101.2.236.0/23

AS53813 · ZSCALER, INC.

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Summary

Country	Australia
Domain	zscaler.com
ASN	AS53813
Parent Range	101.2.192.0/18
Registry	APNIC
ID	ZSCALER-SYDNEY

WHOIS Details

inetnum:        101.2.236.0 - 101.2.237.255
netname:        ZSCALER-SYDNEY
descr:          Zscaler Sydney
country:        AU
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:  2025-11-05T22:13:56Z
source:         APNIC

irt:            IRT-ZSCALER-AU
address:        Level 35, One International Towers, 100 Barangaroo Ave, Sydney NSW 2000
e-mail:         poc-abuse@zscaler.com
abuse-mailbox:  poc-abuse@zscaler.com
admin-c:        ZAPL2-AP
tech-c:         ZAPL2-AP
auth:           # Filtered
remarks:        poc-abuse@zscaler.com 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:         poc-abuse@zscaler.com
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:          101.2.236.0/23
origin:         AS53813
descr:          Zscaler Australia PTY LTD Level 35, One International Towers, 100 Barangaroo Ave
mnt-by:         MAINT-ZSCALER-AU
last-modified:  2025-10-09T10:59:03Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 101.2.236.0/23

Range	ASN	Company	Num of IPs
101.2.192.0/18	AS22616	Zscaler Australia Pty Ltd	16,384

Nearby Ranges

BGP prefixes that overlap with 101.2.0.0/16

Range	ASN	Company	Num of IPs
101.2.192.0/18	AS22616	Zscaler Australia Pty Ltd	16,384
101.2.128.0/19	AS18260	EHIME CATV CO.,LTD.	8,192
101.2.176.0/20	AS18001	Dialog Axiata Plc	4,096
101.2.160.0/21	AS38592	Chittagong Online Limited.	2,048
101.2.172.0/22	AS58519	CHINANET FUJIAN PROVINCE NETWORK	1,024
101.2.224.0/23	AS53813	Zscaler Sydney	512
101.2.226.0/23	AS53813	Zscaler Sydney	512
101.2.228.0/23	AS53813	Zscaler Sydney	512
101.2.230.0/23	AS53813	Zscaler Sydney	512
101.2.232.0/23	AS53813	Zscaler Sydney	512
101.2.234.0/23	AS53813	Zscaler Sydney	512
101.2.238.0/23	AS53813	Zscaler Sydney	512
101.2.204.0/23	AS53813	Zscaler Tokyo	512
101.2.202.0/23	AS53813	Zscaler Tokyo	512
101.2.216.0/23	AS53813	Zscaler Melbourne	512
101.2.218.0/23	AS53813	Zscaler Melbourne	512
101.2.222.0/23	AS53813	Zscaler Sydney	512
101.2.215.0/24	AS53813	Zscaler New Delhi	256
101.2.240.0/24	AS53813	Zscaler New Delhi	256
101.2.241.0/24	AS53813	Zscaler Singapore	256
101.2.168.0/24	AS55707	Terra Networks Pty Ltd	256
101.2.169.0/24	AS55707	Terra Networks Pty Ltd VPS Customers	256
101.2.193.0/24	AS53813	Zscaler Japan TYO4	256
101.2.192.0/24	AS53813	Zscaler Singapore SIN4	256
101.2.194.0/24	AS53813	Zscaler Australia SYD3	256
101.2.195.0/24	AS53813	Zscaler India MAA2	256
101.2.196.0/24	AS53813	Zscaler Australia MEL2	256
101.2.197.0/24	AS53813	Zscaler India BOM6	256
101.2.198.0/24	AS53813	Zscaler India HYD1	256
101.2.199.0/24	AS53813	Zscaler Japan OSA1	256
101.2.200.0/24	AS53813	Zscaler Korea, Republic of SEL1	256
101.2.201.0/24	AS53813	Zscaler Taiwan, Province of China TPE2	256
101.2.206.0/24	AS53813	Zscaler Tokyo	256
101.2.207.0/24	AS53813	Zscaler Kolkata	256
101.2.208.0/24	AS53813	Zscaler New Delhi	256
101.2.214.0/24	AS53813	Zscaler Melbourne	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

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
104.41.128.119	AS8075 Microsoft Corporation	`0.43ms` from Ashburn, US
2.84.3.103	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`4.63ms` from Athens, GR
95.107.243.247	AS47394 "Albanian Satellite Communications" sh.p.k.	`6.64ms` from Bari, IT
152.13.84.23	AS53785 University of North Carolina at Greensboro	`11.40ms` from Herndon, US
8.218.217.199	AS45102 Alibaba (US) Technology Co., Ltd.	`0.69ms` from Hong Kong, HK
218.252.125.167	AS9908 HK Cable TV Ltd	`0.97ms` from Hong Kong, HK
27.34.28.103	AS17501 WorldLink Communications Pvt Ltd	`1.24ms` from Kathmandu, NP
213.99.215.215	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.18ms` from Madrid, ES
15.185.109.23	AS16509 Amazon.com, Inc.	`0.13ms` from Manama, BH
124.190.53.135	AS1221 Telstra Limited	`4.73ms` from Melbourne, AU
84.133.30.215	AS3320 Deutsche Telekom AG	`7.69ms` from Nuernberg, DE
20.111.44.247	AS8075 Microsoft Corporation	`0.39ms` from Paris, FR
70.171.228.183	AS22773 Cox Communications Inc.	`2.12ms` from Phoenix, US
52.55.119.151	AS14618 Amazon.com, Inc.	`0.17ms` from Reston, US
144.49.117.7	AS396982 Google LLC	`8.43ms` from Riyadh, SA
189.161.254.183	AS8151 UNINET	`5.70ms` from Santiago de Queretaro, MX
4.228.114.71	AS8075 Microsoft Corporation	`0.17ms` from Sao Paulo, BR
220.124.102.231	AS4766 Korea Telecom	`4.69ms` from Seoul, KR
115.11.115.151	AS4766 Korea Telecom	`5.00ms` from Seoul, KR
87.255.198.167	AS200590 NLS Kazakhstan LLC	`0.50ms` from Almaty, KZ
54.212.105.151	AS16509 Amazon.com, Inc.	`0.17ms` from Boardman, US
15.205.28.39	AS8987 Amazon Data Services Ireland Ltd	`0.34ms` from Boardman, US
197.165.177.23	AS24863 Link Egypt (Link.NET)	`8.78ms` from Cairo, EG
115.222.201.39	AS4134 CHINANET-BACKBONE	`13.50ms` from Hangzhou, CN
24.71.250.87	AS6327 Shaw Communications	`8.32ms` from Kelowna, 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 -m6 101.2.237.19

traceroute to 101.2.237.19 (101.2.237.19): 6 hops max, 52 byte packets

2 [AS3257] 209.120.128.65 8.622 ms

3 [AS3257] 141.136.105.130 14.373 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Los Angeles, US

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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