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
83
Pingable IPs
6,855

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
1.21.32.0/24 Japan 100%110
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
1.21.38.0/24 Japan 100%110
1.21.39.0/24 Japan 100%110
1.21.40.0/24 Japan 100%110
1.21.41.0/24 Japan 100%110
1.21.42.0/24 Japan 100%110
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%1122
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
1.21.53.0/24 Japan 100%110
1.21.54.0/24 Japan 100%110
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
1.21.59.0/24 Japan 100%111
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
1.21.150.0/24 Japan 100%110
1.21.151.0/24 Japan 100%110
1.21.152.0/24 Japan 100%110
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%112
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

6,855 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
1.21.16.24AS2519 ARTERIA Networks Corporation6.88ms from Osaka,  JP
1.21.86.129AS2519 ARTERIA Networks Corporation29.29ms from Tokyo,  JP
1.21.126.101AS2519 ARTERIA Networks Corporation2.89ms from Tokyo,  JP
1.21.103.120AS59125 FAMILY NET JAPAN INCORPORATED1.75ms from Tokyo,  JP
1.21.97.131AS59125 FAMILY NET JAPAN INCORPORATED2.23ms from Tokyo,  JP
1.21.204.102AS2519 ARTERIA Networks Corporation10.34ms from Osaka,  JP
1.21.182.72AS2519 ARTERIA Networks Corporation3.41ms from Tokyo,  JP
1.21.9.55AS2519 ARTERIA Networks Corporation2.20ms from Osaka,  JP
1.21.2.114AS2519 ARTERIA Networks Corporation24.68ms from Tokyo,  JP
1.21.78.27AS2519 ARTERIA Networks Corporation25.96ms 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.
52.219.179.48AS16509 Amazon.com, Inc.0.91ms from Columbus,  US
97.139.250.32AS6167 Verizon Business9.70ms from Denver,  US
52.51.62.48AS16509 Amazon.com, Inc.0.29ms from Dublin,  IE
76.175.141.176AS20001 Charter Communications Inc3.90ms from Los Angeles,  US
140.16.57.80AS5852 United States Department of Defense (DoD)5.81ms from Los Angeles,  US
2.155.160.16AS12430 VODAFONE ESPANA S.A.U.9.26ms from Madrid,  ES
174.142.46.16AS32613 Leaseweb Canada Inc.1.08ms from Montreal,  CA
5.3.237.128AS57378 JSC ER-Telecom Holding17.07ms from Samara,  RU
219.90.175.144AS4739 Internode Pty Ltd5.52ms from Sydney,  AU
114.159.158.192AS4713 NTT DOCOMO BUSINESS,Inc.16.32ms from Tokyo,  JP

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f5 1.21.5.195
traceroute to 1.21.5.195 (1.21.5.195): 64 hops max, 52 byte packets
5 [AS3356] 4.69.227.2 352.599 ms
6 [AS3356] 8.244.151.174 349.268 ms
7 [AS2519] 163.139.37.249 347.473 ms
8 [AS2519] 163.139.129.166 299.449 ms
9 *
10 [AS2519] 163.139.96.199 395.426 ms
11 *
12 *
13 [AS2519] 163.139.99.227 294.118 ms
14 [AS2519] 163.139.99.224 294.028 ms
15 *
16 *
17 [AS2519] 1.21.5.195 353.78 ms
Measurement taken from  IPinfo ProbeNet in Abidjan, CI
On