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CIDR Range

104.28.155.64/27

Addresses
32
32
Sub-ranges
50+
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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 104.28.155.64/27

CIDRIPsOrganizationASNCountry
104.28.155.88/30 4 Cloudflare, Inc. AS13335 IN
104.28.155.88/30 4 Cloudflare, Inc. AS13335 US
104.28.155.88/30 4 Cloudflare, Inc. AS13335 IN
104.28.155.92/31 2 Cloudflare, Inc. AS13335 IN
104.28.155.78/31 2 Cloudflare, Inc. AS13335 US
104.28.155.78/31 2 Cloudflare, Inc. AS13335 AZ
104.28.155.76/31 2 Cloudflare, Inc. AS13335 PK
104.28.155.76/31 2 Cloudflare, Inc. AS13335 US
104.28.155.76/31 2 Cloudflare, Inc. AS13335 PK
104.28.155.80/31 2 Cloudflare, Inc. AS13335 AZ
104.28.155.72/31 2 Cloudflare, Inc. AS13335 KW
104.28.155.78/31 2 Cloudflare, Inc. AS13335 AZ
104.28.155.80/31 2 Cloudflare, Inc. AS13335 AZ
104.28.155.80/31 2 Cloudflare, Inc. AS13335 US
104.28.155.82/31 2 Cloudflare, Inc. AS13335 IN
104.28.155.82/31 2 Cloudflare, Inc. AS13335 US
104.28.155.82/31 2 Cloudflare, Inc. AS13335 IN
104.28.155.86/31 2 Cloudflare, Inc. AS13335 IN
104.28.155.86/31 2 Cloudflare, Inc. AS13335 US
104.28.155.86/31 2 Cloudflare, Inc. AS13335 IN
104.28.155.92/31 2 Cloudflare, Inc. AS13335 IN
104.28.155.72/31 2 Cloudflare, Inc. AS13335 US
104.28.155.72/31 2 Cloudflare, Inc. AS13335 KW
104.28.155.66/31 2 Cloudflare, Inc. AS13335 US
104.28.155.66/31 2 Cloudflare, Inc. AS13335 AE
104.28.155.92/31 2 Cloudflare, Inc. AS13335 US
104.28.155.66/31 2 Cloudflare, Inc. AS13335 AE
104.28.155.85/32 1 Cloudflare, Inc. AS13335 IN
104.28.155.85/32 1 Cloudflare, Inc. AS13335 US
104.28.155.85 1 Cloudflare, Inc. AS13335 IN
104.28.155.65/32 1 Cloudflare, Inc. AS13335 QA
104.28.155.65/32 1 Cloudflare, Inc. AS13335 US
104.28.155.65 1 Cloudflare, Inc. AS13335 QA
104.28.155.64/32 1 Cloudflare, Inc. AS13335 SA
104.28.155.95/32 1 Cloudflare, Inc. AS13335 IN
104.28.155.95/32 1 Cloudflare, Inc. AS13335 US
104.28.155.95 1 Cloudflare, Inc. AS13335 IN
104.28.155.94/32 1 Cloudflare, Inc. AS13335 PK
104.28.155.94/32 1 Cloudflare, Inc. AS13335 US
104.28.155.94 1 Cloudflare, Inc. AS13335 PK
104.28.155.64 1 Cloudflare, Inc. AS13335 SA
104.28.155.64/32 1 Cloudflare, Inc. AS13335 US
104.28.155.84/32 1 Cloudflare, Inc. AS13335 PK
104.28.155.84/32 1 Cloudflare, Inc. AS13335 US
104.28.155.84 1 Cloudflare, Inc. AS13335 PK
104.28.155.71/32 1 Cloudflare, Inc. AS13335 US
104.28.155.74/32 1 Cloudflare, Inc. AS13335 US
104.28.155.74/32 1 Cloudflare, Inc. AS13335 OM
104.28.155.75 1 Cloudflare, Inc. AS13335 PK
104.28.155.75/32 1 Cloudflare, Inc. AS13335 US

Geolocation

All 32 IP addresses in 104.28.155.64/27

Not announced as an exact prefix — covered by the announced supernet 104.28.155.0/24.

Announced prefix
Origin AS
Announcement samples
5,500
Last seen
2026-07-23 23:23:11

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 104.28.155.64/27?

104.28.155.64/27 is a CIDR network block containing 32 IPv4 addresses (from 104.28.155.64 to 104.28.155.95). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 104.28.155.64/27 network?

The 104.28.155.64/27 range is allocated to Cloudflare, Inc. and announced via AS13335 from Germany.

How many IP addresses are in 104.28.155.64/27?

104.28.155.64/27 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 23:25:31 UTC
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