Addresses
262,144
262.1K
Sub-ranges
19+
within this block
PTR Density
100.0%
262.1K of 262.1K IPs have PTR
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.
73/100
Moderate
How this score is built
- Baseline (neutral) 65
- Has a reverse-DNS (PTR) record +5
- Established allocation (8y) +3
- Trust score 73 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 3.136.0.0/14
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 3.136.0.0/15 | 131.1K | Amazon.com, Inc. | AS16509 | US |
| 3.137.0.0/16 | 65.5K | Amazon.com, Inc. | AS16509 | US |
| 3.138.0.0/16 | 65.5K | Amazon.com, Inc. | AS16509 | US |
| 3.139.0.0/17 | 32.8K | Amazon.com, Inc. | AS16509 | US |
| 3.139.128.0/17 | 32.8K | Amazon.com, Inc. | AS16509 | US |
| 3.136.128.0/17 | 32.8K | Amazon.com, Inc. | AS16509 | US |
| 3.139.128.0/18 | 16.4K | Amazon.com, Inc. | AS16509 | US |
| 3.139.64.0/18 | 16.4K | Amazon.com, Inc. | AS16509 | US |
| 3.136.0.0/18 | 16.4K | Amazon.com, Inc. | AS16509 | US |
| 3.139.224.0/19 | 8.2K | Amazon.com, Inc. | AS16509 | US |
| 3.139.192.0/19 | 8.2K | Amazon.com, Inc. | AS16509 | US |
| 3.136.64.0/19 | 8.2K | Amazon.com, Inc. | AS16509 | US |
| 3.139.32.0/19 | 8.2K | Amazon.com, Inc. | AS16509 | US |
| 3.136.112.0/20 | 4.1K | Amazon.com, Inc. | AS16509 | US |
| 3.136.96.0/20 | 4.1K | Amazon.com, Inc. | AS16509 | US |
| 3.139.192.0/20 | 4.1K | Amazon.com, Inc. | AS16509 | US |
| 3.139.16.0/20 | 4.1K | Amazon.com, Inc. | AS16509 | US |
| 3.139.208.0/20 | 4.1K | Amazon.com, Inc. | AS16509 | US |
| 3.139.0.0/20 | 4.1K | Amazon.com, Inc. | AS16509 | US |
Geolocation
First 256 of 262,144 IP addresses in 3.136.0.0/14
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+ 261.9K more (range too large to list inline)
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 3.136.0.0/13.
Announced prefix
Origin AS
Announcement samples
5,128
Last seen
2026-07-18 08:44:23
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | US |
Frequently Asked Questions
What is 3.136.0.0/14?
3.136.0.0/14 is a CIDR network block containing 262,144 IPv4 addresses (from 3.136.0.0 to 3.139.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 3.136.0.0/14 network?
The 3.136.0.0/14 range is allocated to Amazon.com, Inc. and announced via AS16509 from United States.
Last updated: 2026-07-18 09:10:32 UTC
