81.193.0.0/20
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.
- Baseline (neutral) 65
- Long-established allocation (24y) +6
- Has a reverse-DNS (PTR) record +5
- Enterprise allocation +4
- Trust score 80 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 81.193.0.0/20
First and last addresses in 81.193.0.0/20
81.193.0.0/20 runs from 81.193.0.0 to 81.193.15.255.
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 81.193.0.0/16.
Frequently Asked Questions
What is 81.193.0.0/20?
81.193.0.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 81.193.0.0 to 81.193.15.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 81.193.0.0/20 network?
The 81.193.0.0/20 range is allocated to Servicos De Comunicacoes E Multimedia S.A. and announced via AS3243 from Portugal.
