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CIDR Range

51.38.192.0/23

Addresses
512
512
Sub-ranges
0+
within this block
PTR Density
62.7%
321 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.

76/100
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 51.38.192.0/23

51.38.192.0/23 runs from 51.38.192.0 to 51.38.193.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 51.38.0.0/16.

Announced prefix
Origin AS
Announcement samples
256,116
Last seen
2026-11-13 05:25:57

Frequently Asked Questions

What is 51.38.192.0/23?

51.38.192.0/23 is a CIDR network block containing 512 IPv4 addresses (from 51.38.192.0 to 51.38.193.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 51.38.192.0/23 network?

The 51.38.192.0/23 range is allocated to OVH SAS and announced via AS16276 from France.

Last updated: 2026-11-13 06:09:05 UTC
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