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CIDR Range

104.28.210.0/26

64 IPs /26 Cloudflare, Inc. AS13335 United States ARIN
Addresses
64
64
IP Range
104.28.210.0
→ 104.28.210.63
Sub-ranges
50+
within this block
PTR Density
0.0%
0 of 64 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 104.28.210.0/26

CIDRIPsOrganizationASNCountry
104.28.210.0/28 16 Cloudflare, Inc. AS13335 US
104.28.210.0/28 16 Cloudflare, Inc. AS13335 US
104.28.210.8/29 8 Cloudflare, Inc. AS13335 US
104.28.210.40/30 4 Cloudflare, Inc. AS13335 US
104.28.210.52/30 4 Cloudflare, Inc. AS13335 US
104.28.210.52/30 4 Cloudflare, Inc. AS13335 US
104.28.210.24/30 4 Cloudflare, Inc. AS13335 BR
104.28.210.24/30 4 Cloudflare, Inc. AS13335 US
104.28.210.24/30 4 Cloudflare, Inc. AS13335 BR
104.28.210.52/30 4 Cloudflare, Inc. AS13335 US
104.28.210.32/30 4 Cloudflare, Inc. AS13335 JP
104.28.210.32/30 4 Cloudflare, Inc. AS13335 US
104.28.210.32/30 4 Cloudflare, Inc. AS13335 JP
104.28.210.40/30 4 Cloudflare, Inc. AS13335 MY
104.28.210.60/30 4 Cloudflare, Inc. AS13335 BR
104.28.210.60/30 4 Cloudflare, Inc. AS13335 US
104.28.210.60/30 4 Cloudflare, Inc. AS13335 BR
104.28.210.4/30 4 Cloudflare, Inc. AS13335 US
104.28.210.40/30 4 Cloudflare, Inc. AS13335 MY
104.28.210.46/31 2 Cloudflare, Inc. AS13335 US
104.28.210.46/31 2 Cloudflare, Inc. AS13335 CD
104.28.210.30/31 2 Cloudflare, Inc. AS13335 US
104.28.210.46/31 2 Cloudflare, Inc. AS13335 CD
104.28.210.38/31 2 Cloudflare, Inc. AS13335 MY
104.28.210.48/31 2 Cloudflare, Inc. AS13335 CD
104.28.210.48/31 2 Cloudflare, Inc. AS13335 US
104.28.210.50/31 2 Cloudflare, Inc. AS13335 US
104.28.210.50/31 2 Cloudflare, Inc. AS13335 US
104.28.210.50/31 2 Cloudflare, Inc. AS13335 US
104.28.210.38/31 2 Cloudflare, Inc. AS13335 MY
104.28.210.38/31 2 Cloudflare, Inc. AS13335 US
104.28.210.30/31 2 Cloudflare, Inc. AS13335 JP
104.28.210.56/31 2 Cloudflare, Inc. AS13335 US
104.28.210.2/31 2 Cloudflare, Inc. AS13335 US
104.28.210.20/31 2 Cloudflare, Inc. AS13335 CM
104.28.210.56/31 2 Cloudflare, Inc. AS13335 US
104.28.210.18/31 2 Cloudflare, Inc. AS13335 CM
104.28.210.18/31 2 Cloudflare, Inc. AS13335 US
104.28.210.18/31 2 Cloudflare, Inc. AS13335 CM
104.28.210.20/31 2 Cloudflare, Inc. AS13335 CM
104.28.210.20/31 2 Cloudflare, Inc. AS13335 US
104.28.210.48/31 2 Cloudflare, Inc. AS13335 CD
104.28.210.22/31 2 Cloudflare, Inc. AS13335 BR
104.28.210.22/31 2 Cloudflare, Inc. AS13335 US
104.28.210.22/31 2 Cloudflare, Inc. AS13335 BR
104.28.210.56/31 2 Cloudflare, Inc. AS13335 US
104.28.210.30/31 2 Cloudflare, Inc. AS13335 JP
104.28.210.16 1 Cloudflare, Inc. AS13335 US
104.28.210.59 1 Cloudflare, Inc. AS13335 BR
104.28.210.59/32 1 Cloudflare, Inc. AS13335 US

Geolocation

All 64 IP addresses in 104.28.210.0/26

104.28.210.0 104.28.210.1 104.28.210.2 104.28.210.3 104.28.210.4 104.28.210.5 104.28.210.6 104.28.210.7 104.28.210.8 104.28.210.9 104.28.210.10 104.28.210.11 104.28.210.12 104.28.210.13 104.28.210.14 104.28.210.15 104.28.210.16 104.28.210.17 104.28.210.18 104.28.210.19 104.28.210.20 104.28.210.21 104.28.210.22 104.28.210.23 104.28.210.24 104.28.210.25 104.28.210.26 104.28.210.27 104.28.210.28 104.28.210.29 104.28.210.30 104.28.210.31 104.28.210.32 104.28.210.33 104.28.210.34 104.28.210.35 104.28.210.36 104.28.210.37 104.28.210.38 104.28.210.39 104.28.210.40 104.28.210.41 104.28.210.42 104.28.210.43 104.28.210.44 104.28.210.45 104.28.210.46 104.28.210.47 104.28.210.48 104.28.210.49 104.28.210.50 104.28.210.51 104.28.210.52 104.28.210.53 104.28.210.54 104.28.210.55 104.28.210.56 104.28.210.57 104.28.210.58 104.28.210.59 104.28.210.60 104.28.210.61 104.28.210.62 104.28.210.63

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 104.28.210.0/24.

Announced prefix
104.28.210.0/24
Origin AS
AS13335
Announcement samples
6,092
Last seen
2026-07-29 11:52:33

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 104.28.210.0/26?

104.28.210.0/26 is a CIDR network block containing 64 IPv4 addresses (from 104.28.210.0 to 104.28.210.63). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 104.28.210.0/26 network?

The 104.28.210.0/26 range is allocated to Cloudflare, Inc. and announced via AS13335 from United States.

How many IP addresses are in 104.28.210.0/26?

104.28.210.0/26 contains exactly 64 usable IPv4 addresses. A /26 prefix length means 64 addresses are covered by this single routing entry.

Last updated: 2026-07-29 11:55:31 UTC
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