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
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 1 internet exchange: MIX-IT
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 154.60.196.0/24 | 256 |
0.0%
|
F-network Srl | US | — | — |
| 154.63.163.0/24 | 256 |
0.0%
|
F-network Srl | US | — | — |
| 185.233.65.0/24 | 256 |
0.0%
|
F-network Srl | IT | Emilia-Romagna | Correggio |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS211991 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 154.60.196.0/24 | 14,323 | 2026-07-27 20:26:16 |
| 154.63.163.0/24 | 13,873 | 2026-07-27 20:26:16 |
| 185.233.65.0/24 | 13,532 | 2026-07-27 20:26:16 |
Frequently Asked Questions
What is AS211991?
AS211991 is an Autonomous System Number assigned to F-network Srl. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS211991 announce?
AS211991 announces 768 IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Italy.
Who operates AS211991?
AS211991 is operated by F-network Srl. The organization is based in Italy. You can view all IP ranges and related ASNs on the organization page.
What country is AS211991 registered in?
AS211991 is registered in Italy. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
