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  1. All IP Ranges
  2. 121.0.0.0/8
  3. 121.128.0.0/16

121.128.0.0/16 IP Range

Summary

ASNs
4
Countries
1
BGP Prefixes6
Routers
61
Pingable IPs
26,916

Top Countries

Top BGP Prefixes

Top ASNs

  • AS4766 Korea Telecom
    98.05%
  • AS38122 Seoul Guarantee Insurance Company
    0.78%
  • AS9647 Seoul Metropolitan Government
    0.78%
  • AS152214 Korean Air Lines
    0.39%
121.128.0.0/24 South Korea 100%110
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Pingable IPs

26,916 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
121.128.3.247AS4766 Korea Telecom1.16ms from Seoul,  KR
121.128.8.253AS4766 Korea Telecom1.08ms from Seoul,  KR
121.128.9.203AS4766 Korea Telecom1.02ms from Seoul,  KR
121.128.2.29AS4766 Korea Telecom1.44ms from Seoul,  KR
121.128.6.190AS4766 Korea Telecom1.25ms from Seoul,  KR
121.128.5.230AS4766 Korea Telecom1.19ms from Seoul,  KR
121.128.10.254AS4766 Korea Telecom1.23ms from Seoul,  KR
121.128.1.126AS4766 Korea Telecom0.95ms from Seoul,  KR
121.128.7.39AS4766 Korea Telecom1.25ms from Seoul,  KR
121.128.4.230AS4766 Korea Telecom0.95ms 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.
170.223.41.16AS40831 Mass General Brigham Incorporated10.94ms from Ashburn,  US
79.130.7.224AS6799 Ote SA (Hellenic Telecommunications Organisation)11.35ms from Athens,  GR
43.209.17.96AS16509 Amazon.com, Inc.1.56ms from Bangkok,  TH
66.26.162.96AS11426 Charter Communications Inc5.37ms from Charlotte,  US
98.28.193.176AS10796 Charter Communications Inc7.99ms from Columbus,  US
40.115.103.112AS8075 Microsoft Corporation0.17ms from Dublin,  IE
92.116.178.144AS8881 1&1 Versatel GmbH4.88ms from Frankfurt am Main,  DE
165.138.145.32AS11686 Zayo Bandwidth9.04ms from Indianapolis,  US
190.171.94.0AS271279 RADIONET PROVEDOR DE TELECOMUNICACAO LTDA5.19ms from Joao Pessoa,  BR
75.233.197.240AS6167 Verizon Business14.07ms from Los Angeles,  US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 121.128.119.254
traceroute to 121.128.119.254 (121.128.119.254): 64 hops max, 52 byte packets
1 [AS31898] 140.91.214.3 0.11 ms
2 [AS4766] 218.145.32.254 0.595 ms
3 *
4 *
5 *
6 *
7 [AS4766] 121.128.119.254 4.028 ms
Measurement taken from  IPinfo ProbeNet in Seoul, KR
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