Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About Amazon
Amazon.com, Inc. is an American multinational technology company engaged in e-commerce, cloud computing, online advertising, digital streaming, entertainment, and artificial intelligence.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 130.137.68.0/24 | 256 |
0.0%
|
Amazon.com, Inc. | US | — | — |
| 168.185.4.0/24 | 256 |
0.0%
|
Amazon.com, Inc. | US | California | San Jose |
| 192.43.184.0/24 | 256 |
0.0%
|
Amazon.com, Inc. | US | Ohio | Columbus |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS21664 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 192.43.184.0/24 | 12,147 | 2026-08-05 22:38:26 |
| 130.137.68.0/24 | 10,310 | 2026-08-05 23:24:52 |
| 168.185.4.0/24 | 9,113 | 2026-08-05 21:50:12 |
Frequently Asked Questions
What is AS21664?
AS21664 is an Autonomous System Number assigned to Amazon.com, Inc.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS21664 announce?
AS21664 announces 768 IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.
Who operates AS21664?
AS21664 is operated by Amazon.com, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS21664 registered in?
AS21664 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
