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CIDR Range

23.133.172.224/28

Addresses
16
16
Sub-ranges
0+
within this block
PTR Density
43.8%
7 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.

67/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 16 IP addresses in 23.133.172.224/28

Not announced as an exact prefix — covered by the announced supernet 23.133.172.0/24.

Announced prefix
Origin AS
Announcement samples
42,316
Last seen
2026-07-23 21:24:11

Frequently Asked Questions

What is 23.133.172.224/28?

23.133.172.224/28 is a CIDR network block containing 16 IPv4 addresses (from 23.133.172.224 to 23.133.172.239). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 23.133.172.224/28 network?

The 23.133.172.224/28 range is allocated to Hop179 OU and announced via AS11967 from United States.

How many IP addresses are in 23.133.172.224/28?

23.133.172.224/28 contains exactly 16 usable IPv4 addresses. A /28 prefix length means 16 addresses are covered by this single routing entry.

Last updated: 2026-07-23 21:25:31 UTC
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