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CIDR Range

77.216.24.0/21

Addresses
2,048
2.0K
Sub-ranges
18+
within this block
PTR Density
0.0%
0 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.

71/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 77.216.24.0/21

Geolocation

First and last addresses in 77.216.24.0/21

77.216.24.0/21 runs from 77.216.24.0 to 77.216.31.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 77.216.0.0/14.

Announced prefix
Origin AS
Announcement samples
4,121
Last seen
2026-07-13 06:46:15

Frequently Asked Questions

What is 77.216.24.0/21?

77.216.24.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 77.216.24.0 to 77.216.31.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 77.216.24.0/21 network?

The 77.216.24.0/21 range is allocated to PC Cloud and announced via AS141750 from Hong Kong.

Last updated: 2026-10-28 09:09:05 UTC
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