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CIDR Range

201.3.8.0/21

2.0K IPs /21 V tal AS8167 Brazil LACNIC
Addresses
2,048
2.0K
Sub-ranges
3+
within this block
PTR Density
84.2%
1.7K 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.

68/100
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 201.3.8.0/21

First and last addresses in 201.3.8.0/21

201.3.8.0/21 runs from 201.3.8.0 to 201.3.15.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 201.3.0.0/18.

Announced prefix
Origin AS
⚠ 2 origins (MOAS)
Announcement samples
34,803
Last seen
2026-10-18 02:44:13

Frequently Asked Questions

What is 201.3.8.0/21?

201.3.8.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 201.3.8.0 to 201.3.15.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 201.3.8.0/21 network?

The 201.3.8.0/21 range is allocated to V tal and announced via AS8167 from Brazil.

Last updated: 2026-11-02 18:39:06 UTC
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