Autonomous system
AS25309 TOP-IX_RS AS for TOP-IX Route Servers
Residential RIPE
IPv4 addresses
256
1 prefixes
IPv6 prefixes
0
counted as prefixes, not addresses
Countries
1
mostly IT
Flagged prefixes
0
none
Summary
Fastweb
isp residential eyeball fiber
Fastweb (AS25309) — one of Italy's largest broadband operators, known for
building an early fibre-to-the-home network in Italian cities.
What it's used for
- Fibre and DSL home internet for Italian households.
Notable
- A large "eyeball" network: addresses here are Italian home connections, not servers.
- Fastweb is a fixed + mobile operator; this ASN carries consumer broadband subscribers.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Address space
Summary
| Country | Name | Prefixes |
|---|---|---|
| IT | Italy | 1 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS25309- Registry name
- TOP-IX_RS
- Registrant
- CONSORZIO TOPIX - TORINO E PIEMONTE EXCHANGE POINT
- Abuse contact
- networking@top-ix.org
- Registered
- 2002-09-26
- Last changed
- 2026-07-01
- Status
- active
Reputation
Classification and threat
Residential Fixed-line consumer ISP. Addresses here are homes.
No IC3 indicators Nothing from the FBI IC3 feed.
Threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere