IPinfo - Comprehensive IP address data, IP geolocation API and database
  1. All IP Ranges
  2. 21.0.0.0/8
  3. 21.128.0.0/16

21.128.0.0/16 IP Range

Summary

ASNs
1
Countries
1
BGP Prefixes1
Routers
0
Pingable IPs
0

Top Countries

Top BGP Prefixes

Top ASNs

  • AS749 United States Department of Defense (DoD)
    100%
21.128.0.0/24 United States 100%110
21.128.1.0/24 United States 100%110
21.128.2.0/24 United States 100%110
21.128.3.0/24 United States 100%110
21.128.4.0/24 United States 100%110
21.128.5.0/24 United States 100%110
21.128.6.0/24 United States 100%110
21.128.7.0/24 United States 100%110
21.128.8.0/24 United States 100%110
21.128.9.0/24 United States 100%110
21.128.10.0/24 United States 100%110
21.128.11.0/24 United States 100%110
21.128.12.0/24 United States 100%110
21.128.13.0/24 United States 100%110
21.128.14.0/24 United States 100%110
21.128.15.0/24 United States 100%110
21.128.16.0/24 United States 100%110
21.128.17.0/24 United States 100%110
21.128.18.0/24 United States 100%110
21.128.19.0/24 United States 100%110
21.128.20.0/24 United States 100%110
21.128.21.0/24 United States 100%110
21.128.22.0/24 United States 100%110
21.128.23.0/24 United States 100%110
21.128.24.0/24 United States 100%110
21.128.25.0/24 United States 100%110
21.128.26.0/24 United States 100%110
21.128.27.0/24 United States 100%110
21.128.28.0/24 United States 100%110
21.128.29.0/24 United States 100%110
21.128.30.0/24 United States 100%110
21.128.31.0/24 United States 100%110
21.128.32.0/24 United States 100%110
21.128.33.0/24 United States 100%110
21.128.34.0/24 United States 100%110
21.128.35.0/24 United States 100%110
21.128.36.0/24 United States 100%110
21.128.37.0/24 United States 100%110
21.128.38.0/24 United States 100%110
21.128.39.0/24 United States 100%110
21.128.40.0/24 United States 100%110
21.128.41.0/24 United States 100%110
21.128.42.0/24 United States 100%110
21.128.43.0/24 United States 100%110
21.128.44.0/24 United States 100%110
21.128.45.0/24 United States 100%110
21.128.46.0/24 United States 100%110
21.128.47.0/24 United States 100%110
21.128.48.0/24 United States 100%110
21.128.49.0/24 United States 100%110
21.128.50.0/24 United States 100%110
21.128.51.0/24 United States 100%110
21.128.52.0/24 United States 100%110
21.128.53.0/24 United States 100%110
21.128.54.0/24 United States 100%110
21.128.55.0/24 United States 100%110
21.128.56.0/24 United States 100%110
21.128.57.0/24 United States 100%110
21.128.58.0/24 United States 100%110
21.128.59.0/24 United States 100%110
21.128.60.0/24 United States 100%110
21.128.61.0/24 United States 100%110
21.128.62.0/24 United States 100%110
21.128.63.0/24 United States 100%110
21.128.64.0/24 United States 100%110
21.128.65.0/24 United States 100%110
21.128.66.0/24 United States 100%110
21.128.67.0/24 United States 100%110
21.128.68.0/24 United States 100%110
21.128.69.0/24 United States 100%110
21.128.70.0/24 United States 100%110
21.128.71.0/24 United States 100%110
21.128.72.0/24 United States 100%110
21.128.73.0/24 United States 100%110
21.128.74.0/24 United States 100%110
21.128.75.0/24 United States 100%110
21.128.76.0/24 United States 100%110
21.128.77.0/24 United States 100%110
21.128.78.0/24 United States 100%110
21.128.79.0/24 United States 100%110
21.128.80.0/24 United States 100%110
21.128.81.0/24 United States 100%110
21.128.82.0/24 United States 100%110
21.128.83.0/24 United States 100%110
21.128.84.0/24 United States 100%110
21.128.85.0/24 United States 100%110
21.128.86.0/24 United States 100%110
21.128.87.0/24 United States 100%110
21.128.88.0/24 United States 100%110
21.128.89.0/24 United States 100%110
21.128.90.0/24 United States 100%110
21.128.91.0/24 United States 100%110
21.128.92.0/24 United States 100%110
21.128.93.0/24 United States 100%110
21.128.94.0/24 United States 100%110
21.128.95.0/24 United States 100%110
21.128.96.0/24 United States 100%110
21.128.97.0/24 United States 100%110
21.128.98.0/24 United States 100%110
21.128.99.0/24 United States 100%110
21.128.100.0/24 United States 100%110
21.128.101.0/24 United States 100%110
21.128.102.0/24 United States 100%110
21.128.103.0/24 United States 100%110
21.128.104.0/24 United States 100%110
21.128.105.0/24 United States 100%110
21.128.106.0/24 United States 100%110
21.128.107.0/24 United States 100%110
21.128.108.0/24 United States 100%110
21.128.109.0/24 United States 100%110
21.128.110.0/24 United States 100%110
21.128.111.0/24 United States 100%110
21.128.112.0/24 United States 100%110
21.128.113.0/24 United States 100%110
21.128.114.0/24 United States 100%110
21.128.115.0/24 United States 100%110
21.128.116.0/24 United States 100%110
21.128.117.0/24 United States 100%110
21.128.118.0/24 United States 100%110
21.128.119.0/24 United States 100%110
21.128.120.0/24 United States 100%110
21.128.121.0/24 United States 100%110
21.128.122.0/24 United States 100%110
21.128.123.0/24 United States 100%110
21.128.124.0/24 United States 100%110
21.128.125.0/24 United States 100%110
21.128.126.0/24 United States 100%110
21.128.127.0/24 United States 100%110
21.128.128.0/24 United States 100%110
21.128.129.0/24 United States 100%110
21.128.130.0/24 United States 100%110
21.128.131.0/24 United States 100%110
21.128.132.0/24 United States 100%110
21.128.133.0/24 United States 100%110
21.128.134.0/24 United States 100%110
21.128.135.0/24 United States 100%110
21.128.136.0/24 United States 100%110
21.128.137.0/24 United States 100%110
21.128.138.0/24 United States 100%110
21.128.139.0/24 United States 100%110
21.128.140.0/24 United States 100%110
21.128.141.0/24 United States 100%110
21.128.142.0/24 United States 100%110
21.128.143.0/24 United States 100%110
21.128.144.0/24 United States 100%110
21.128.145.0/24 United States 100%110
21.128.146.0/24 United States 100%110
21.128.147.0/24 United States 100%110
21.128.148.0/24 United States 100%110
21.128.149.0/24 United States 100%110
21.128.150.0/24 United States 100%110
21.128.151.0/24 United States 100%110
21.128.152.0/24 United States 100%110
21.128.153.0/24 United States 100%110
21.128.154.0/24 United States 100%110
21.128.155.0/24 United States 100%110
21.128.156.0/24 United States 100%110
21.128.157.0/24 United States 100%110
21.128.158.0/24 United States 100%110
21.128.159.0/24 United States 100%110
21.128.160.0/24 United States 100%110
21.128.161.0/24 United States 100%110
21.128.162.0/24 United States 100%110
21.128.163.0/24 United States 100%110
21.128.164.0/24 United States 100%110
21.128.165.0/24 United States 100%110
21.128.166.0/24 United States 100%110
21.128.167.0/24 United States 100%110
21.128.168.0/24 United States 100%110
21.128.169.0/24 United States 100%110
21.128.170.0/24 United States 100%110
21.128.171.0/24 United States 100%110
21.128.172.0/24 United States 100%110
21.128.173.0/24 United States 100%110
21.128.174.0/24 United States 100%110
21.128.175.0/24 United States 100%110
21.128.176.0/24 United States 100%110
21.128.177.0/24 United States 100%110
21.128.178.0/24 United States 100%110
21.128.179.0/24 United States 100%110
21.128.180.0/24 United States 100%110
21.128.181.0/24 United States 100%110
21.128.182.0/24 United States 100%110
21.128.183.0/24 United States 100%110
21.128.184.0/24 United States 100%110
21.128.185.0/24 United States 100%110
21.128.186.0/24 United States 100%110
21.128.187.0/24 United States 100%110
21.128.188.0/24 United States 100%110
21.128.189.0/24 United States 100%110
21.128.190.0/24 United States 100%110
21.128.191.0/24 United States 100%110
21.128.192.0/24 United States 100%110
21.128.193.0/24 United States 100%110
21.128.194.0/24 United States 100%110
21.128.195.0/24 United States 100%110
21.128.196.0/24 United States 100%110
21.128.197.0/24 United States 100%110
21.128.198.0/24 United States 100%110
21.128.199.0/24 United States 100%110
21.128.200.0/24 United States 100%110
21.128.201.0/24 United States 100%110
21.128.202.0/24 United States 100%110
21.128.203.0/24 United States 100%110
21.128.204.0/24 United States 100%110
21.128.205.0/24 United States 100%110
21.128.206.0/24 United States 100%110
21.128.207.0/24 United States 100%110
21.128.208.0/24 United States 100%110
21.128.209.0/24 United States 100%110
21.128.210.0/24 United States 100%110
21.128.211.0/24 United States 100%110
21.128.212.0/24 United States 100%110
21.128.213.0/24 United States 100%110
21.128.214.0/24 United States 100%110
21.128.215.0/24 United States 100%110
21.128.216.0/24 United States 100%110
21.128.217.0/24 United States 100%110
21.128.218.0/24 United States 100%110
21.128.219.0/24 United States 100%110
21.128.220.0/24 United States 100%110
21.128.221.0/24 United States 100%110
21.128.222.0/24 United States 100%110
21.128.223.0/24 United States 100%110
21.128.224.0/24 United States 100%110
21.128.225.0/24 United States 100%110
21.128.226.0/24 United States 100%110
21.128.227.0/24 United States 100%110
21.128.228.0/24 United States 100%110
21.128.229.0/24 United States 100%110
21.128.230.0/24 United States 100%110
21.128.231.0/24 United States 100%110
21.128.232.0/24 United States 100%110
21.128.233.0/24 United States 100%110
21.128.234.0/24 United States 100%110
21.128.235.0/24 United States 100%110
21.128.236.0/24 United States 100%110
21.128.237.0/24 United States 100%110
21.128.238.0/24 United States 100%110
21.128.239.0/24 United States 100%110
21.128.240.0/24 United States 100%110
21.128.241.0/24 United States 100%110
21.128.242.0/24 United States 100%110
21.128.243.0/24 United States 100%110
21.128.244.0/24 United States 100%110
21.128.245.0/24 United States 100%110
21.128.246.0/24 United States 100%110
21.128.247.0/24 United States 100%110
21.128.248.0/24 United States 100%110
21.128.249.0/24 United States 100%110
21.128.250.0/24 United States 100%110
21.128.251.0/24 United States 100%110
21.128.252.0/24 United States 100%110
21.128.253.0/24 United States 100%110
21.128.254.0/24 United States 100%110
21.128.255.0/24 United States 100%110

Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.
101.174.31.144AS1221 Telstra Limited9.31ms from Adelaide,  AU
54.245.16.80AS16509 Amazon.com, Inc.0.23ms from Boardman,  US
184.185.110.96AS22773 Cox Communications Inc.2.47ms from Boston,  US
72.180.94.64AS11427 Charter Communications Inc5.41ms from Dallas,  US
99.151.38.112AS7018 AT&T Enterprises, LLC8.13ms from Dallas,  US
191.33.75.16AS18881 TELEFÔNICA BRASIL S.A18.48ms from Fortaleza,  BR
115.76.76.128AS7552 Viettel Group3.24ms from Ho Chi Minh City,  VN
68.89.65.128AS7018 AT&T Enterprises, LLC8.10ms from Houston,  US
162.224.238.176AS7018 AT&T Enterprises, LLC1.73ms from Los Angeles,  US
218.226.62.64AS9997 Suzuka Cable Co.,Ltd5.52ms from Osaka,  JP

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -m5 21.128.30.36
traceroute to 21.128.30.36 (21.128.30.36): 5 hops max, 52 byte packets
1 [AS136258] 185.126.237.1 0.31 ms
2 [AS1299] 213.248.66.104 0.26 ms
3 *
4 *
5 *
Measurement taken from  IPinfo ProbeNet in Bucharest, RO
OnÂ