21.42.0.0/16

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Summary

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

United States
100.00%


21.42.0.0/24	United States100.00%	1	1
21.42.1.0/24	United States100.00%	1	1
21.42.2.0/24	United States100.00%	1	1
21.42.3.0/24	United States100.00%	1	1
21.42.4.0/24	United States100.00%	1	1
21.42.5.0/24	United States100.00%	1	1
21.42.6.0/24	United States100.00%	1	1
21.42.7.0/24	United States100.00%	1	1
21.42.8.0/24	United States100.00%	1	1
21.42.9.0/24	United States100.00%	1	1

Sub-ranges

Pingable IPs

Other Pingable IPs

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


97.208.127.112	AS6167Verizon Business	13.21ms from Chicago, US
79.238.220.112	AS3320Deutsche Telekom AG	7.82ms from Frankfurt am Main, DE
124.199.186.0	AS17864SK Broadband Co Ltd	0.95ms from Incheon, KR
2.112.154.176	AS3269Telecom Italia S.p.A.	3.45ms from Milan, IT
219.50.222.128	AS17676SoftBank Corp.	4.08ms from Osaka, JP
124.18.154.208	AS18126Chubu Telecommunications Company, Inc.	6.53ms from Osaka, JP
200.20.0.144	AS2715Fundação Carlos Chagas Filho de Amparo a Pesquisa	1.47ms from Rio de Janeiro, BR
221.205.17.96	AS4837CHINA UNICOM China169 Backbone	3.00ms from Taiyuan, CN
75.189.25.160	AS11426Charter Communications Inc	7.21ms from Charlotte, US
67.227.54.96	AS54103MOD Mission Critical, LLC	0.26ms from Chicago, US

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 -m9 21.42.0.242

traceroute to 21.42.0.242 (21.42.0.242): 9 hops max, 52 byte packets

1 [AS35100] 171.25.158.1 1.085 ms

2 [AS35100] 31.44.238.138 14.182 ms

3 [AS35100] 31.44.238.137 0.373 ms

4 [AS35706] 217.10.127.65 1.036 ms

5 [AS35706] 85.195.62.61 9.45 ms

6 [AS1299] 213.248.75.158 7.636 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Växjö, SE

On August 7, 2026

Traceroute

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21.42.0.0/16

Summary

Sub-ranges

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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21.42.0.0/16

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