123.221.0.0/16

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Summary

IP address summary information
ASNs	1
Countries	1
BGP Prefixes	1
Routers	0
Pingable IPs	2,304

Japan
100.00%


123.221.0.0/24	Japan100.00%	1	1
123.221.1.0/24	Japan100.00%	1	1
123.221.2.0/24	Japan100.00%	1	1
123.221.3.0/24	Japan100.00%	1	1
123.221.4.0/24	Japan100.00%	1	1
123.221.5.0/24	Japan100.00%	1	1
123.221.6.0/24	Japan100.00%	1	1
123.221.7.0/24	Japan100.00%	1	1
123.221.8.0/24	Japan100.00%	1	1
123.221.9.0/24	Japan100.00%	1	1

Sub-ranges

Pingable IPs

2,304 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.


123.221.101.172	AS4713NTT DOCOMO BUSINESS,Inc.	3.97ms from Osaka, JP
123.221.75.245	AS4713NTT DOCOMO BUSINESS,Inc.	6.75ms from Osaka, JP
123.221.44.23	AS4713NTT DOCOMO BUSINESS,Inc.	5.21ms from Osaka, JP
123.221.52.201	AS4713NTT DOCOMO BUSINESS,Inc.	3.89ms from Osaka, JP
123.221.62.53	AS4713NTT DOCOMO BUSINESS,Inc.	3.87ms from Osaka, JP
123.221.67.80	AS4713NTT DOCOMO BUSINESS,Inc.	6.30ms from Osaka, JP
123.221.71.108	AS4713NTT DOCOMO BUSINESS,Inc.	6.55ms from Osaka, JP
123.221.85.182	AS4713NTT DOCOMO BUSINESS,Inc.	6.83ms from Osaka, JP
123.221.61.119	AS4713NTT DOCOMO BUSINESS,Inc.	4.14ms from Osaka, JP
123.221.41.136	AS4713NTT DOCOMO BUSINESS,Inc.	5.04ms from Osaka, JP

Other Pingable IPs

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


162.233.8.112	AS7018AT&T Enterprises, LLC	1.71ms from Atlanta, US
86.35.221.128	AS9050Orange Romania S.A.	0.19ms from Bucharest, RO
18.117.52.128	AS16509Amazon.com, Inc.	0.19ms from Columbus, US
216.110.169.160	AS394838Pulse	2.61ms from Denver, US
8.130.170.112	AS37963Hangzhou Alibaba Advertising Co.,Ltd.	0.59ms from Jining, CN
176.37.63.64	AS39608Lanet Network Ltd	0.51ms from Kyiv, UA
189.225.201.160	AS8151Uninet S.A. de C.V.	6.29ms from Mexico City, MX
174.49.211.176	AS7922Comcast Cable Communications, LLC	13.62ms from Pittsburgh, US
14.47.116.128	AS4766Korea Telecom	1.54ms from Seoul, KR
36.134.36.224	AS9808China Mobile Communications Group Co., Ltd.	3.81ms from Shanghai, CN

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 123.221.250.187

traceroute to 123.221.250.187 (123.221.250.187): 64 hops max, 52 byte packets

4 [AS2497] 210.130.146.182 0.359 ms

5 [AS2497] 210.130.146.181 0.314 ms

6 [] 210.173.179.9 1.008 ms

7 [AS4713] 153.149.219.233 1.054 ms

8 [AS4713] 153.149.219.193 1.326 ms

9 [AS4713] 153.149.219.46 5.678 ms

10 [AS4713] 61.207.46.202 7.459 ms

11 [AS4713] 118.23.140.18 8.187 ms

12 [AS4713] 123.221.250.187 12.505 ms

Measurement taken from

IPinfo ProbeNet in Osaka, JP

On July 22, 2026

Traceroute

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123.221.0.0/16

Summary

Sub-ranges

Pingable IPs

Other Pingable IPs

Pingable IPs

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123.221.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

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

Pingable IPs

Other Pingable IPs

Traceroute