Skip to main content
WorldIP.io
CIDR Range

63.144.32.0/20

Addresses
4,096
4.1K
Sub-ranges
0+
within this block
PTR Density
44.8%
1.8K 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 →

Geolocation

First and last addresses in 63.144.32.0/20

63.144.32.0/20 runs from 63.144.32.0 to 63.144.47.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 63.144.0.0/12.

Announced prefix
Origin AS
Announcement samples
12,190
Last seen
2026-11-13 05:43:46

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

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

Frequently Asked Questions

What is 63.144.32.0/20?

63.144.32.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 63.144.32.0 to 63.144.47.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 63.144.32.0/20 network?

The 63.144.32.0/20 range is allocated to CenturyLink Communications, LLC and announced via AS209 from United States.

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