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CIDR Range

75.144.224.0/20

Addresses
4,096
4.1K
Sub-ranges
3+
within this block
PTR Density
98.1%
4.0K 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.

81/100
Trusted
How this score is built

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

Ranges inside 75.144.224.0/20

First and last addresses in 75.144.224.0/20

75.144.224.0/20 runs from 75.144.224.0 to 75.144.239.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 75.144.0.0/13.

Announced prefix
Origin AS
Announcement samples
43,343
Last seen
2026-11-13 09:35:39

Frequently Asked Questions

What is 75.144.224.0/20?

75.144.224.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 75.144.224.0 to 75.144.239.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 75.144.224.0/20 network?

The 75.144.224.0/20 range is allocated to Comcast Cable Communications, LLC and announced via AS7922 from United States.

Last updated: 2026-11-13 09:54:05 UTC
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