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CIDR Range

209.180.204.0/23

Addresses
512
512
Sub-ranges
0+
within this block
PTR Density
9.8%
50 of 512 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 →

Geolocation

First and last addresses in 209.180.204.0/23

209.180.204.0/23 runs from 209.180.204.0 to 209.180.205.255.

First 16
Last 16

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

Announced prefix
Origin AS
Announcement samples
12,227
Last seen
2026-11-03 18:07:34

Frequently Asked Questions

What is 209.180.204.0/23?

209.180.204.0/23 is a CIDR network block containing 512 IPv4 addresses (from 209.180.204.0 to 209.180.205.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 209.180.204.0/23 network?

The 209.180.204.0/23 range is allocated to CenturyLink Communications, LLC and announced via AS209 from United States.

Last updated: 2026-11-03 18:54:05 UTC
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