121.186.0.0/16

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Summary

IP address summary information
ASNs	1
Countries	1
BGP Prefixes	2
Routers	72
Pingable IPs	41,582

South Korea
100.00%


121.186.0.0/24	South Korea100.00%	1	1	0
121.186.1.0/24	South Korea100.00%	1	1	0
121.186.2.0/24	South Korea100.00%	1	1	0
121.186.3.0/24	South Korea100.00%	1	1	0
121.186.4.0/24	South Korea100.00%	1	1	2
121.186.5.0/24	South Korea100.00%	1	1	0
121.186.6.0/24	South Korea100.00%	1	1	0
121.186.7.0/24	South Korea100.00%	1	1	0
121.186.8.0/24	South Korea100.00%	1	1	0
121.186.9.0/24	South Korea100.00%	1	1	1

Sub-ranges

Important routers in 121.186.0.0/16


121.186.120.254	Seoul, South Korea	AS4766Korea Telecom
121.186.130.170	Seoul, South Korea	AS4766Korea Telecom
121.186.249.190	Seoul, South Korea	AS4766Korea Telecom
121.186.130.26	Seoul, South Korea	AS4766Korea Telecom
121.186.249.6	Seoul, South Korea	AS4766Korea Telecom
121.186.249.18	Seoul, South Korea	AS4766Korea Telecom
121.186.169.181	Jeonju, South Korea	AS4766Korea Telecom
121.186.23.55	Seoul, South Korea	AS4766Korea Telecom
121.186.23.57	Seoul, South Korea	AS4766Korea Telecom
121.186.23.58	Seoul, South Korea	AS4766Korea Telecom

Important routers in 121.186.0.0/16

Pingable IPs

41,582 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.


121.186.84.38	AS4766Korea Telecom	6.14ms from Seoul, KR
121.186.12.254	AS4766Korea Telecom	4.45ms from Seoul, KR
121.186.7.143	AS4766Korea Telecom	4.31ms from Seoul, KR
121.186.91.22	AS4766Korea Telecom	4.45ms from Seoul, KR
121.186.73.254	AS4766Korea Telecom	4.76ms from Seoul, KR
121.186.19.112	AS4766Korea Telecom	4.40ms from Seoul, KR
121.186.82.94	AS4766Korea Telecom	5.21ms from Seoul, KR
121.186.15.42	AS4766Korea Telecom	4.62ms from Seoul, KR
121.186.27.43	AS4766Korea Telecom	4.25ms from Seoul, KR
121.186.74.254	AS4766Korea Telecom	4.36ms from Seoul, KR

Other Pingable IPs

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


34.212.54.48	AS16509Amazon.com, Inc.	0.57ms from Boardman, US
41.35.247.0	AS8452TE-AS	6.47ms from Cairo, EG
76.219.86.32	AS7018AT&T Enterprises, LLC	18.61ms from Chicago, US
73.91.165.64	AS7922Comcast Cable Communications, LLC	10.02ms from Dallas, US
103.184.121.0	AS149663PT Palemnet Multimedia Data Perkasa	0.36ms from Jakarta, ID
79.154.235.80	AS3352TELEFONICA DE ESPANA S.A.U.	9.65ms from Madrid, ES
37.122.79.240	AS28812PJSC Bashinformsvyaz	19.47ms from Moscow, RU
137.184.217.80	AS14061DigitalOcean, LLC	0.33ms from New York City, US
153.195.114.96	AS4713NTT DOCOMO BUSINESS,Inc.	7.31ms from Osaka, JP
40.87.205.96	AS8075Microsoft Corporation	0.23ms from Osaka, JP

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 121.186.46.206

traceroute to 121.186.46.206 (121.186.46.206): 64 hops max, 52 byte packets

4 [AS4766] 112.174.18.114 5.668 ms

5 [AS4766] 112.189.226.174 5.096 ms

6 [AS4766] 112.189.235.126 5.483 ms

7 [AS4766] 121.186.46.206 6.403 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On July 13, 2026

Traceroute

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121.186.0.0/16

Summary

Sub-ranges

Important routers in 121.186.0.0/16

Important routers in 121.186.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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Important routers in 121.186.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute

121.186.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 121.186.0.0/16

Important routers in 121.186.0.0/16

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 121.186.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute