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CIDR Range

51.39.176.0/20

Addresses
4,096
4.1K
Sub-ranges
3+
within this block
PTR Density
0.2%
7 of 4.1K 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.

78/100
Moderate
How this score is built

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

Ranges inside 51.39.176.0/20

First and last addresses in 51.39.176.0/20

51.39.176.0/20 runs from 51.39.176.0 to 51.39.191.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 51.39.128.0/18.

Announced prefix
Origin AS
Announcement samples
18,150
Last seen
2026-11-14 10:35:34

Frequently Asked Questions

What is 51.39.176.0/20?

51.39.176.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 51.39.176.0 to 51.39.191.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 51.39.176.0/20 network?

The 51.39.176.0/20 range is allocated to Mobile Telecommunication Company Saudi Arabia Joint-Stock company and announced via AS43766 from Saudi Arabia.

Last updated: 2026-11-14 11:54:05 UTC
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