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CIDR Range

24.87.80.0/21

Addresses
2,048
2.0K
Sub-ranges
0+
within this block
PTR Density
49.6%
1.0K of 2.0K 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 24.87.80.0/21

24.87.80.0/21 runs from 24.87.80.0 to 24.87.87.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 24.84.0.0/14.

Announced prefix
Origin AS
Announcement samples
12,306
Last seen
2026-11-03 07:54:08

Frequently Asked Questions

What is 24.87.80.0/21?

24.87.80.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 24.87.80.0 to 24.87.87.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 24.87.80.0/21 network?

The 24.87.80.0/21 range is allocated to Shaw Communications and announced via AS6327 from Canada.

Last updated: 2026-11-03 08:24:05 UTC
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