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CIDR Range

75.204.0.0/18

Addresses
16,384
16.4K
Sub-ranges
4+
within this block
PTR Density
99.9%
16.4K 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.

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 75.204.0.0/18

First and last addresses in 75.204.0.0/18

75.204.0.0/18 runs from 75.204.0.0 to 75.204.63.255.

First 16
Last 16

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
14,406
Last seen
2026-11-13 05:43:45

Frequently Asked Questions

What is 75.204.0.0/18?

75.204.0.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 75.204.0.0 to 75.204.63.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 75.204.0.0/18 network?

The 75.204.0.0/18 range is allocated to Verizon Business and announced via AS6167 from United States.

Last updated: 2026-11-13 06:54:05 UTC
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