121.173.0.0/16

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Summary

IP address summary information
ASNs	1
Countries	1
BGP Prefixes	1
Routers	80
Pingable IPs	40,521

South Korea
100.00%


121.173.0.0/24	South Korea100.00%	1	1	3
121.173.1.0/24	South Korea100.00%	1	1	0
121.173.2.0/24	South Korea100.00%	1	1	1
121.173.3.0/24	South Korea100.00%	1	1	0
121.173.4.0/24	South Korea100.00%	1	1	1
121.173.5.0/24	South Korea100.00%	1	1	0
121.173.6.0/24	South Korea100.00%	1	1	0
121.173.7.0/24	South Korea100.00%	1	1	0
121.173.8.0/24	South Korea100.00%	1	1	0
121.173.9.0/24	South Korea100.00%	1	1	0

Sub-ranges

Important routers in 121.173.0.0/16


121.173.151.186	Incheon, South Korea	AS4766Korea Telecom
121.173.151.250	Incheon, South Korea	AS4766Korea Telecom
121.173.186.106	Incheon, South Korea	AS4766Korea Telecom
121.173.167.42	Incheon, South Korea	AS4766Korea Telecom
121.173.151.230	Seoul, South Korea	AS4766Korea Telecom
121.173.186.118	Incheon, South Korea	AS4766Korea Telecom
121.173.151.190	Seoul, South Korea	AS4766Korea Telecom
121.173.147.174	Incheon, South Korea	AS4766Korea Telecom
121.173.147.202	Incheon, South Korea	AS4766Korea Telecom
121.173.147.6	Incheon, South Korea	AS4766Korea Telecom

Important routers in 121.173.0.0/16

Pingable IPs

40,521 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.


121.173.25.67	AS4766Korea Telecom	0.78ms from Incheon, KR
121.173.7.235	AS4766Korea Telecom	0.69ms from Incheon, KR
121.173.40.200	AS4766Korea Telecom	1.17ms from Incheon, KR
121.173.33.193	AS4766Korea Telecom	0.81ms from Incheon, KR
121.173.24.225	AS4766Korea Telecom	0.63ms from Incheon, KR
121.173.18.26	AS4766Korea Telecom	1.05ms from Incheon, KR
121.173.36.33	AS4766Korea Telecom	0.84ms from Incheon, KR
121.173.30.191	AS4766Korea Telecom	0.68ms from Incheon, KR
121.173.45.60	AS4766Korea Telecom	0.63ms from Incheon, KR
121.173.28.30	AS4766Korea Telecom	0.38ms from Incheon, KR

Other Pingable IPs

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


206.81.23.80	AS14061DigitalOcean, LLC	0.29ms from Frankfurt am Main, DE
45.82.243.0	AS135391AOFEI DATA INTERNATIONAL COMPANY LIMITED	1.19ms from Hong Kong, HK
92.162.39.192	AS3215Orange S.A.	5.32ms from Paris, FR
34.40.172.64	AS396982Google LLC	0.10ms from Sydney, AU
219.163.188.80	AS4713NTT DOCOMO BUSINESS,Inc.	3.46ms from Tokyo, JP
128.77.3.192	AS394089Google LLC	1.05ms from Frankfurt am Main, DE
85.93.10.112	AS214639TAKEHOST OU	0.08ms from Kerkrade, NL
60.122.48.240	AS17676SoftBank Corp.	4.07ms from Osaka, JP
109.117.221.48	AS30722Fastweb SpA	7.97ms from Rome, IT
220.143.84.208	AS3462Data Communication Business Group	7.07ms from Taichung, TW

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 -f7 121.173.33.125

traceroute to 121.173.33.125 (121.173.33.125): 64 hops max, 52 byte packets

7 [AS4766] 112.174.56.218 2.489 ms

8 *

9 [AS4766] 112.190.107.98 2.753 ms

10 [AS4766] 121.173.33.125 3.189 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On July 12, 2026

Traceroute

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121.173.0.0/16

Summary

Sub-ranges

Important routers in 121.173.0.0/16

Important routers in 121.173.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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Important routers in 121.173.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute

121.173.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 121.173.0.0/16

Important routers in 121.173.0.0/16

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 121.173.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute