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CIDR Range

191.217.16.0/21

2.0K IPs /21 V tal AS8167 Brazil LACNIC
Addresses
2,048
2.0K
Sub-ranges
20+
within this block
PTR Density
74.2%
1.5K 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.

65/100
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 191.217.16.0/21

First and last addresses in 191.217.16.0/21

191.217.16.0/21 runs from 191.217.16.0 to 191.217.23.255.

First 16
Last 16

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
⚠ 2 origins (MOAS)
Announcement samples
17,053
Last seen
2026-11-02 21:16:16

Frequently Asked Questions

What is 191.217.16.0/21?

191.217.16.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 191.217.16.0 to 191.217.23.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 191.217.16.0/21 network?

The 191.217.16.0/21 range is allocated to V tal and announced via AS8167 from Brazil.

Last updated: 2026-11-02 22:09:06 UTC
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