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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
62
Pingable IPs
26,491

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

26,491 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
121.128.105.71AS4766 Korea Telecom1.30ms from Seoul,  KR
121.128.65.254AS4766 Korea Telecom1.33ms from Seoul,  KR
121.128.110.198AS4766 Korea Telecom0.98ms from Seoul,  KR
121.128.33.197AS4766 Korea Telecom1.20ms from Seoul,  KR
121.128.77.254AS4766 Korea Telecom1.44ms from Seoul,  KR
121.128.6.97AS4766 Korea Telecom1.17ms from Seoul,  KR
121.128.46.42AS4766 Korea Telecom1.10ms from Seoul,  KR
121.128.27.119AS4766 Korea Telecom1.22ms from Seoul,  KR
121.128.69.125AS4766 Korea Telecom1.24ms from Seoul,  KR
121.128.48.254AS4766 Korea Telecom1.37ms 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.
81.205.243.176AS1136 KPN B.V.2.76ms from Amsterdam,  NL
125.238.125.192AS4771 Spark New Zealand Trading Ltd.5.70ms from Auckland,  NZ
203.160.4.128AS45229 United Nation - Property Management Sub-unit, Thailand3.38ms from Bangkok,  TH
181.225.78.96AS27951 Media Commerce Partners S.A7.62ms from Bogota,  CO
86.162.134.48AS2856 British Telecommunications PLC6.38ms from Erith,  GB
170.130.20.240AS214025 Synergy Dynamics Ltd0.54ms from Frankfurt am Main,  DE
24.224.189.128AS11260 EastLink15.42ms from Fredericton,  CA
185.144.37.144AS559 SWITCH1.14ms from Geneve,  CH
72.146.93.144AS8075 Microsoft Corporation0.15ms from Milan,  IT
92.126.196.176AS12389 PJSC Rostelecom8.45ms from Novosibirsk,  RU

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$ traceroute -a -n -q1 -f4 121.128.213.103
traceroute to 121.128.213.103 (121.128.213.103): 64 hops max, 52 byte packets
4 [AS3356] 4.68.37.206 165.186 ms
5 [AS4766] 112.174.87.241 757.49 ms
6 *
7 *
8 *
9 *
10 [AS4766] 121.128.213.103 292.551 ms
Measurement taken from  IPinfo ProbeNet in Budapest, HU
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