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CIDR Range

158.4.0.0/14

Addresses
262,144
262.1K
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 262.1K 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.

69/100
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 158.4.0.0/14

158.4.0.0/14 runs from 158.4.0.0 to 158.7.255.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 158.0.0.0/13.

Announced prefix
Origin AS
Announcement samples
22,215
Last seen
2026-11-13 08:17:45

Frequently Asked Questions

What is 158.4.0.0/14?

158.4.0.0/14 is a CIDR network block containing 262,144 IPv4 addresses (from 158.4.0.0 to 158.7.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 158.4.0.0/14 network?

The 158.4.0.0/14 range is allocated to Headquarters, USAISC and announced via AS1540 from United States.

Last updated: 2026-11-13 08:54:05 UTC
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