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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
68
Pingable IPs
27,032

Top Countries

Top BGP Prefixes

Top ASNs

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

27,032 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
121.128.2.160AS4766 Korea Telecom1.27ms from Seoul,  KR
121.128.27.5AS4766 Korea Telecom1.44ms from Seoul,  KR
121.128.5.38AS4766 Korea Telecom1.11ms from Seoul,  KR
121.128.26.71AS4766 Korea Telecom1.31ms from Seoul,  KR
121.128.3.11AS4766 Korea Telecom1.25ms from Seoul,  KR
121.128.7.254AS4766 Korea Telecom1.24ms from Seoul,  KR
121.128.6.254AS4766 Korea Telecom1.25ms from Seoul,  KR
121.128.0.131AS4766 Korea Telecom1.05ms from Seoul,  KR
121.128.17.177AS4766 Korea Telecom1.05ms from Seoul,  KR
121.128.9.204AS4766 Korea Telecom0.94ms 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.
3.220.86.176AS14618 Amazon.com, Inc.0.61ms from Ashburn,  US
100.4.109.112AS701 Verizon Business9.26ms from Ashburn,  US
1.91.81.32AS17429 BEIJING GEHUA CATV NETWORK CO.LTD9.58ms from Beijing,  CN
144.139.12.80AS1221 Telstra Limited2.78ms from Brisbane,  AU
120.154.130.16AS1221 Telstra Limited1.99ms from Brisbane,  AU
81.165.210.64AS6848 Telenet BV8.43ms from Brussels,  BE
91.13.246.160AS3320 Deutsche Telekom AG5.83ms from Frankfurt am Main,  DE
167.182.74.192AS54053 Realogy Group LLC0.75ms from Greenwood Village,  US
144.24.194.128AS31898 Oracle Corporation0.12ms from Marseille,  FR
93.189.251.112AS13016 Teleline Ltd.4.01ms from Moscow,  RU

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 121.128.195.58
traceroute to 121.128.195.58 (121.128.195.58): 64 hops max, 52 byte packets
1 [AS15169] 74.125.37.114 222.314 ms
2 *
3 [AS4766] 112.174.84.174 257.825 ms
4 *
5 *
6 *
7 [AS4766] 121.128.195.58 270.975 ms
Measurement taken from  IPinfo ProbeNet in Brussels, BE
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