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CIDR Range

81.201.222.16/28

Addresses
16
16
Sub-ranges
0+
within this block
PTR Density
37.5%
6 of 16 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.

76/100
Moderate
How this score is built

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

Geolocation

All 16 IP addresses in 81.201.222.16/28

Not announced as an exact prefix — covered by the announced supernet 81.201.208.0/20.

Announced prefix
Origin AS
Announcement samples
34,885
Last seen
2026-11-13 19:27:30

Frequently Asked Questions

What is 81.201.222.16/28?

81.201.222.16/28 is a CIDR network block containing 16 IPv4 addresses (from 81.201.222.16 to 81.201.222.31). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 81.201.222.16/28 network?

The 81.201.222.16/28 range is allocated to Iver Norge As and announced via AS57829 from Sweden.

How many IP addresses are in 81.201.222.16/28?

81.201.222.16/28 contains exactly 16 usable IPv4 addresses. A /28 prefix length means 16 addresses are covered by this single routing entry.

Last updated: 2026-11-13 19:39:05 UTC
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