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CIDR Range

104.28.156.64/26

Addresses
64
64
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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 104.28.156.64/26

CIDRIPsOrganizationASNCountry
104.28.156.112/28 16 Cloudflare, Inc. AS13335 US
104.28.156.112/28 16 Cloudflare, Inc. AS13335 SG
104.28.156.112/28 16 Cloudflare, Inc. AS13335 SG
104.28.156.72/29 8 Cloudflare, Inc. AS13335 RU
104.28.156.72/29 8 Cloudflare, Inc. AS13335 RU
104.28.156.104/29 8 Cloudflare, Inc. AS13335 SG
104.28.156.104/29 8 Cloudflare, Inc. AS13335 US
104.28.156.104/29 8 Cloudflare, Inc. AS13335 SG
104.28.156.72/29 8 Cloudflare, Inc. AS13335 US
104.28.156.92/30 4 Cloudflare, Inc. AS13335 US
104.28.156.92/30 4 Cloudflare, Inc. AS13335 RU
104.28.156.68/30 4 Cloudflare, Inc. AS13335 RU
104.28.156.68/30 4 Cloudflare, Inc. AS13335 US
104.28.156.68/30 4 Cloudflare, Inc. AS13335 RU
104.28.156.100/30 4 Cloudflare, Inc. AS13335 SG
104.28.156.100/30 4 Cloudflare, Inc. AS13335 US
104.28.156.100/30 4 Cloudflare, Inc. AS13335 SG
104.28.156.92/30 4 Cloudflare, Inc. AS13335 RU
104.28.156.90/31 2 Cloudflare, Inc. AS13335 FI
104.28.156.90/31 2 Cloudflare, Inc. AS13335 US
104.28.156.90/31 2 Cloudflare, Inc. AS13335 FI
104.28.156.96/31 2 Cloudflare, Inc. AS13335 RU
104.28.156.96/31 2 Cloudflare, Inc. AS13335 RU
104.28.156.66/31 2 Cloudflare, Inc. AS13335 RU
104.28.156.66/31 2 Cloudflare, Inc. AS13335 RU
104.28.156.80/31 2 Cloudflare, Inc. AS13335 US
104.28.156.80/31 2 Cloudflare, Inc. AS13335 US
104.28.156.80/31 2 Cloudflare, Inc. AS13335 US
104.28.156.66/31 2 Cloudflare, Inc. AS13335 US
104.28.156.98 1 Cloudflare, Inc. AS13335 TH
104.28.156.97/32 1 Cloudflare, Inc. AS13335 US
104.28.156.99/32 1 Cloudflare, Inc. AS13335 US
104.28.156.89/32 1 Cloudflare, Inc. AS13335 US
104.28.156.64 1 Cloudflare, Inc. AS13335 LT
104.28.156.96/32 1 Cloudflare, Inc. AS13335 US
104.28.156.98/32 1 Cloudflare, Inc. AS13335 US
104.28.156.98/32 1 Cloudflare, Inc. AS13335 TH
104.28.156.99 1 Cloudflare, Inc. AS13335 SG
104.28.156.99/32 1 Cloudflare, Inc. AS13335 SG
104.28.156.87 1 Cloudflare, Inc. AS13335 LV
104.28.156.65/32 1 Cloudflare, Inc. AS13335 BY
104.28.156.65/32 1 Cloudflare, Inc. AS13335 US
104.28.156.65 1 Cloudflare, Inc. AS13335 BY
104.28.156.64/32 1 Cloudflare, Inc. AS13335 LT
104.28.156.64/32 1 Cloudflare, Inc. AS13335 US
104.28.156.82 1 Cloudflare, Inc. AS13335 BR
104.28.156.82/32 1 Cloudflare, Inc. AS13335 US
104.28.156.86/32 1 Cloudflare, Inc. AS13335 RU
104.28.156.86/32 1 Cloudflare, Inc. AS13335 US
104.28.156.86 1 Cloudflare, Inc. AS13335 RU

Geolocation

All 64 IP addresses in 104.28.156.64/26

Not announced as an exact prefix — covered by the announced supernet 104.28.156.0/24.

Announced prefix
Origin AS
Announcement samples
5,483
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 104.28.156.64/26?

104.28.156.64/26 is a CIDR network block containing 64 IPv4 addresses (from 104.28.156.64 to 104.28.156.127). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 104.28.156.64/26 network?

The 104.28.156.64/26 range is allocated to Cloudflare, Inc. and announced via AS13335 from Germany.

How many IP addresses are in 104.28.156.64/26?

104.28.156.64/26 contains exactly 64 usable IPv4 addresses. A /26 prefix length means 64 addresses are covered by this single routing entry.

Last updated: 2026-07-23 14:40:31 UTC
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