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CIDR Range

206.251.54.0/23

Addresses
512
512
Sub-ranges
0+
within this block
PTR Density
0.0%
0 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.

62/100
Moderate
How this score is built

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

Geolocation

First and last addresses in 206.251.54.0/23

206.251.54.0/23 runs from 206.251.54.0 to 206.251.55.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 206.251.52.0/22.

Announced prefix
Origin AS
Announcement samples
42,185
Last seen
2026-11-13 09:19:17

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 Country Change JP US

Frequently Asked Questions

What is 206.251.54.0/23?

206.251.54.0/23 is a CIDR network block containing 512 IPv4 addresses (from 206.251.54.0 to 206.251.55.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 206.251.54.0/23 network?

The 206.251.54.0/23 range is allocated to Sakura Link Limited and announced via AS49304 from Japan.

Last updated: 2026-11-13 09:24:05 UTC
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