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: DE-CIX Barcelona
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 185.187.68.0/24 | 256 |
1.2%
|
Altercom-21 Sl | ES | — | — |
| 185.187.71.0/24 | 256 |
0.0%
|
Altercom-21 Sl | ES | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS206404 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 |
|---|---|---|
| 185.187.71.0/24 | 9,632 | 2026-07-31 10:21:52 |
| 185.187.68.0/24 | 9,572 | 2026-07-31 10:21:52 |
Frequently Asked Questions
What is AS206404?
AS206404 is an Autonomous System Number assigned to Altercom-21 Sl. 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 AS206404 announce?
AS206404 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Spain.
Who operates AS206404?
AS206404 is operated by Altercom-21 Sl. The organization is based in Spain. You can view all IP ranges and related ASNs on the organization page.
What country is AS206404 registered in?
AS206404 is registered in Spain. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
