184.189 12.738 ms

4 *

5 *

6 *

7 [AS3786] 211.40.154.58 55.508 ms

8 [AS53813] 175.107.133.213 50.454 ms

Measurement taken from

IPinfo ProbeNet in Nagano, JP

On December 6th 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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