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CIDR Range

191.217.254.0/23

Addresses
512
512
Sub-ranges
6+
within this block
PTR Density
27.1%
139 of 512 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.

55/100
Caution
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 191.217.254.0/23

First and last addresses in 191.217.254.0/23

191.217.254.0/23 runs from 191.217.254.0 to 191.217.255.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 191.217.192.0/18.

Announced prefix
Origin AS
⚠ 2 origins (MOAS)
Announcement samples
2,929
Last seen
2026-07-28 23:22:49

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-05-10 RIR Transfer lacnic arin
2026-05-10 Country Change BR US

Frequently Asked Questions

What is 191.217.254.0/23?

191.217.254.0/23 is a CIDR network block containing 512 IPv4 addresses (from 191.217.254.0 to 191.217.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 191.217.254.0/23 network?

The 191.217.254.0/23 range is allocated to LLC hostoff Csl and announced via AS207513 from United States.

Last updated: 2026-11-13 10:09:05 UTC
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