137.31.17.0/24

AS53813 · ZSCALER, INC.

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Summary

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

WHOIS Details

inetnum:        137.31.17.0 - 137.31.17.255
netname:        ZSCALER-OSAKA
descr:          Zscaler Osaka
country:        JP
admin-c:        ZSCA-RIPE
tech-c:         ZSCA-RIPE
status:         LEGACY
mnt-by:         ZSCALER-RIPE-MNT
geofeed:        https://config.zscaler.com/downloads/geofeed.csv
created:        2026-03-16T17:01:28Z
last-modified:  2026-03-16T17:01:28Z
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 137.31.17.0/24

Range	ASN	Company	Num of IPs
137.31.0.0/16	AS22616	Zscaler Switzerland GmbH	65,536
137.31.0.0/16	AS53813	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
137.31.0.0/16	AS53813	Zscaler Switzerland GmbH	65,536
137.31.0.0/22	AS62044	Zscaler Frankfurt am Main	1,024
137.31.32.0/23	AS62044	Zscaler Frankfurt am Main	512
137.31.22.0/23	AS62044	Zscaler Zurich	512
137.31.12.0/23	AS62044	Zscaler Paris	512
137.31.34.0/23	AS62044	Zscaler Brussels	512
137.31.20.0/23	AS62044	Zscaler Zurich	512
137.31.43.0/24	AS62044	Zscaler Manchester	256
137.31.18.0/24	AS53813	Zscaler Mumbai	256
137.31.44.0/24	AS53813	Zscaler Singapore	256
137.31.36.0/24	AS62044	Zscaler London	256
137.31.16.0/24	AS62044	Zscaler Helsinki	256
137.31.37.0/24	AS62044	Zscaler Paris	256
137.31.15.0/24	AS22616	Zscaler Miami	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
66.77.8.8	AS209 CenturyLink Communications, LLC	`2.00ms` from Ashburn, US
59.98.219.248	AS9829 National Internet Backbone	`10.44ms` from Bengaluru, IN
178.242.40.184	AS16135 Turkcell A.S.	`15.28ms` from Bursa, TR
123.145.173.8	AS4837 CHINA UNICOM China169 Backbone	`2.02ms` from Chongqing, CN
68.32.26.88	AS7922 Comcast Cable Communications, LLC	`8.45ms` from Flint, US
88.240.198.248	AS9121 Turk Telekomunikasyon Anonim Sirketi	`7.58ms` from Izmir, TR
201.170.11.232	AS8151 UNINET	`3.92ms` from Los Angeles, US
176.96.12.40	AS48515 Praktika Ltd.	`5.68ms` from Moscow, RU
99.100.25.200	AS7018 AT&T Enterprises, LLC	`3.97ms` from San Jose, US
183.101.136.104	AS4766 Korea Telecom	`1.37ms` from Seoul, KR
36.133.150.120	AS9808 China Mobile Communications Group Co., Ltd.	`2.78ms` from Shenzhen, CN
116.198.239.216	AS137699 CHINATELECOM Jiangsu Suqian IDC network	`0.08ms` from Suqian, CN
210.60.222.232	AS1659 Taiwan Academic Network (TANet) Information Center	`3.83ms` from Taipei, TW
34.218.204.168	AS16509 Amazon.com, Inc.	`0.52ms` from Boardman, US
89.47.242.216	AS205275 ROMARG SRL	`2.53ms` from Bucharest, RO
177.211.231.120	AS9304 HGC Global Communications Limited	`0.90ms` from Hong Kong, HK
218.56.201.24	AS4837 CHINA UNICOM China169 Backbone	`2.61ms` from Jinan, CN
60.145.151.248	AS17676 SoftBank Corp.	`3.84ms` from Osaka, JP
90.78.13.8	AS3215 Orange S.A.	`8.89ms` from Paris, FR
68.104.188.24	AS22773 Cox Communications Inc.	`1.85ms` from Phoenix, US
54.211.221.248	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
73.202.193.136	AS7922 Comcast Cable Communications, LLC	`5.42ms` from San Jose, US
18.140.115.216	AS16509 Amazon.com, Inc.	`0.32ms` from Singapore, SG
99.217.73.200	AS812 Rogers Communications Canada Inc.	`4.04ms` from Toronto, CA
46.10.106.152	AS8866 Vivacom Bulgaria EAD	`0.94ms` from Varna, BG

Traceroute

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

traceroute -a -n -q1 -f5 -m8 137.31.17.181

traceroute to 137.31.17.181 (137.31.17.181): 8 hops max, 52 byte packets

5 [AS9318] 211.176.57.117 3.047 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On April 13th 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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