137.31.18.0/24

AS53813 · ZSCALER, INC.

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Summary

Country	India
Domain	zscaler.com
ASN	AS53813
Parent Range	137.31.0.0/16
Registry	RIPE
ID	ZSCALER-MUMBAI

WHOIS Details

inetnum:        137.31.18.0 - 137.31.18.255
netname:        ZSCALER-MUMBAI
descr:          Zscaler Mumbai
country:        IN
admin-c:        ZSCA-RIPE
tech-c:         ZSCA-RIPE
status:         LEGACY
mnt-by:         ZSCALER-RIPE-MNT
geofeed:        https://config.zscaler.com/downloads/geofeed.csv
created:        2026-03-16T17:02:00Z
last-modified:  2026-03-16T17:02:00Z
source:         RIPE
abuse-email:    poc-abuse@zscaler.com
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:         poc-tech@zscaler.com
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:  poc-abuse@zscaler.com
mnt-by:         ZSCALER-RIPE-MNT
created:        2015-01-17T01:13:59Z
last-modified:  2016-09-12T23:55:56Z
source:         RIPE

Overlapping Ranges

BGP prefixes that contain 137.31.18.0/24

Range	ASN	Company	Num of IPs
137.31.0.0/16	AS22616	Zscaler Switzerland GmbH	65,536

Nearby Ranges

BGP prefixes that overlap with 137.31.0.0/16

Range	ASN	Company	Num of IPs
137.31.0.0/16	AS22616	Zscaler Switzerland GmbH	65,536
137.31.0.0/22	AS62044	Zscaler Frankfurt am Main	1,024
137.31.12.0/23	AS62044	Zscaler Paris	512
137.31.16.0/24	AS62044	Zscaler Helsinki	256
137.31.15.0/24	AS22616	Zscaler Miami	256
137.31.17.0/24	AS53813	Zscaler Osaka	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
176.205.116.248	AS5384 Emirates Internet	`5.22ms` from Al Fujairah City, AE
95.110.157.168	AS31034 Aruba S.p.A.	`0.28ms` from Arezzo, IT
119.84.199.168	AS4134 CHINANET-BACKBONE	`2.75ms` from Chongqing, CN
86.131.35.88	AS2856 British Telecommunications PLC	`6.88ms` from Erith, GB
90.204.23.168	AS5607 Sky UK Limited	`5.04ms` from Erith, GB
117.135.207.216	AS138407 The Internet Data Center of Guizhou Mobile Communication Company Limited	`0.81ms` from Guiyang, CN
81.33.186.40	AS3352 TELEFONICA DE ESPANA S.A.U.	`3.84ms` from Madrid, ES
72.61.224.248	AS47583 Hostinger International Limited	`0.33ms` from Mumbai, IN
66.94.32.8	AS209242 Cloudflare London, LLC	`9.69ms` from New York City, US
114.66.26.184	AS136188 NINGBO, ZHEJIANG Province, P.R.China.	`0.19ms` from Ningbo, CN
27.121.234.248	AS2519 ARTERIA Networks Corporation	`2.40ms` from Osaka, JP
151.63.142.104	AS1267 WIND TRE S.P.A.	`11.77ms` from Rome, IT
125.158.149.8	AS4766 Korea Telecom	`1.44ms` from Seoul, KR
66.51.219.184	AS16509 Amazon.com, Inc.	`0.13ms` from Singapore, SG
203.217.33.232	AS7545 TPG Telecom Limited	`1.01ms` from Sydney, AU
36.224.214.216	AS3462 Data Communication Business Group	`1.31ms` from Taipei, TW
1.73.248.8	AS9605 NTT DOCOMO, INC.	`1.37ms` from Tokyo, JP
77.172.222.184	AS1136 KPN B.V.	`1.04ms` from Amsterdam, NL
52.234.250.184	AS8075 Microsoft Corporation	`0.40ms` from Ashburn, US
99.71.107.8	AS7018 AT&T Enterprises, LLC	`6.62ms` from Chicago, US
12.109.214.40	AS7018 AT&T Enterprises, LLC	`9.66ms` from Dallas, US
146.122.23.24	AS22216 Siemens Corporation	`1.37ms` from Detroit, US
84.118.60.88	AS3209 Vodafone GmbH	`9.46ms` from Frankfurt am Main, DE
35.244.240.56	AS396982 Google LLC	`0.07ms` from Johannesburg, ZA
182.183.189.56	AS17557 Pakistan Telecommunication Company Limited	`15.54ms` from Karachi, PK

Traceroute

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

traceroute -a -n -q1 -m6 137.31.18.99

traceroute to 137.31.18.99 (137.31.18.99): 6 hops max, 52 byte packets

1 [AS21277] 130.193.160.19 0.349 ms

2 *

3 [AS174] 149.14.211.42 1.009 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Erbil, IQ

On March 21st 2026

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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