United States · Hosting
AS16509
Amazon.com, Inc.
Hosting ARIN AMAZON-02
EC2. Amazon publishes its ranges as machine-readable JSON, which means every anti-bot vendor has had a perfect blocklist of this ASN for years. Fine for API work, useless against a consumer-facing WAF.
Hosting — Cloud and dedicated servers. Widely flagged as datacenter traffic.
- Announced prefixes
- 6
- 5 IPv4 · 1 IPv6
- IPv4 addresses
- 14M
- across the blocks listed below
- Largest block
- /9
- smallest prefix length announced
- Registry
- ARIN
- AMAZON-02
01 Ranges
Announced ranges
The blocks AS16509 advertises to the rest of the internet in this snapshot. A production routing table carries more — large carriers de-aggregate for traffic engineering — so treat the totals as a floor.
Matched in your browser against the 6 blocks below. Nothing is sent anywhere.
IPv4 — 5 blocks
| Prefix | First address | Last address | Addresses |
|---|---|---|---|
| 3.0.0.0/9 | 3.0.0.0 | 3.127.255.255 | 8,388,608 |
| 18.32.0.0/11 | 18.32.0.0 | 18.63.255.255 | 2,097,152 |
| 35.152.0.0/13 | 35.152.0.0 | 35.159.255.255 | 524,288 |
| 52.0.0.0/11 | 52.0.0.0 | 52.31.255.255 | 2,097,152 |
| 54.144.0.0/12 | 54.144.0.0 | 54.159.255.255 | 1,048,576 |
IPv6 — 1 blocks
| Prefix | First address | Last address | Addresses |
|---|---|---|---|
| 2600:1f00::/24 | 2600:1f00:: | 2600:1fff:ffff:ffff:ffff:ffff:ffff:ffff | 2^104 |