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CIDR Range

104.28.241.64/27

Addresses
32
32
Sub-ranges
42+
within this block
PTR Density
0.0%
0 of 32 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.

68/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 104.28.241.64/27

CIDRIPsOrganizationASNCountry
104.28.241.80/29 8 Cloudflare, Inc. AS13335 US
104.28.241.80/29 8 Cloudflare, Inc. AS13335 GB
104.28.241.80/29 8 Cloudflare, Inc. AS13335 GB
104.28.241.64/30 4 Cloudflare, Inc. AS13335 US
104.28.241.76/30 4 Cloudflare, Inc. AS13335 GB
104.28.241.76/30 4 Cloudflare, Inc. AS13335 GB
104.28.241.76/30 4 Cloudflare, Inc. AS13335 US
104.28.241.64/30 4 Cloudflare, Inc. AS13335 US
104.28.241.64/30 4 Cloudflare, Inc. AS13335 US
104.28.241.94/31 2 Cloudflare, Inc. AS13335 DE
104.28.241.90/31 2 Cloudflare, Inc. AS13335 YE
104.28.241.90/31 2 Cloudflare, Inc. AS13335 US
104.28.241.90/31 2 Cloudflare, Inc. AS13335 YE
104.28.241.92/31 2 Cloudflare, Inc. AS13335 YE
104.28.241.92/31 2 Cloudflare, Inc. AS13335 US
104.28.241.92/31 2 Cloudflare, Inc. AS13335 YE
104.28.241.94/31 2 Cloudflare, Inc. AS13335 DE
104.28.241.94/31 2 Cloudflare, Inc. AS13335 US
104.28.241.70/31 2 Cloudflare, Inc. AS13335 US
104.28.241.72/31 2 Cloudflare, Inc. AS13335 IT
104.28.241.70/31 2 Cloudflare, Inc. AS13335 IT
104.28.241.70/31 2 Cloudflare, Inc. AS13335 IT
104.28.241.72/31 2 Cloudflare, Inc. AS13335 US
104.28.241.72/31 2 Cloudflare, Inc. AS13335 IT
104.28.241.69/32 1 Cloudflare, Inc. AS13335 US
104.28.241.69 1 Cloudflare, Inc. AS13335 IT
104.28.241.69/32 1 Cloudflare, Inc. AS13335 IT
104.28.241.68/32 1 Cloudflare, Inc. AS13335 US
104.28.241.68/32 1 Cloudflare, Inc. AS13335 US
104.28.241.68 1 Cloudflare, Inc. AS13335 US
104.28.241.89/32 1 Cloudflare, Inc. AS13335 YE
104.28.241.75/32 1 Cloudflare, Inc. AS13335 US
104.28.241.89 1 Cloudflare, Inc. AS13335 YE
104.28.241.75/32 1 Cloudflare, Inc. AS13335 GB
104.28.241.75 1 Cloudflare, Inc. AS13335 GB
104.28.241.74/32 1 Cloudflare, Inc. AS13335 IT
104.28.241.74 1 Cloudflare, Inc. AS13335 IT
104.28.241.74/32 1 Cloudflare, Inc. AS13335 US
104.28.241.88 1 Cloudflare, Inc. AS13335 GB
104.28.241.88/32 1 Cloudflare, Inc. AS13335 US
104.28.241.88/32 1 Cloudflare, Inc. AS13335 GB
104.28.241.89/32 1 Cloudflare, Inc. AS13335 US

Geolocation

All 32 IP addresses in 104.28.241.64/27

Not announced as an exact prefix — covered by the announced supernet 104.28.241.0/24.

Announced prefix
Origin AS
Announcement samples
5,324
Last seen
2026-07-23 13:30:54

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files.

Date Event From To
2026-05-10 New Allocation US

Frequently Asked Questions

What is 104.28.241.64/27?

104.28.241.64/27 is a CIDR network block containing 32 IPv4 addresses (from 104.28.241.64 to 104.28.241.95). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 104.28.241.64/27 network?

The 104.28.241.64/27 range is allocated to Cloudflare, Inc. and announced via AS13335 from United States.

How many IP addresses are in 104.28.241.64/27?

104.28.241.64/27 contains exactly 32 usable IPv4 addresses. A /27 prefix length means 32 addresses are covered by this single routing entry.

Last updated: 2026-07-23 13:40:37 UTC
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