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CIDR Range

8.29.231.128/28

Addresses
16
16
Sub-ranges
44+
within this block
PTR Density
0.0%
0 of 16 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.

71/100
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 8.29.231.128/28

CIDRIPsOrganizationASNCountry
8.29.231.132/31 2 Cloudflare, Inc. AS13335 US
8.29.231.132/31 2 Cloudflare, Inc. AS13335 US
8.29.231.130/31 2 Cloudflare, Inc. AS13335 US
8.29.231.130/31 2 Cloudflare, Inc. AS13335 US
8.29.231.140 1 Cloudflare, Inc. AS13335 PL
8.29.231.139/32 1 Cloudflare, Inc. AS13335 US
8.29.231.139/32 1 Cloudflare, Inc. AS13335 US
8.29.231.139 1 Cloudflare, Inc. AS13335 US
8.29.231.138/32 1 Cloudflare, Inc. AS13335 GB
8.29.231.138/32 1 Cloudflare, Inc. AS13335 US
8.29.231.138 1 Cloudflare, Inc. AS13335 GB
8.29.231.137/32 1 Cloudflare, Inc. AS13335 US
8.29.231.140/32 1 Cloudflare, Inc. AS13335 US
8.29.231.140/32 1 Cloudflare, Inc. AS13335 PL
8.29.231.143/32 1 Cloudflare, Inc. AS13335 US
8.29.231.143/32 1 Cloudflare, Inc. AS13335 US
8.29.231.143 1 Cloudflare, Inc. AS13335 US
8.29.231.142/32 1 Cloudflare, Inc. AS13335 LU
8.29.231.142/32 1 Cloudflare, Inc. AS13335 US
8.29.231.142 1 Cloudflare, Inc. AS13335 LU
8.29.231.141/32 1 Cloudflare, Inc. AS13335 DE
8.29.231.141/32 1 Cloudflare, Inc. AS13335 US
8.29.231.141 1 Cloudflare, Inc. AS13335 DE
8.29.231.137/32 1 Cloudflare, Inc. AS13335 US
8.29.231.137 1 Cloudflare, Inc. AS13335 US
8.29.231.132/32 1 Cloudflare, Inc. AS13335 US
8.29.231.131/32 1 Cloudflare, Inc. AS13335 US
8.29.231.130/32 1 Cloudflare, Inc. AS13335 US
8.29.231.129/32 1 Cloudflare, Inc. AS13335 LU
8.29.231.129/32 1 Cloudflare, Inc. AS13335 US
8.29.231.129 1 Cloudflare, Inc. AS13335 LU
8.29.231.128/32 1 Cloudflare, Inc. AS13335 BE
8.29.231.128/32 1 Cloudflare, Inc. AS13335 US
8.29.231.133/32 1 Cloudflare, Inc. AS13335 US
8.29.231.134 1 Cloudflare, Inc. AS13335 US
8.29.231.136/32 1 Cloudflare, Inc. AS13335 CA
8.29.231.136/32 1 Cloudflare, Inc. AS13335 US
8.29.231.136 1 Cloudflare, Inc. AS13335 CA
8.29.231.135/32 1 Cloudflare, Inc. AS13335 GB
8.29.231.135/32 1 Cloudflare, Inc. AS13335 US
8.29.231.135 1 Cloudflare, Inc. AS13335 GB
8.29.231.134/32 1 Cloudflare, Inc. AS13335 US
8.29.231.134/32 1 Cloudflare, Inc. AS13335 US
8.29.231.128 1 Cloudflare, Inc. AS13335 BE

Geolocation

All 16 IP addresses in 8.29.231.128/28

Not announced as an exact prefix — covered by the announced supernet 8.29.231.0/24.

Announced prefix
Origin AS
Announcement samples
52,422
Last seen
2026-07-27 14:19:51

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 8.29.231.128/28?

8.29.231.128/28 is a CIDR network block containing 16 IPv4 addresses (from 8.29.231.128 to 8.29.231.143). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 8.29.231.128/28 network?

The 8.29.231.128/28 range is allocated to Cloudflare, Inc. and announced via AS13335 from United States.

How many IP addresses are in 8.29.231.128/28?

8.29.231.128/28 contains exactly 16 usable IPv4 addresses. A /28 prefix length means 16 addresses are covered by this single routing entry.

Last updated: 2026-07-27 14:25:31 UTC
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