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CIDR Range

58.187.0.0/16

Addresses
65,536
65.5K
Sub-ranges
15+
within this block
PTR Density
1.2%
773 of 65.5K 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 →

Ranges inside 58.187.0.0/16

First and last addresses in 58.187.0.0/16

58.187.0.0/16 runs from 58.187.0.0 to 58.187.255.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 58.186.0.0/15.

Announced prefix
Origin AS
Announcement samples
46,254
Last seen
2026-10-27 12:24:26

Frequently Asked Questions

What is 58.187.0.0/16?

58.187.0.0/16 is a CIDR network block containing 65,536 IPv4 addresses (from 58.187.0.0 to 58.187.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 58.187.0.0/16 network?

The 58.187.0.0/16 range is allocated to FPT Telecom Company and announced via AS18403 from Vietnam.

Last updated: 2026-10-27 12:54:05 UTC
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