1. All IP Ranges
  2. 167.0.0.0/8
  3. 167.103.0.0/16
  4. AS53813  | 167.103.37.0/24

167.103.37.0/24

AS53813  ·  ZSCALER, INC.

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Summary

Country Singapore
Domain zscaler.com
ASN AS53813
Registry APNIC
ID ZSCALER-SIN4

WHOIS Details

inetnum:        167.103.37.0 - 167.103.37.255
netname:        ZSCALER-SIN4
descr:          Zscaler Singapore
country:        SG
admin-c:        ZAPL2-AP
tech-c:         ZAPL2-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-ZSCALER-AU
mnt-irt:        IRT-ZSCALER-AU
abuse-c:        AZ479-AP
geofeed:        https://config.zscaler.com/downloads/geofeed.csv
last-modified:  2023-12-12T19:55:00Z
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:           ABUSE ZSCALERAU
country:        ZZ
address:        Level 35, One International Towers, 100 Barangaroo Ave, Sydney NSW 2000
phone:          +000000000
e-mail:         poc-abuse@zscaler.com
admin-c:        ZAPL2-AP
tech-c:         ZAPL2-AP
nic-hdl:        AZ479-AP
remarks:        Generated from irt object IRT-ZSCALER-AU
remarks:        poc-abuse@zscaler.com was validated on 2025-12-17
abuse-mailbox:  poc-abuse@zscaler.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-17T16:59:00Z
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:          167.103.37.0/24
origin:         AS53813
descr:          Zscaler Australia PTY LTD Level 35, One International Towers, 100 Barangaroo Ave
mnt-by:         MAINT-ZSCALER-AU
last-modified:  2025-08-02T01:35:58Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 167.103.0.0/16

Range ASN Company Num of IPs
167.103.68.0/23 AS53813 Zscaler Singapore 512
167.103.250.0/23 AS53813 Zscaler Sydney 512
167.103.252.0/23 AS53813 Zscaler Sydney 512
167.103.254.0/23 AS53813 Zscaler Sydney 512
167.103.60.0/23 AS53813 Zscaler Singapore 512
167.103.62.0/23 AS53813 Zscaler Singapore 512
167.103.64.0/23 AS53813 Zscaler Singapore 512
167.103.66.0/23 AS53813 Zscaler Singapore 512
167.103.70.0/23 AS53813 Zscaler Chennai 512
167.103.72.0/23 AS53813 Zscaler Chennai 512
167.103.74.0/23 AS53813 Zscaler Chennai 512
167.103.76.0/23 AS53813 Zscaler Chennai 512
167.103.78.0/23 AS53813 Zscaler Chennai 512
167.103.80.0/23 AS53813 Zscaler Melbourne 512
167.103.82.0/23 AS53813 Zscaler Melbourne 512
167.103.88.0/23 AS53813 Zscaler Chennai 512
167.103.96.0/23 AS53813 Zscaler Seoul 512
167.103.98.0/23 AS53813 Zscaler Perth 512
167.103.168.0/23 AS62044 Zscaler Paris 512
167.103.218.0/23 AS62044 Zscaler London 512
167.103.220.0/23 AS62044 Zscaler London 512
167.103.222.0/23 AS62044 Zscaler Zurich 512
167.103.224.0/23 AS62044 Zscaler Zurich 512
167.103.226.0/23 AS62044 Zscaler Lisbon 512
167.103.100.0/23 AS53813 Zscaler Perth 512
167.103.102.0/23 AS53813 Zscaler Perth 512
167.103.112.0/23 AS53813 Zscaler Melbourne 512
167.103.114.0/23 AS53813 Zscaler Singapore 512
167.103.116.0/23 AS53813 Zscaler Singapore 512
167.103.118.0/23 AS53813 Zscaler Softech India Private Limited - Mumbai 512
167.103.120.0/23 AS53813 Zscaler Mumbai 512
167.103.122.0/23 AS53813 Zscaler Tokyo 512
167.103.124.0/23 AS53813 Zscaler Tokyo 512
167.103.126.0/23 AS53813 Zscaler Auckland 512
167.103.132.0/23 AS53813 Zscaler Mumbai 512
167.103.134.0/23 AS53813 Zscaler Mumbai 512
167.103.136.0/23 AS53813 Zscaler Mumbai 512
167.103.138.0/23 AS53813 Zscaler Mumbai 512
167.103.140.0/23 AS53813 Zscaler Mumbai 512
167.103.142.0/23 AS53813 Zscaler Sydney 512
167.103.144.0/23 AS53813 Zscaler Sydney 512
167.103.146.0/23 AS53813 Zscaler New Delhi 512
167.103.154.0/23 AS53813 Zscaler New Delhi 512
167.103.156.0/23 AS53813 Zscaler New Delhi 512
167.103.158.0/23 AS53813 Zscaler Singapore 512
167.103.160.0/23 AS53813 Zscaler Taipei 512
167.103.162.0/23 AS53813 Zscaler Singapore 512
167.103.164.0/23 AS53813 Zscaler Singapore 512
167.103.166.0/23 AS53813 Zscaler Tokyo 512
167.103.186.0/23 AS53813 Zscaler Mumbai 512

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

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

IP Address ASN Details
167.103.37.3 AS53813 ZSCALER, INC. 0.21ms from Singapore, SG

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
74.205.101.56 AS33070 Rackspace Hosting 1.06ms from Dallas, US
76.138.9.88 AS7922 Comcast Cable Communications, LLC 15.18ms from Dallas, US
35.159.242.40 AS16509 Amazon.com, Inc. 0.29ms from Frankfurt am Main, DE
93.102.35.56 AS2860 NOS COMUNICACOES, S.A. 12.15ms from Lisbon, PT
13.38.41.104 AS16509 Amazon.com, Inc. 0.15ms from Paris, FR
74.115.211.136 AS29889 Fast Serv Networks, LLC 0.67ms from San Diego, US
43.254.149.200 AS55994 Shanghai ruisu Network Technology Co.,Ltd 3.54ms from Shanghai, CN
34.217.31.184 AS16509 Amazon.com, Inc. 0.11ms from Boardman, US
34.136.103.168 AS396982 Google LLC 0.13ms from Council Bluffs, US
206.43.235.72 AS267587 CLICK SPEED SERVICOS DE TELECOMUNICACOES LTDA - EP 19.35ms from Fortaleza, BR
35.198.101.232 AS396982 Google LLC 0.09ms from Frankfurt am Main, DE
118.45.94.104 AS4766 Korea Telecom 7.24ms from Incheon, KR
49.149.220.8 AS9299 Philippine Long Distance Telephone Company 16.85ms from Manila, PH
126.108.69.8 AS17676 SoftBank Corp. 1.91ms from Osaka, JP
128.53.186.104 AS2514 NTT PC Communications, Inc. 2.26ms from Osaka, JP
213.188.222.168 AS40509 Fly.io, Inc. 0.09ms from Osasco, BR
177.121.108.40 AS26615 TIM S/A 1.74ms from Rio de Janeiro, BR
189.141.40.136 AS8151 UNINET 1.22ms from Santiago de Queretaro, MX
43.228.126.24 AS133322 XIMBO Internet Limited 0.62ms from Singapore, SG
73.207.47.24 AS7922 Comcast Cable Communications, LLC 3.84ms from Atlanta, US
74.135.130.152 AS10796 Charter Communications Inc 9.69ms from Chicago, US
173.184.69.120 AS7029 Windstream Communications LLC 10.59ms from Dallas, US
141.216.6.8 AS394769 University of Michigan - Flint 2.34ms from Detroit, US
162.19.119.136 AS16276 OVH SAS 0.11ms from Gravelines, FR
94.198.235.184 AS31724 Svyazist LLC 6.66ms from Kazan, RU

Traceroute

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

$
traceroute -a -n -q1 -f3 167.103.37.1
traceroute to 167.103.37.1 (167.103.37.1): 64 hops max, 52 byte packets
3 [AS53813] 167.103.37.1 0.264 ms
Measurement taken from IPinfo ProbeNet in Singapore, SG
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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