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CIDR Range

18.163.160.0/19

Addresses
8,192
8.2K
Sub-ranges
0+
within this block
PTR Density
100.0%
8.2K of 8.2K 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.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

First and last addresses in 18.163.160.0/19

18.163.160.0/19 runs from 18.163.160.0 to 18.163.191.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 18.163.0.0/16.

Announced prefix
Origin AS
Announcement samples
19,015
Last seen
2026-11-13 20:42:24

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-05-10 New Allocation — US

Frequently Asked Questions

What is 18.163.160.0/19?

18.163.160.0/19 is a CIDR network block containing 8,192 IPv4 addresses (from 18.163.160.0 to 18.163.191.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 18.163.160.0/19 network?

The 18.163.160.0/19 range is allocated to Amazon.com, Inc. and announced via AS16509 from Hong Kong.

Last updated: 2026-11-13 21:09:05 UTC
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