Summary
ASNs ASNs assigned to resource holders registered in this country | 19 |
Countries ASNs assigned to resource holders registered in this country | 4 |
| BGP Prefixes | 56 |
Routers IP addresses belonging to Routers in this country | 220 |
Pingable IPs IP addresses that replied to an ICMP ping | 4,272 |
- 98.51%
- 0.95%
- 0.42%
- 0.12%
Important routers in 72.21.0.0/16
| 72.21.221.227 | Ashburn, United States | AS16509Amazon.com, Inc. |
| 72.21.30.25 | Las Vegas, United States | AS21699IO INC |
| 72.21.30.27 | Las Vegas, United States | AS21699IO INC |
| 72.21.221.226 | Ashburn, United States | AS16509Amazon.com, Inc. |
| 72.21.221.245 | Ashburn, United States | AS16509Amazon.com, Inc. |
| 72.21.221.247 | Ashburn, United States | AS16509Amazon.com, Inc. |
| 72.21.189.53 | San Jose, United States | AS14717EZE Castle Integration Inc. |
| 72.21.79.70 | Denver, United States | AS4474TCT West, Inc. |
| 72.21.221.57 | Ashburn, United States | AS16509Amazon.com, Inc. |
| 72.21.79.125 | Cody, United States | AS4474TCT West, Inc. |
Pingable IPs
4,272 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
| 72.21.17.107Ping | AS394151Whatbox Inc. | 0.57ms from Ashburn, Â US |
| 72.21.97.122Ping | AS47064Education Service Center Region XV | 7.88ms from Dallas, Â US |
| 72.21.194.248Ping | AS16509Amazon.com, Inc. | 0.10ms from Reston, Â US |
| 72.21.75.171Ping | AS4474TCT West, Inc. | 9.99ms from Denver, Â US |
| 72.21.38.89Ping | AS39921Rackspace Ltd. | 0.80ms from Frankfurt am Main, Â DE |
| 72.21.94.46Ping | AS14210Edgecast Inc. | 0.57ms from Los Angeles, Â US |
| 72.21.176.200Ping | AS14717EZE Castle Integration Inc. | 3.03ms from New York City, Â US |
| 72.21.13.20Ping | AS16557Colo Solutions | 0.66ms from Orlando, Â US |
| 72.21.108.135Ping | AS47064Education Service Center Region XV | 10.32ms from Dallas, Â US |
| 72.21.185.60Ping | AS14717EZE Castle Integration Inc. | 0.93ms from New York City, Â US |
Other Pingable IPs
Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.
| 23.238.165.48Ping | AS16509Amazon.com, Inc. | 0.04ms from Bangkok, Â TH |
| 181.94.153.176Ping | AS7303Telecom Argentina S.A. | 4.98ms from Buenos Aires, Â AR |
| 81.43.130.0Ping | AS3352TELEFONICA DE ESPANA S.A.U. | 1.85ms from Madrid, Â ES |
| 80.31.66.32Ping | AS3352TELEFONICA DE ESPANA S.A.U. | 7.29ms from Madrid, Â ES |
| 79.199.172.64Ping | AS3320Deutsche Telekom AG | 1.75ms from Munich, Â DE |
| 36.136.90.112Ping | AS9808China Mobile Communications Group Co., Ltd. | 1.78ms from Nanning, Â CN |
| 73.183.101.112Ping | AS7922Comcast Cable Communications, LLC | 7.57ms from Pittsburgh, Â US |
| 187.152.214.176Ping | AS8151UNINET | 4.79ms from Santiago de Queretaro, Â MX |
| 211.116.121.96Ping | AS17854SK Broadband Co Ltd | 4.70ms from Seoul, Â KR |
| 114.41.180.144Ping | AS3462Data Communication Business Group | 1.19ms from Taichung, Â TW |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.Traceroute →
$ traceroute -a -n -q1 -f4 72.21.11.161
traceroute to 72.21.11.161 (72.21.11.161): 64 hops max, 52 byte packets
5Â *
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11Â *
Measurement taken from 
 IPinfo ProbeNet in Cascavel, BR
 IPinfo ProbeNet in Cascavel, BROnÂ