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
63
Pingable IPs
25,962

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

25,962 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
121.128.240.254AS4766 Korea Telecom0.98ms from Seoul,  KR
121.128.163.105AS4766 Korea Telecom1.43ms from Seoul,  KR
121.128.137.234AS4766 Korea Telecom1.44ms from Seoul,  KR
121.128.201.233AS4766 Korea Telecom1.34ms from Seoul,  KR
121.128.184.126AS4766 Korea Telecom1.17ms from Seoul,  KR
121.128.210.141AS4766 Korea Telecom1.31ms from Seoul,  KR
121.128.162.248AS4766 Korea Telecom1.45ms from Seoul,  KR
121.128.224.131AS38122 Seoul Guarantee Insurance Company23.74ms from Seoul,  KR
121.128.233.254AS4766 Korea Telecom1.27ms from Seoul,  KR
121.128.176.1AS4766 Korea Telecom1.09ms 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.
2.51.214.208AS5384 Emirates Internet2.73ms from Al Fujairah City,  AE
173.16.214.32AS30036 Mediacom Communications Corp7.41ms from Atlanta,  US
43.208.117.32AS16509 Amazon.com, Inc.1.58ms from Bangkok,  TH
71.235.111.48AS7922 Comcast Cable Communications, LLC10.32ms from Boston,  US
200.1.129.0AS271715 AGP TELECOM LTDA9.34ms from Fortaleza,  BR
134.76.172.48AS207592 Gesellschaft fuer wissenschaftliche Datenverarbeitung mbH, Goettingen4.56ms from Frankfurt am Main,  DE
115.206.162.32AS4134 CHINANET-BACKBONE5.28ms from Hangzhou,  CN
72.211.211.96AS22773 Cox Communications Inc.5.91ms from Los Angeles,  US
212.46.184.208AS44512 KONVERTO SPA5.08ms from Milan,  IT
151.56.86.112AS1267 WIND TRE S.P.A.10.10ms from Rome,  IT

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -m6 121.128.57.150
traceroute to 121.128.57.150 (121.128.57.150): 6 hops max, 52 byte packets
1 [AS15169] 74.125.37.114 205.446 ms
2 *
3 [AS4766] 112.174.84.158 228.1 ms
4 *
5 *
6 *
Measurement taken from  IPinfo ProbeNet in Santiago, CL
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