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CIDR Range

4.153.192.0/18

Addresses
16,384
16.4K
Sub-ranges
0+
within this block
PTR Density
0.0%
4 of 16.4K 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.

70/100
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 4.153.192.0/18

4.153.192.0/18 runs from 4.153.192.0 to 4.153.255.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 4.144.0.0/12.

Announced prefix
Origin AS
Announcement samples
9,797
Last seen
2026-10-27 20:05:59

Frequently Asked Questions

What is 4.153.192.0/18?

4.153.192.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 4.153.192.0 to 4.153.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 4.153.192.0/18 network?

The 4.153.192.0/18 range is allocated to Microsoft Corporation and announced via AS8075 from United States.

Last updated: 2026-10-27 20:24:05 UTC
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