1. All IP Ranges
  2. 101.0.0.0/8
  3. 101.2.0.0/16
  4. AS53813  | 101.2.242.0/23

101.2.242.0/23

AS53813  ·  ZSCALER, INC.

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Summary

Country Hong Kong
Domain zscaler.com
ASN AS53813
Parent Range 101.2.192.0/18
Registry APNIC
ID ZSCALER-HONG-KONG

WHOIS Details

inetnum:        101.2.242.0 - 101.2.243.255
netname:        ZSCALER-HONG-KONG
descr:          Zscaler Hong Kong
country:        HK
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:  2026-01-16T14:07:26Z
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 2025-12-17
mnt-by:         MAINT-ZSCALER-AU
last-modified:  2025-12-17T16:58:43Z
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

Overlapping Ranges

BGP prefixes that contain 101.2.242.0/23

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
101.2.232.0/23 AS53813 Zscaler Sydney 512
101.2.202.0/23 AS53813 Zscaler Tokyo 512
101.2.204.0/23 AS53813 Zscaler Tokyo 512
101.2.216.0/23 AS53813 Zscaler Melbourne 512
101.2.218.0/23 AS53813 Zscaler Melbourne 512
101.2.220.0/23 AS53813 Zscaler New Delhi 512
101.2.222.0/23 AS53813 Zscaler Sydney 512
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
101.2.234.0/23 AS53813 Zscaler Sydney 512
101.2.236.0/23 AS53813 Zscaler Sydney 512
101.2.238.0/23 AS53813 Zscaler Sydney 512
101.2.214.0/24 AS53813 Zscaler Melbourne 256
101.2.215.0/24 AS53813 Zscaler New Delhi 256
101.2.192.0/24 AS53813 Zscaler Singapore SIN4 256
101.2.193.0/24 AS53813 Zscaler Japan TYO4 256
101.2.246.0/24 AS53813 Zscaler Tokyo 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
101.2.194.0/24 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
101.2.240.0/24 AS53813 Zscaler New Delhi 256
101.2.241.0/24 AS53813 Zscaler Singapore 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
101.2.209.0/24 AS53813 Zscaler Tokyo 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

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

IP Address ASN Details
101.2.242.3 AS53813 ZSCALER, INC. 0.15ms from Hong Kong, HK

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
120.132.59.87 AS23724 IDC, China Telecommunications Corporation 2.78ms from Beijing, CN
174.96.57.231 AS10796 Charter Communications Inc 12.41ms from Columbus, US
187.65.205.151 AS28573 Claro NXT Telecomunicacoes Ltda 18.83ms from Curitiba, BR
61.174.189.39 AS4134 CHINANET-BACKBONE 10.19ms from Hangzhou, CN
58.241.35.199 AS4837 CHINA UNICOM China169 Backbone 3.75ms from Nanjing, CN
200.225.51.7 AS61610 ELEA DATA CENTERS 0.94ms from Novo Hamburgo, BR
210.134.252.167 AS2512 TCP Inc. 2.84ms from Osaka, JP
3.226.191.183 AS14618 Amazon.com, Inc. 0.21ms from Reston, US
84.23.149.247 AS16117 Gavle Energi AB 3.50ms from Stockholm, SE
140.113.62.183 AS9916 National Yang Ming Chiao Tung University 3.53ms from Taipei, TW
185.60.213.215 AS48642 Joint stock company For 5.94ms from Yekaterinburg, RU
1.250.41.151 AS9318 SK Broadband Co Ltd 5.02ms from Incheon, KR
217.169.196.231 AS19905 Vercara, LLC 2.64ms from Istanbul, TR
86.132.2.23 AS2856 British Telecommunications PLC 1.54ms from London, GB
90.198.141.199 AS5607 Sky UK Limited 3.54ms from London, GB
43.232.184.119 AS17506 ARTERIA Networks Corporation 8.01ms from Osaka, JP
60.105.107.231 AS17676 SoftBank Corp. 4.03ms from Osaka, JP
180.34.135.199 AS4713 NTT DOCOMO BUSINESS,Inc. 2.76ms from Osaka, JP
24.251.231.7 AS22773 Cox Communications Inc. 4.19ms from Phoenix, US
35.174.179.215 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
201.113.179.55 AS8151 UNINET 10.77ms from Santiago de Queretaro, MX
123.155.141.119 AS4837 CHINA UNICOM China169 Backbone 5.18ms from Shanghai, CN
77.29.178.119 AS6821 Makedonski Telekom AD-Skopje 5.03ms from Skopje, MK
70.73.10.55 AS6327 Shaw Communications 5.04ms from Calgary, CA
216.240.95.247 AS12067 ShawneeLink Corporation 11.38ms 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 -m6 101.2.243.166
traceroute to 101.2.243.166 (101.2.243.166): 6 hops max, 52 byte packets
1 [AS198385] 37.35.109.2 0.269 ms
2 [AS198385] 5.1.99.24 0.234 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Lausanne, CH
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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