103.21.0.0/16

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Summary

IP address summary information
ASNs	75
Countries	19
BGP Prefixes	165
Routers	571
Pingable IPs	11,539

China
17.35%
Indonesia
13.24%
Australia
13.01%
Malaysia
10.27%
Other
46.12%


103.21.0.0/24	Australia100.00%	1	1	0
103.21.1.0/24	Australia100.00%	1	1	0
103.21.2.0/24	Australia100.00%	1	1	0
103.21.3.0/24	Australia100.00%	1	1	0
103.21.4.0/24	Australia100.00%	1	1	0
103.21.5.0/24	Australia100.00%	1	1	0
103.21.6.0/24	India100.00%	1	1	3
103.21.7.0/24	India100.00%	1	1	0
103.21.8.0/24	United States100.00%	1	1	0
103.21.9.0/24	United States100.00%	1	1	0

Sub-ranges

Important routers in 103.21.0.0/16


103.21.206.78	Jakarta, Indonesia	AS131746PT. Medianusa Permana
103.21.181.113	Kampung Baru Subang, Malaysia	AS45352IP ServerOne Solutions Sdn Bhd
103.21.43.10	Dhaka, Bangladesh	AS58715EARTH TELECOMMUNICATION (Pvt) LTD.
103.21.42.18	Dhaka, Bangladesh	AS58715EARTH TELECOMMUNICATION (Pvt) LTD.
103.21.152.2	Kuala Lumpur, Malaysia	AS24028REDtone
103.21.246.137	Seattle, United States	AS132892Cloudflare, Inc.
103.21.246.201	Seattle, United States	AS132892Cloudflare, Inc.
103.21.246.16	Seattle, United States	AS132892Cloudflare, Inc.
103.21.246.135	Seattle, United States	AS132892Cloudflare, Inc.
103.21.246.17	Seattle, United States	AS132892Cloudflare, Inc.

Important routers in 103.21.0.0/16

Pingable IPs

11,539 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.


103.21.43.243	AS58715EARTH TELECOMMUNICATION (Pvt) LTD.	0.17ms from Dhaka, BD
103.21.7.9	AS150069CLOUDNET INTERNET SERVICE PVT LTD	5.05ms from Chennai, IN
103.21.88.126	AS55720Gigabit Hosting Sdn Bhd	0.77ms from Hong Kong, HK
103.21.11.54	AS26658HT	0.27ms from Los Angeles, US
103.21.5.17	AS136000Lightning Broadband Pty Ltd	1.04ms from Melbourne, AU
103.21.2.1	AS38195Superloop	0.99ms from Melbourne, AU
103.21.4.18	AS136000Lightning Broadband Pty Ltd	1.28ms from Melbourne, AU
103.21.20.226	AS58713FIBERVISION NET	0.12ms from Melbourne, AU
103.21.58.230	AS394695PDR	1.48ms from Mumbai, IN
103.21.79.177	AS45536Readylink Internet Services Limited	9.69ms from Saint Thomas Mount, IN

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.


203.214.156.32	AS7545TPG Telecom Limited	10.39ms from Melbourne, AU
40.89.71.0	AS8075Microsoft Corporation	0.33ms from Boydton, US
1.29.45.240	AS4837CHINA UNICOM China169 Backbone	7.59ms from Changchun, CN
179.216.8.32	AS28573Claro NXT Telecomunicacoes Ltda	4.09ms from Curitiba, BR
213.216.26.80	AS20792VISTEC Internet Service GmbH	1.02ms from Frankfurt am Main, DE
13.42.246.224	AS16509Amazon.com, Inc.	0.22ms from London, GB
184.187.181.208	AS22773Cox Communications Inc.	9.46ms from Los Angeles, US
117.40.210.48	AS4134CHINANET BACKBONE	3.18ms from Nanchang, CN
126.31.190.48	AS17676SoftBank Corp.	3.87ms from Osaka, JP
90.91.63.176	AS3215Orange S.A.	2.29ms from Paris, FR

Pingable IPs

Traceroute

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

$ traceroute -a -n -q1 -f4 103.21.229.25

traceroute to 103.21.229.25 (103.21.229.25): 64 hops max, 52 byte packets

4 [AS10217] 119.11.187.25 52.671 ms

5 [AS7713] 36.95.252.77 86.185 ms

6 [AS147094] 103.215.176.27 54.916 ms

7 [AS131743] 103.227.141.253 53.166 ms

8 [AS131743] 103.21.229.25 63.451 ms

Measurement taken from

IPinfo ProbeNet in Bandung, ID

On August 7, 2026

Traceroute

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103.21.0.0/16

Summary

Sub-ranges

Important routers in 103.21.0.0/16

Important routers in 103.21.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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Summarize IPs

Important routers in 103.21.0.0/16

Pingable IPs

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Traceroute

103.21.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 103.21.0.0/16

Important routers in 103.21.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

An API built with users in mind: reliable, accurate, and easy-to-use

Our IP tools

What is my IP?

Map IPs

Summarize IPs

Statistics

Sub-ranges

Important routers in 103.21.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute