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CIDR Range

51.95.0.0/16

Addresses
65,536
65.5K
Sub-ranges
0+
within this block
PTR Density
99.9%
65.5K of 65.5K 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.

76/100
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 51.95.0.0/16

51.95.0.0/16 runs from 51.95.0.0 to 51.95.255.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 51.94.0.0/15.

Announced prefix
Origin AS
Announcement samples
18,146
Last seen
2026-10-27 11:25:14

Frequently Asked Questions

What is 51.95.0.0/16?

51.95.0.0/16 is a CIDR network block containing 65,536 IPv4 addresses (from 51.95.0.0 to 51.95.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 51.95.0.0/16 network?

The 51.95.0.0/16 range is allocated to Amazon.com, Inc. and announced via AS16509 from Spain.

Last updated: 2026-10-27 12:24:05 UTC
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