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CIDR Range

151.56.0.0/13

524.3K IPs /13 Wind Tre S.p.A. AS1267 Italy RIPE
Addresses
524,288
524.3K
IP Range
151.56.0.0
→ 151.63.255.255
Sub-ranges
50+
within this block
PTR Density
0.0%
183 of 524.3K 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 →

Ranges inside 151.56.0.0/13

CIDRIPsOrganizationASNCountry
151.61.64.0/18 16.4K Wind Tre S.p.A. AS1267 IT
151.57.0.0/18 16.4K Wind Tre S.p.A. AS1267 IT
151.59.192.0/18 16.4K Wind Tre S.p.A. AS1267 IT
151.61.128.0/18 16.4K Wind Tre S.p.A. AS1267 IT
151.60.224.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.58.128.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.56.128.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.58.96.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.63.96.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.62.64.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.57.64.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.62.32.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.61.32.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.58.192.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.60.96.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.56.32.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.59.160.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.63.160.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.63.128.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.56.0.0/19 8.2K Wind Tre S.p.A. AS1267 IT
151.60.32.0/20 4.1K Wind Tre S.p.A. AS1267 IT
151.60.128.0/20 4.1K Wind Tre S.p.A. AS1267 IT
151.59.144.0/20 4.1K Wind Tre S.p.A. AS1267 IT
151.61.16.0/20 4.1K Wind Tre S.p.A. AS1267 IT
151.61.0.0/20 4.1K Wind Tre S.p.A. AS1267 IT
151.60.144.0/20 4.1K Wind Tre S.p.A. AS1267 IT
151.60.208.0/20 4.1K Wind Tre S.p.A. AS1267 IT
151.60.80.0/20 4.1K Wind Tre S.p.A. AS1267 IT
151.60.64.0/20 4.1K Wind Tre S.p.A. AS1267 IT
151.60.0.0/20 4.1K Wind Tre S.p.A. AS1267 IT
151.60.48.0/20 4.1K Wind Tre S.p.A. AS1267 IT
151.60.192.0/20 4.1K Wind Tre S.p.A. AS1267 IT

First and last addresses in 151.56.0.0/13

151.56.0.0/13 runs from 151.56.0.0 to 151.63.255.255.

First 16
151.56.0.0 151.56.0.1 151.56.0.2 151.56.0.3 151.56.0.4 151.56.0.5 151.56.0.6 151.56.0.7 151.56.0.8 151.56.0.9 151.56.0.10 151.56.0.11 151.56.0.12 151.56.0.13 151.56.0.14 151.56.0.15
Last 16
151.63.255.240 151.63.255.241 151.63.255.242 151.63.255.243 151.63.255.244 151.63.255.245 151.63.255.246 151.63.255.247 151.63.255.248 151.63.255.249 151.63.255.250 151.63.255.251 151.63.255.252 151.63.255.253 151.63.255.254 151.63.255.255

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 151.48.0.0/12.

Announced prefix
151.48.0.0/12
Origin AS
AS1267
Announcement samples
76,567
Last seen
2026-11-13 18:03:52

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 — IT

Frequently Asked Questions

What is 151.56.0.0/13?

151.56.0.0/13 is a CIDR network block containing 524,288 IPv4 addresses (from 151.56.0.0 to 151.63.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 151.56.0.0/13 network?

The 151.56.0.0/13 range is allocated to Wind Tre S.p.A. and announced via AS1267 from Italy.

Last updated: 2026-11-13 18:24:05 UTC
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