Skip to main content
CIDR Range

81.193.83.221/32

Addresses
1
1
Sub-ranges
0+
within this block

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 1 IP addresses in 81.193.83.221/32

Not announced as an exact prefix — covered by the announced supernet 81.193.0.0/16.

Announced prefix
Origin AS
Announcement samples
7,173
Last seen
2026-09-10 13:55:18

Frequently Asked Questions

What is 81.193.83.221/32?

81.193.83.221/32 is a CIDR network block containing 1 IPv4 addresses (from 81.193.83.221 to 81.193.83.221). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 81.193.83.221/32 network?

The 81.193.83.221/32 range is allocated to Servicos De Comunicacoes E Multimedia S.A. and announced via AS3243 from Portugal.

How many IP addresses are in 81.193.83.221/32?

81.193.83.221/32 contains exactly 1 usable IPv4 addresses. A /32 prefix length means 1 addresses are covered by this single routing entry.

Last updated: 2026-09-10 14:26:06 UTC
Share