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CIDR Range

104.28.43.64/26

64 IPs /26 Cloudflare, Inc. AS13335 India ARIN
Addresses
64
64
IP Range
104.28.43.64
→ 104.28.43.127
Sub-ranges
46+
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.

73/100
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 104.28.43.64/26

CIDRIPsOrganizationASNCountry
104.28.43.116/30 4 Cloudflare, Inc. AS13335 US
104.28.43.68/30 4 Cloudflare, Inc. AS13335 US
104.28.43.100/30 4 Cloudflare, Inc. AS13335 US
104.28.43.104/30 4 Cloudflare, Inc. AS13335 US
104.28.43.64/31 2 Cloudflare, Inc. AS13335 US
104.28.43.78/31 2 Cloudflare, Inc. AS13335 US
104.28.43.126/31 2 Cloudflare, Inc. AS13335 US
104.28.43.66/31 2 Cloudflare, Inc. AS13335 US
104.28.43.72/31 2 Cloudflare, Inc. AS13335 US
104.28.43.98/31 2 Cloudflare, Inc. AS13335 US
104.28.43.109/32 1 Cloudflare, Inc. AS13335 US
104.28.43.110/32 1 Cloudflare, Inc. AS13335 US
104.28.43.108/32 1 Cloudflare, Inc. AS13335 US
104.28.43.111/32 1 Cloudflare, Inc. AS13335 US
104.28.43.112/32 1 Cloudflare, Inc. AS13335 US
104.28.43.89/32 1 Cloudflare, Inc. AS13335 US
104.28.43.114/32 1 Cloudflare, Inc. AS13335 US
104.28.43.113/32 1 Cloudflare, Inc. AS13335 US
104.28.43.125/32 1 Cloudflare, Inc. AS13335 US
104.28.43.124/32 1 Cloudflare, Inc. AS13335 US
104.28.43.123/32 1 Cloudflare, Inc. AS13335 US
104.28.43.122/32 1 Cloudflare, Inc. AS13335 US
104.28.43.121/32 1 Cloudflare, Inc. AS13335 US
104.28.43.120/32 1 Cloudflare, Inc. AS13335 US
104.28.43.115/32 1 Cloudflare, Inc. AS13335 US
104.28.43.97/32 1 Cloudflare, Inc. AS13335 US
104.28.43.96/32 1 Cloudflare, Inc. AS13335 US
104.28.43.84/32 1 Cloudflare, Inc. AS13335 US
104.28.43.83/32 1 Cloudflare, Inc. AS13335 US
104.28.43.82/32 1 Cloudflare, Inc. AS13335 US
104.28.43.81/32 1 Cloudflare, Inc. AS13335 US
104.28.43.80/32 1 Cloudflare, Inc. AS13335 US
104.28.43.77/32 1 Cloudflare, Inc. AS13335 US
104.28.43.76/32 1 Cloudflare, Inc. AS13335 US
104.28.43.75/32 1 Cloudflare, Inc. AS13335 US
104.28.43.85/32 1 Cloudflare, Inc. AS13335 US
104.28.43.86/32 1 Cloudflare, Inc. AS13335 US
104.28.43.95/32 1 Cloudflare, Inc. AS13335 US
104.28.43.94/32 1 Cloudflare, Inc. AS13335 US
104.28.43.93/32 1 Cloudflare, Inc. AS13335 US
104.28.43.92/32 1 Cloudflare, Inc. AS13335 US
104.28.43.91/32 1 Cloudflare, Inc. AS13335 US
104.28.43.90/32 1 Cloudflare, Inc. AS13335 US
104.28.43.88/32 1 Cloudflare, Inc. AS13335 US
104.28.43.87/32 1 Cloudflare, Inc. AS13335 US
104.28.43.74/32 1 Cloudflare, Inc. AS13335 US

All 64 IP addresses in 104.28.43.64/26

104.28.43.64 104.28.43.65 104.28.43.66 104.28.43.67 104.28.43.68 104.28.43.69 104.28.43.70 104.28.43.71 104.28.43.72 104.28.43.73 104.28.43.74 104.28.43.75 104.28.43.76 104.28.43.77 104.28.43.78 104.28.43.79 104.28.43.80 104.28.43.81 104.28.43.82 104.28.43.83 104.28.43.84 104.28.43.85 104.28.43.86 104.28.43.87 104.28.43.88 104.28.43.89 104.28.43.90 104.28.43.91 104.28.43.92 104.28.43.93 104.28.43.94 104.28.43.95 104.28.43.96 104.28.43.97 104.28.43.98 104.28.43.99 104.28.43.100 104.28.43.101 104.28.43.102 104.28.43.103 104.28.43.104 104.28.43.105 104.28.43.106 104.28.43.107 104.28.43.108 104.28.43.109 104.28.43.110 104.28.43.111 104.28.43.112 104.28.43.113 104.28.43.114 104.28.43.115 104.28.43.116 104.28.43.117 104.28.43.118 104.28.43.119 104.28.43.120 104.28.43.121 104.28.43.122 104.28.43.123 104.28.43.124 104.28.43.125 104.28.43.126 104.28.43.127

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 104.28.43.0/24.

Announced prefix
104.28.43.0/24
Origin AS
AS13335
Announcement samples
5,406
Last seen
2026-07-23 17:51:04

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 104.28.43.64/26?

104.28.43.64/26 is a CIDR network block containing 64 IPv4 addresses (from 104.28.43.64 to 104.28.43.127). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 104.28.43.64/26 network?

The 104.28.43.64/26 range is allocated to Cloudflare, Inc. and announced via AS13335 from India.

How many IP addresses are in 104.28.43.64/26?

104.28.43.64/26 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 17:55:31 UTC
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