Skip to main content
Autonomous System

AS204389

ReteStar s.r.l.

Announced IPs
1,280
CIDR prefixes
2
ASN
AS204389

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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 1-5Gbps
Geographic scope Europe
Traffic ratio Balanced
Peering policy Open

Present at 1 internet exchange: MIX-IT

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
185.250.140.0/22 1.0K
0.0%
ReteStar s.r.l. IT Sicily Mazara del Vallo
178.218.192.0/24 256
0.0%
ReteStar s.r.l. IT Sicily Mazara del Vallo

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS204389 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.250.142.0/23 17,816 2026-07-31 03:37:53
185.250.140.0/24 8,036 2026-07-31 03:37:53
185.250.141.0/24 8,015 2026-07-31 03:37:53
178.218.192.0/24 8,011 2026-07-31 03:37:53
185.250.140.0/22 7,919 2026-07-31 03:37:53

Frequently Asked Questions

What is AS204389?

AS204389 is an Autonomous System Number assigned to ReteStar s.r.l.. 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 AS204389 announce?

AS204389 announces 1.3K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Italy.

Who operates AS204389?

AS204389 is operated by ReteStar s.r.l.. The organization is based in Italy. You can view all IP ranges and related ASNs on the organization page.

What country is AS204389 registered in?

AS204389 is registered in Italy. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-31 04:55:31 UTC
Share