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CIDR Range

65.144.43.52/31

Addresses
2
2
Sub-ranges
0+
within this block
PTR Density
50.0%
1 of 2 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.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 2 IP addresses in 65.144.43.52/31

Not announced as an exact prefix — covered by the announced supernet 65.128.0.0/11.

Announced prefix
Origin AS
Announcement samples
3,974
Last seen
2026-07-23 10:30:00

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files.

Date Event From To
2026-05-10 New Allocation US

Frequently Asked Questions

What is 65.144.43.52/31?

65.144.43.52/31 is a CIDR network block containing 2 IPv4 addresses (from 65.144.43.52 to 65.144.43.53). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 65.144.43.52/31 network?

The 65.144.43.52/31 range is allocated to CenturyLink Communications, LLC and announced via AS209 from United States.

How many IP addresses are in 65.144.43.52/31?

65.144.43.52/31 contains exactly 2 usable IPv4 addresses. A /31 prefix length means 2 addresses are covered by this single routing entry.

Last updated: 2026-07-23 11:10:34 UTC
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