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CIDR Range

4.75.0.0/17

Addresses
32,768
32.8K
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 32.8K 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 4.75.0.0/17

4.75.0.0/17 runs from 4.75.0.0 to 4.75.127.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 4.0.0.0/9.

Announced prefix
Origin AS
Announcement samples
9,483
Last seen
2026-10-28 02:18:28

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 4.75.0.0/17?

4.75.0.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 4.75.0.0 to 4.75.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 4.75.0.0/17 network?

The 4.75.0.0/17 range is allocated to Level 3 Parent, LLC and announced via AS3356 from United States.

Last updated: 2026-10-28 03:39:05 UTC
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