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CIDR Range

1.0.0.1/32

Addresses
1
1
IP Range
Sub-ranges
0+
within this block

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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

All 1 IP addresses in 1.0.0.1/32

Not announced as an exact prefix — covered by the announced supernet 1.0.0.0/24.

Announced prefix
Origin AS
Announcement samples
101,197
Last seen
2026-10-14 07:49:37

Frequently Asked Questions

What is 1.0.0.1/32?

1.0.0.1/32 is a CIDR network block containing 1 IPv4 addresses (from 1.0.0.1 to 1.0.0.1). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 1.0.0.1/32 network?

The 1.0.0.1/32 range is allocated to Cloudflare, Inc. and announced via AS13335 from Australia.

How many IP addresses are in 1.0.0.1/32?

1.0.0.1/32 contains exactly 1 usable IPv4 addresses. A /32 prefix length means 1 addresses are covered by this single routing entry.

Last updated: 2026-10-14 07:54:05 UTC
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