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  1. All IP Ranges
  2. 1.0.0.0/8
  3. 1.21.0.0/16

1.21.0.0/16 IP Range

Summary

ASNs
2
Countries
2
BGP Prefixes8
Routers
81
Pingable IPs
7,016

Top Countries

Top BGP Prefixes

Top ASNs

  • AS2519 ARTERIA Networks Corporation
    75%
  • 12.5%
  • AS59125 FAMILY NET JAPAN INCORPORATED
    12.5%
1.21.0.0/24 Japan 100%110
1.21.1.0/24 Japan 100%110
1.21.2.0/24 Japan 100%110
1.21.3.0/24 Japan 100%110
1.21.4.0/24 Japan 100%110
1.21.5.0/24 Japan 100%110
1.21.6.0/24 Japan 100%110
1.21.7.0/24 Japan 100%110
1.21.8.0/24 Japan 100%110
1.21.9.0/24 Japan 100%110
1.21.10.0/24 Japan 100%112
1.21.11.0/24 Japan 100%110
1.21.12.0/24 Japan 100%110
1.21.13.0/24 Japan 100%110
1.21.14.0/24 Japan 100%110
1.21.15.0/24 Japan 100%111
1.21.16.0/24 Japan 100%110
1.21.17.0/24 Japan 100%110
1.21.18.0/24 Japan 100%110
1.21.19.0/24 Japan 100%110
1.21.20.0/24 Japan 100%110
1.21.21.0/24 Japan 100%110
1.21.22.0/24 Japan 100%110
1.21.23.0/24 Japan 100%110
1.21.24.0/24 Japan 100%110
1.21.25.0/24 Japan 100%110
1.21.26.0/24 Japan 100%110
1.21.27.0/24 Japan 100%110
1.21.28.0/24 Japan 100%110
1.21.29.0/24 Japan 100%110
1.21.30.0/24 Japan 100%110
1.21.31.0/24 Japan 100%110
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1.21.33.0/24 Japan 100%110
1.21.34.0/24 Japan 100%110
1.21.35.0/24 Japan 100%110
1.21.36.0/24 Japan 100%110
1.21.37.0/24 Japan 100%110
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1.21.43.0/24 Japan 100%110
1.21.44.0/24 Japan 100%1138
1.21.45.0/24 Japan 100%1113
1.21.46.0/24 Japan 100%1123
1.21.47.0/24 Japan 100%114
1.21.48.0/24 Japan 100%110
1.21.49.0/24 Japan 100%110
1.21.50.0/24 Japan 100%110
1.21.51.0/24 Japan 100%110
1.21.52.0/24 Japan 100%110
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1.21.55.0/24 Japan 100%110
1.21.56.0/24 Japan 100%110
1.21.57.0/24 Japan 100%110
1.21.58.0/24 Japan 100%110
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1.21.60.0/24 Japan 100%110
1.21.61.0/24 Japan 100%110
1.21.62.0/24 Japan 100%110
1.21.63.0/24 Japan 100%110
1.21.64.0/24 Japan 100%110
1.21.65.0/24 Japan 100%110
1.21.66.0/24 Japan 100%110
1.21.67.0/24 Japan 100%110
1.21.68.0/24 Japan 100%110
1.21.69.0/24 Japan 100%110
1.21.70.0/24 Japan 100%110
1.21.71.0/24 Japan 100%110
1.21.72.0/24 Japan 100%110
1.21.73.0/24 Japan 100%110
1.21.74.0/24 Japan 100%110
1.21.75.0/24 Japan 100%110
1.21.76.0/24 Japan 100%110
1.21.77.0/24 Japan 100%110
1.21.78.0/24 Japan 100%110
1.21.79.0/24 Japan 100%110
1.21.80.0/24 Japan 100%110
1.21.81.0/24 Japan 100%110
1.21.82.0/24 Japan 100%110
1.21.83.0/24 Japan 100%110
1.21.84.0/24 Japan 100%110
1.21.85.0/24 Japan 100%110
1.21.86.0/24 Japan 100%110
1.21.87.0/24 Japan 100%110
1.21.88.0/24 Japan 100%110
1.21.89.0/24 Japan 100%110
1.21.90.0/24 Japan 100%110
1.21.91.0/24 Japan 100%110
1.21.92.0/24 Japan 100%110
1.21.93.0/24 Japan 100%110
1.21.94.0/24 Japan 100%110
1.21.95.0/24 Japan 100%110
1.21.96.0/24 Japan 100%110
1.21.97.0/24 Japan 100%110
1.21.98.0/24 Japan 100%110
1.21.99.0/24 Japan 100%110
1.21.100.0/24 Japan 100%110
1.21.101.0/24 Japan 100%110
1.21.102.0/24 Japan 100%110
1.21.103.0/24 Japan 100%110
1.21.104.0/24 Japan 100%110
1.21.105.0/24 Japan 100%110
1.21.106.0/24 Japan 100%110
1.21.107.0/24 Japan 100%110
1.21.108.0/24 Japan 100%110
1.21.109.0/24 Japan 100%110
1.21.110.0/24 Japan 100%110
1.21.111.0/24 Japan 100%110
1.21.112.0/24 Japan 100%110
1.21.113.0/24 Japan 100%110
1.21.114.0/24 Japan 100%110
1.21.115.0/24 Japan 100%110
1.21.116.0/24 Japan 100%110
1.21.117.0/24 Japan 100%110
1.21.118.0/24 Japan 100%110
1.21.119.0/24 Japan 100%110
1.21.120.0/24 Japan 100%110
1.21.121.0/24 Japan 100%110
1.21.122.0/24 Japan 100%110
1.21.123.0/24 Japan 100%110
1.21.124.0/24 Japan 100%110
1.21.125.0/24 Japan 100%110
1.21.126.0/24 Japan 100%110
1.21.127.0/24 Japan 100%110
1.21.128.0/24 Japan 100%110
1.21.129.0/24 Japan 100%110
1.21.130.0/24 Japan 100%110
1.21.131.0/24 Japan 100%110
1.21.132.0/24 Japan 100%110
1.21.133.0/24 Japan 100%110
1.21.134.0/24 Japan 100%110
1.21.135.0/24 Japan 100%110
1.21.136.0/24 Japan 100%110
1.21.137.0/24 Japan 100%110
1.21.138.0/24 Japan 100%110
1.21.139.0/24 Japan 100%110
1.21.140.0/24 Japan 100%110
1.21.141.0/24 Japan 100%110
1.21.142.0/24 Japan 100%110
1.21.143.0/24 Japan 100%110
1.21.144.0/24 Japan 100%110
1.21.145.0/24 Japan 100%110
1.21.146.0/24 Japan 100%110
1.21.147.0/24 Japan 100%110
1.21.148.0/24 Japan 100%110
1.21.149.0/24 Japan 100%110
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1.21.151.0/24 Japan 100%110
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1.21.153.0/24 Japan 100%110
1.21.154.0/24 Japan 100%110
1.21.155.0/24 Japan 100%110
1.21.156.0/24 Japan 100%110
1.21.157.0/24 Japan 100%110
1.21.158.0/24 Japan 100%110
1.21.159.0/24 Japan 100%110
1.21.160.0/24 Japan 100%110
1.21.161.0/24 Japan 100%110
1.21.162.0/24 Japan 100%110
1.21.163.0/24 Japan 100%110
1.21.164.0/24 Japan 100%110
1.21.165.0/24 Japan 100%110
1.21.166.0/24 Japan 100%110
1.21.167.0/24 Japan 100%110
1.21.168.0/24 Japan 100%110
1.21.169.0/24 Japan 100%110
1.21.170.0/24 Japan 100%110
1.21.171.0/24 Japan 100%110
1.21.172.0/24 Japan 100%110
1.21.173.0/24 Japan 100%110
1.21.174.0/24 Japan 100%110
1.21.175.0/24 Japan 100%110
1.21.176.0/24 Japan 100%110
1.21.177.0/24 Japan 100%110
1.21.178.0/24 Japan 100%110
1.21.179.0/24 Japan 100%110
1.21.180.0/24 Japan 100%110
1.21.181.0/24 Japan 100%110
1.21.182.0/24 Japan 100%110
1.21.183.0/24 Japan 100%110
1.21.184.0/24 Japan 100%110
1.21.185.0/24 Japan 100%110
1.21.186.0/24 Japan 100%110
1.21.187.0/24 Japan 100%110
1.21.188.0/24 Japan 100%110
1.21.189.0/24 Japan 100%110
1.21.190.0/24 Japan 100%110
1.21.191.0/24 Japan 100%110
1.21.192.0/24 Japan 100%110
1.21.193.0/24 Japan 100%110
1.21.194.0/24 Japan 100%110
1.21.195.0/24 Japan 100%110
1.21.196.0/24 Japan 100%110
1.21.197.0/24 Japan 100%110
1.21.198.0/24 Japan 100%110
1.21.199.0/24 Japan 100%110
1.21.200.0/24 Japan 100%110
1.21.201.0/24 Japan 100%110
1.21.202.0/24 Japan 100%110
1.21.203.0/24 Japan 100%110
1.21.204.0/24 Japan 100%110
1.21.205.0/24 Japan 100%110
1.21.206.0/24 Japan 100%110
1.21.207.0/24 Japan 100%110
1.21.208.0/24 Japan 100%110
1.21.209.0/24 Japan 100%110
1.21.210.0/24 Japan 100%110
1.21.211.0/24 Japan 100%110
1.21.212.0/24 Japan 100%110
1.21.213.0/24 Japan 100%110
1.21.214.0/24 Japan 100%110
1.21.215.0/24 Japan 100%110
1.21.216.0/24 Japan 100%110
1.21.217.0/24 Japan 100%110
1.21.218.0/24 Japan 100%110
1.21.219.0/24 Japan 100%110
1.21.220.0/24 Japan 100%110
1.21.221.0/24 Japan 100%110
1.21.222.0/24 Japan 100%110
1.21.223.0/24 Japan 100%110
1.21.224.0/24 Singapore 100%100
1.21.225.0/24 Singapore 100%100
1.21.226.0/24 Singapore 100%100
1.21.227.0/24 Singapore 100%100
1.21.228.0/24 Singapore 100%100
1.21.229.0/24 Singapore 100%100
1.21.230.0/24 Singapore 100%100
1.21.231.0/24 Singapore 100%100
1.21.232.0/24 Singapore 100%100
1.21.233.0/24 Singapore 100%100
1.21.234.0/24 Singapore 100%100
1.21.235.0/24 Singapore 100%100
1.21.236.0/24 Singapore 100%100
1.21.237.0/24 Singapore 100%100
1.21.238.0/24 Singapore 100%100
1.21.239.0/24 Singapore 100%100
1.21.240.0/24 Singapore 100%100
1.21.241.0/24 Singapore 100%100
1.21.242.0/24 Singapore 100%100
1.21.243.0/24 Singapore 100%100
1.21.244.0/24 Singapore 100%100
1.21.245.0/24 Singapore 100%100
1.21.246.0/24 Singapore 100%100
1.21.247.0/24 Singapore 100%100
1.21.248.0/24 Singapore 100%100
1.21.249.0/24 Singapore 100%100
1.21.250.0/24 Singapore 100%100
1.21.251.0/24 Singapore 100%100
1.21.252.0/24 Singapore 100%100
1.21.253.0/24 Singapore 100%100
1.21.254.0/24 Singapore 100%100
1.21.255.0/24 Singapore 100%100

Pingable IPs

7,016 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
1.21.33.119AS2519 ARTERIA Networks Corporation3.30ms from Osaka,  JP
1.21.203.191AS2519 ARTERIA Networks Corporation4.47ms from Osaka,  JP
1.21.122.230AS2519 ARTERIA Networks Corporation2.86ms from Tokyo,  JP
1.21.156.83AS2519 ARTERIA Networks Corporation21.11ms from Tokyo,  JP
1.21.175.144AS2519 ARTERIA Networks Corporation3.11ms from Tokyo,  JP
1.21.108.234AS59125 FAMILY NET JAPAN INCORPORATED1.73ms from Tokyo,  JP
1.21.47.30AS2519 ARTERIA Networks Corporation0.92ms from Osaka,  JP
1.21.58.57AS2519 ARTERIA Networks Corporation0.43ms from Tokyo,  JP
1.21.46.157AS2519 ARTERIA Networks Corporation0.61ms from Tokyo,  JP
1.21.197.65AS2519 ARTERIA Networks Corporation0.44ms from Tokyo,  JP

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.
45.154.24.80AS56309 Siamdata Communication Co.,Ltd.0.53ms from Bangkok,  TH
8.131.80.64AS37963 Hangzhou Alibaba Advertising Co.,Ltd.2.14ms from Beijing,  CN
105.72.223.128AS36884 Wana Corporate9.28ms from Casablanca,  MA
172.84.106.176AS19740 Sudjam, LLC0.18ms from Dallas,  US
175.148.161.144AS4837 CHINA UNICOM China169 Backbone6.66ms from Liaoyang,  CN
138.4.216.240AS766 RedIRIS Autonomous System0.69ms from Madrid,  ES
62.110.106.0AS3269 Telecom Italia S.p.A.7.42ms from Milan,  IT
213.32.153.160AS200484 Sendinblue SAS4.99ms from Paris,  FR
185.234.51.48AS57752 VOIP Telecom SAS0.61ms from Paris,  FR
190.163.156.144AS22047 VTR BANDA ANCHA S.A.6.13ms from Santiago,  CL

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f5 -m12 1.21.69.140
traceroute to 1.21.69.140 (1.21.69.140): 12 hops max, 52 byte packets
5 [AS215859] 5.223.0.77 0.99 ms
6 [AS18106] 103.60.60.117 1.311 ms
7 [AS18106] 132.147.112.109 1.357 ms
8 *
9 [AS2519] 163.139.136.26 74.855 ms
10 *
11 *
12 *
Measurement taken from  IPinfo ProbeNet in Singapore, SG
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