143.204.0.0/16
Where this subnet is, who announces it, and what our databases hold in it. Below, every /24 inside it; open one for its addresses.
Where it is
Addresses IP Geolocation places in each country, as a share of those it places.
- United States17,920 · 27.34%
- Japan4,864 · 7.42%
- France4,096 · 6.25%
- Switzerland3,584 · 5.47%
- Germany3,584 · 5.47%
- Israel3,584 · 5.47%
- Italy3,584 · 5.47%
- Oman3,584 · 5.47%
- Sweden3,584 · 5.47%
- Colombia3,328 · 5.08%
Who announces it
Each /24 counted for the AS announcing most of it, as a share of the routable addresses.
- AS16509Amazon.com, Inc.61,952 · 94.53%
What the databases see
Addresses each address-keyed database holds in this block, as a share of its routable addresses. Counts overlap: one address can be in several.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- Hosting IP65,536100.00%
- CDN IP65,536100.00%
- None here
- None here
- Anycast IP7681.17%
- None here
- None here
- None here
- Web IP58,15488.74%
- None here
Announced prefixes
Every prefix inside this block that BGP Route saw announced, with its origin and RPKI status.
| PREFIX | ORIGIN | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|---|
| 143.204.0.0/23 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.2.0/24 | AS16509Amazon.com, Inc. | Romania | Valid | 17 | 2026-10-02 |
| 143.204.3.0/24 | AS16509Amazon.com, Inc. | South Africa | Valid | 17 | 2026-10-02 |
| 143.204.4.0/24 | AS16509Amazon.com, Inc. | South Africa | Valid | 17 | 2026-10-02 |
| 143.204.5.0/24 | AS16509Amazon.com, Inc. | Romania | Valid | 17 | 2026-10-02 |
| 143.204.6.0/23 | AS16509Amazon.com, Inc. | Romania | Valid | 17 | 2026-10-09 |
| 143.204.8.0/21 | AS16509Amazon.com, Inc. | Romania | Valid | 17 | 2026-10-09 |
| 143.204.16.0/24 | AS16509Amazon.com, Inc. | South Africa | Valid | 17 | 2026-10-02 |
| 143.204.17.0/24 | AS16509Amazon.com, Inc. | Colombia | Valid | 1 | 2026-10-02 |
| 143.204.18.0/23 | AS16509Amazon.com, Inc. | Colombia | Valid | 1 | 2026-10-29 |
| 143.204.20.0/22 | AS16509Amazon.com, Inc. | Colombia | Valid | 1 | 2026-10-29 |
| 143.204.24.0/24 | AS16509Amazon.com, Inc. | Colombia | Valid | 1 | 2026-10-02 |
| 143.204.25.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.26.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.27.0/24 | AS16509Amazon.com, Inc. | South Africa | Valid | 17 | 2026-10-02 |
| 143.204.28.0/24 | AS16509Amazon.com, Inc. | South Africa | Valid | 17 | 2026-10-02 |
| 143.204.29.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.30.0/23 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.30.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.31.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.32.0/21 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.32.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.33.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.34.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.35.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.36.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.37.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.38.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.39.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.40.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.41.0/24 | AS16509Amazon.com, Inc. | Switzerland | Valid | 17 | 2026-10-02 |
| 143.204.42.0/24 | AS16509Amazon.com, Inc. | Switzerland | Valid | 17 | 2026-10-02 |
| 143.204.43.0/24 | AS16509Amazon.com, Inc. | South Africa | Valid | 17 | 2026-10-02 |
| 143.204.44.0/24 | AS16509Amazon.com, Inc. | South Africa | Valid | 17 | 2026-10-02 |
| 143.204.45.0/24 | AS16509Amazon.com, Inc. | Switzerland | Valid | 17 | 2026-10-02 |
| 143.204.46.0/23 | AS16509Amazon.com, Inc. | Switzerland | Valid | 1 | 2026-10-29 |
| 143.204.46.0/24 | AS16509Amazon.com, Inc. | Switzerland | Valid | 17 | 2026-10-02 |
| 143.204.47.0/24 | AS16509Amazon.com, Inc. | Switzerland | Valid | 17 | 2026-10-02 |
| 143.204.48.0/21 | AS16509Amazon.com, Inc. | Switzerland | Valid | 1 | 2026-10-29 |
| 143.204.48.0/24 | AS16509Amazon.com, Inc. | Switzerland | Valid | 17 | 2026-10-02 |
| 143.204.49.0/24 | AS16509Amazon.com, Inc. | Switzerland | Valid | 17 | 2026-10-02 |
| 143.204.50.0/24 | AS16509Amazon.com, Inc. | Switzerland | Valid | 17 | 2026-10-02 |
| 143.204.51.0/24 | AS16509Amazon.com, Inc. | Switzerland | Valid | 17 | 2026-10-02 |
| 143.204.52.0/24 | AS16509Amazon.com, Inc. | Switzerland | Valid | 17 | 2026-10-02 |
| 143.204.53.0/24 | AS16509Amazon.com, Inc. | Switzerland | Valid | 17 | 2026-10-02 |
| 143.204.54.0/24 | AS16509Amazon.com, Inc. | Switzerland | Valid | 17 | 2026-10-02 |
| 143.204.55.0/24 | AS16509Amazon.com, Inc. | Switzerland | Valid | 17 | 2026-10-02 |
| 143.204.56.0/24 | AS16509Amazon.com, Inc. | Switzerland | Valid | 17 | 2026-10-02 |
| 143.204.57.0/24 | AS16509Amazon.com, Inc. | Colombia | Valid | 1 | 2026-10-02 |
| 143.204.58.0/23 | AS16509Amazon.com, Inc. | Colombia | Valid | 1 | 2026-10-29 |
| 143.204.60.0/23 | AS16509Amazon.com, Inc. | Colombia | Valid | 1 | 2026-10-29 |
| 143.204.62.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.63.0/24 | AS16509Amazon.com, Inc. | Peru | Valid | 16 | 2026-10-02 |
| 143.204.64.0/24 | AS16509Amazon.com, Inc. | Peru | Valid | 16 | 2026-10-02 |
| 143.204.65.0/24 | AS16509Amazon.com, Inc. | United Kingdom | Valid | 17 | 2026-10-02 |
| 143.204.66.0/23 | AS16509Amazon.com, Inc. | United Kingdom | Valid | 17 | 2026-10-02 |
| 143.204.68.0/22 | AS16509Amazon.com, Inc. | United Kingdom | Valid | 17 | 2026-10-02 |
| 143.204.72.0/24 | AS16509Amazon.com, Inc. | United Kingdom | Valid | 17 | 2026-10-02 |
| 143.204.73.0/24 | AS16509Amazon.com, Inc. | Japan | Valid | 17 | 2026-10-02 |
| 143.204.74.0/24 | AS16509Amazon.com, Inc. | Japan | Valid | 17 | 2026-10-02 |
| 143.204.75.0/24 | AS16509Amazon.com, Inc. | South Africa | Valid | 17 | 2026-10-02 |
| 143.204.76.0/24 | AS16509Amazon.com, Inc. | South Africa | Valid | 17 | 2026-10-02 |
| 143.204.77.0/24 | AS16509Amazon.com, Inc. | Japan | Valid | 17 | 2026-10-02 |
| 143.204.78.0/23 | AS16509Amazon.com, Inc. | Japan | Valid | 17 | 2026-10-14 |
| 143.204.80.0/21 | AS16509Amazon.com, Inc. | Japan | Valid | 17 | 2026-10-14 |
| 143.204.88.0/24 | AS16509Amazon.com, Inc. | Japan | Valid | 17 | 2026-10-02 |
| 143.204.91.0/24 | AS16509Amazon.com, Inc. | South Africa | Valid | 17 | 2026-10-02 |
| 143.204.92.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 18 | 2026-10-02 |
| 143.204.105.0/24 | AS16509Amazon.com, Inc. | Oman | Valid | 17 | 2026-10-02 |
| 143.204.106.0/24 | AS16509Amazon.com, Inc. | Oman | Valid | 17 | 2026-10-02 |
| 143.204.107.0/24 | AS16509Amazon.com, Inc. | France | Valid | 17 | 2026-10-02 |
| 143.204.108.0/24 | AS16509Amazon.com, Inc. | France | Valid | 17 | 2026-10-02 |
| 143.204.109.0/24 | AS16509Amazon.com, Inc. | Oman | Valid | 17 | 2026-10-02 |
| 143.204.110.0/23 | AS16509Amazon.com, Inc. | Oman | Valid | 17 | 2026-10-29 |
| 143.204.112.0/21 | AS16509Amazon.com, Inc. | Oman | Valid | 17 | 2026-10-29 |
| 143.204.120.0/24 | AS16509Amazon.com, Inc. | Oman | Valid | 17 | 2026-10-02 |
| 143.204.121.0/24 | AS16509Amazon.com, Inc. | Japan | Valid | 17 | 2026-10-02 |
| 143.204.122.0/24 | AS16509Amazon.com, Inc. | Japan | Valid | 17 | 2026-10-02 |
| 143.204.123.0/24 | AS16509Amazon.com, Inc. | Peru | Valid | 16 | 2026-10-02 |
| 143.204.124.0/24 | AS16509Amazon.com, Inc. | Peru | Valid | 16 | 2026-10-02 |
| 143.204.125.0/24 | AS16509Amazon.com, Inc. | Japan | Valid | 17 | 2026-10-02 |
| 143.204.126.0/23 | AS16509Amazon.com, Inc. | Japan | Valid | 1 | 2026-10-29 |
| 143.204.126.0/24 | AS16509Amazon.com, Inc. | Japan | Valid | 17 | 2026-10-02 |
| 143.204.127.0/24 | AS16509Amazon.com, Inc. | Japan | Valid | 17 | 2026-10-02 |
| 143.204.128.0/21 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.136.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.137.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.138.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.139.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 18 | 2026-10-02 |
| 143.204.140.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 18 | 2026-10-02 |
| 143.204.141.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.142.0/23 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.144.0/21 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.152.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.153.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.154.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.155.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 18 | 2026-10-02 |
| 143.204.156.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 18 | 2026-10-02 |
| 143.204.157.0/24 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
| 143.204.158.0/23 | AS16509Amazon.com, Inc. | United States | Valid | 17 | 2026-10-02 |
Every /24 inside it
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.