1. All IP Ranges
  2. 147.0.0.0/8
  3. 147.161.0.0/16
  4. AS53813  | 147.161.204.0/23

147.161.204.0/23

AS53813  ·  ZSCALER, INC.

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Summary

Country Singapore
Domain zscaler.com
ASN AS53813
Parent Range 147.161.128.0/17
Registry RIPE
ID ZSCALER-SINGAPORE

WHOIS Details

inetnum:        147.161.204.0 - 147.161.205.255
netname:        ZSCALER-SINGAPORE
descr:          Zscaler Singapore
country:        SG
admin-c:        ZSCA-RIPE
tech-c:         ZSCA-RIPE
status:         LEGACY
mnt-by:         ZSCALER-RIPE-MNT
geofeed:        https://config.zscaler.com/downloads/geofeed.csv
created:        2025-11-06T04:22:44Z
last-modified:  2025-11-06T04:22:44Z
source:         RIPE
abuse-email:    [email protected]
abuse-c:        ZA1089-RIPE
abuse-org:      ORG-ZSG1-RIPE

role:           Zscaler Operations
address:        Zscaler, Inc.
address:        110 Rose Orchard Way
address:        San Jose, CA 95134
address:        UNITED STATES
phone:          +1-408-701-0534
e-mail:         [email protected]
admin-c:        BF2769-RIPE
admin-c:        CG8479-RIPE
admin-c:        GI2435-RIPE
tech-c:         BF2769-RIPE
tech-c:         CG8479-RIPE
tech-c:         GI2435-RIPE
nic-hdl:        ZSCA-RIPE
abuse-mailbox:  [email protected]
mnt-by:         ZSCALER-RIPE-MNT
created:        2015-01-17T01:13:59Z
last-modified:  2016-09-12T23:55:56Z
source:         RIPE

route:          147.161.204.0/23
descr:          Zscaler SIN4
origin:         AS53813
mnt-by:         ZSCALER-RIPE-MNT
created:        2022-01-12T22:59:39Z
last-modified:  2022-01-12T22:59:39Z
source:         RIPE

Overlapping Ranges

BGP prefixes that contain 147.161.204.0/23

Range ASN Company Num of IPs
147.161.128.0/17 AS22616 Zscaler Switzerland GmbH 32,768

Nearby Ranges

BGP prefixes that overlap with 147.161.0.0/16

Range ASN Company Num of IPs
147.161.128.0/17 AS22616 Zscaler Switzerland GmbH 32,768
147.161.64.0/18 AS35699 ADAMO TELECOM 16,384
147.161.32.0/19 AS59371 RM H2 8/F SONG LING IND BLDG, 8,192
147.161.16.0/22 AS207464 Varanger KraftFiber AS 1,024
147.161.28.0/22 AS21430 WIA spol. s.r.o. 1,024
147.161.4.0/22 AS10958 Royell Communications, Inc. 1,024
147.161.24.0/22 AS202921 CC INTERNET s.r.o. 1,024
147.161.254.0/23 AS62044 Zscaler Frankfurt am Main 512
147.161.0.0/23 AS215156 Jerusalem College of Technology 512
147.161.128.0/23 AS22616 Zscaler Sao Paulo 512
147.161.236.0/23 AS62044 Zscaler Manchester 512
147.161.238.0/23 AS62044 Zscaler Frankfurt am Main 512
147.161.242.0/23 AS62044 Zscaler Zurich 512
147.161.244.0/23 AS62044 Zscaler Milan 512
147.161.246.0/23 AS62044 Zscaler Zurich 512
147.161.248.0/23 AS62044 Zscaler Warsaw 512
147.161.250.0/23 AS62044 Zscaler Munich 512
147.161.252.0/23 AS62044 Zscaler Zurich 512
147.161.192.0/23 AS53813 Zscaler Osaka 512
147.161.194.0/23 AS53813 Zscaler Osaka 512
147.161.196.0/23 AS53813 Zscaler Osaka 512
147.161.198.0/23 AS53813 Zscaler Tokyo 512
147.161.200.0/23 AS53813 Zscaler Tokyo 512
147.161.208.0/23 AS53813 Zscaler Sydney 512
147.161.210.0/23 AS53813 Zscaler Tokyo 512
147.161.212.0/23 AS53813 Zscaler Melbourne 512
147.161.214.0/23 AS53813 Zscaler Sydney 512
147.161.216.0/23 AS53813 Zscaler Auckland 512
147.161.218.0/23 AS53813 Zscaler Canberra 512
147.161.220.0/23 AS53813 Zscaler Canberra 512
147.161.130.0/23 AS62044 Zscaler Vienna 512
147.161.132.0/23 AS62044 Zscaler Amsterdam 512
147.161.134.0/23 AS62044 Zscaler Frankfurt am Main 512
147.161.136.0/23 AS62044 Zscaler Frankfurt am Main 512
147.161.138.0/23 AS62044 Zscaler Frankfurt am Main 512
147.161.140.0/23 AS62044 Zscaler London 512
147.161.142.0/23 AS62044 Zscaler London 512
147.161.144.0/23 AS62044 Zscaler London 512
147.161.146.0/23 AS62044 Zscaler Oslo 512
147.161.148.0/23 AS62044 Zscaler Brussels 512
147.161.150.0/23 AS62044 Zscaler Stockholm 512
147.161.152.0/23 AS62044 Zscaler Paris 512
147.161.154.0/23 AS62044 Zscaler Copenhagen 512
147.161.156.0/23 AS62044 Zscaler Amsterdam 512
147.161.158.0/23 AS62044 Zscaler Manchester 512
147.161.160.0/23 AS62044 Zscaler Dubai 512
147.161.162.0/23 AS62044 Zscaler Johannesburg 512
147.161.164.0/23 AS62044 Zscaler Frankfurt am Main 512
147.161.166.0/23 AS62044 Zscaler London 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

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

IP Address ASN Details
147.161.205.86 AS53813 ZSCALER, INC. 0.61ms from Singapore, SG
147.161.204.3 AS53813 ZSCALER, INC. 0.22ms 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
97.208.167.103 AS6167 Verizon Business 13.20ms from Chicago, US
24.53.186.87 AS13490 Buckeye Cablevision, Inc. 2.85ms from Detroit, US
93.204.249.119 AS3320 Deutsche Telekom AG 3.91ms from Duesseldorf, DE
103.171.95.71 AS140807 Nguyen Ngoc Thanh Trading Limited Company 0.32ms from Hanoi, VN
39.63.94.39 AS17557 Pakistan Telecommunication Company Limited 7.94ms from Karachi, PK
220.165.208.87 AS4134 CHINANET-BACKBONE 1.32ms from Kunming, CN
218.71.188.23 AS4134 CHINANET-BACKBONE 7.22ms from Ningbo, CN
80.11.141.23 AS3215 Orange S.A. 1.58ms from Paris, FR
186.194.70.215 AS28334 PROCESS SOLUTIONS TECNOLOGIA DA INFORMAÇÃO LTDA 5.27ms from Sao Paulo, BR
220.82.206.87 AS4766 Korea Telecom 4.34ms from Seoul, KR
139.224.160.247 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 4.62ms from Shanghai, CN
149.18.76.7 AS328867 Corebach Backbone SARL 0.59ms from Amsterdam, NL
180.180.113.7 AS23969 TOT Public Company Limited 2.67ms from Bangkok, TH
92.142.16.215 AS3215 Orange S.A. 8.75ms from Cayenne, GF
1.233.106.55 AS9318 SK Broadband Co Ltd 1.48ms from Incheon, KR
60.56.239.135 AS17511 OPTAGE Inc. 2.63ms from Osaka, JP
193.52.14.151 AS2200 Renater 12.38ms from Paris, FR
27.33.26.119 AS7545 TPG Telecom Limited 1.06ms from Perth, AU
18.206.132.199 AS14618 Amazon.com, Inc. 0.15ms from Reston, US
185.159.230.231 AS50601 Crossivity bv 0.32ms from Amsterdam, NL
66.16.232.71 AS7029 Windstream Communications LLC 0.45ms from Atlanta, US
76.145.246.183 AS7922 Comcast Cable Communications, LLC 3.30ms from Atlanta, US
61.2.129.23 AS9829 National Internet Backbone 8.75ms from Chennai, IN
128.1.59.7 AS21859 Zenlayer Inc 0.19ms from Dubai, AE
93.231.173.103 AS3320 Deutsche Telekom AG 7.55ms from Frankfurt am Main, DE

Traceroute

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

$
traceroute -a -n -q1 -f4 147.161.204.64
traceroute to 147.161.204.64 (147.161.204.64): 64 hops max, 52 byte packets
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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