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CIDR Range

217.72.106.0/23

Addresses
512
512
Sub-ranges
0+
within this block
PTR Density
69.3%
355 of 512 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.

80/100
Trusted
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 217.72.106.0/23

217.72.106.0/23 runs from 217.72.106.0 to 217.72.107.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 217.72.96.0/20.

Announced prefix
Origin AS
Announcement samples
22,219
Last seen
2026-11-13 08:17:51

Frequently Asked Questions

What is 217.72.106.0/23?

217.72.106.0/23 is a CIDR network block containing 512 IPv4 addresses (from 217.72.106.0 to 217.72.107.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 217.72.106.0/23 network?

The 217.72.106.0/23 range is allocated to UNIDATA S.p.A. and announced via AS5394 from Italy.

Last updated: 2026-11-13 08:24:05 UTC
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