Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS12874

Announcement observedRIPE NCC

Fastweb SpA · FASTWEB

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/17/2026, 23:52:43Snapshot expired

View network topology RDAP registration

ASN: AS12874
Registration country: Italy
Name: Fastweb SpA
Abbreviation: FASTWEB
Registration date: 9/13/2002, 16:27:20
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
151.0.128.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
158.255.240.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
170.248.136.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
176.122.196.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
176.122.198.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.139.48.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.139.49.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.146.134.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.162.179.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.169.184.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.169.185.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.169.186.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.169.187.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.190.214.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.190.215.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.219.180.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.219.232.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.219.234.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.22.84.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.22.85.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.223.153.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.27.72.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.27.73.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.36.72.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.43.19.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.69.188.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
185.7.112.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
193.169.20.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
193.193.0.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
193.27.28.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
193.3.50.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
193.35.4.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
193.42.234.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
193.42.238.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
193.43.16.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
193.43.17.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
194.5.146.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
194.59.208.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
194.63.146.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
194.99.35.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
2.16.17.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
2.19.179.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
2.224.0.0/13BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
2.232.0.0/13BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
213.140.0.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
213.140.16.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
213.156.32.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
213.156.48.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
23.61.204.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid
31.131.240.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/16/2026, 08:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Fastweb SpA
RIR: RIPE NCC
Registration country: Italy
Registration date: 9/13/2002, 16:27:20
Abuse contact: abuse@fastweb.it

Snapshot trend

10/17/2026, 23:52:43110 v418 v659 Upstream · 63 Uncertain

10/16/2026, 15:54:00110 v418 v654 Upstream · 60 Uncertain

10/13/2026, 21:29:27110 v418 v650 Upstream · 53 Uncertain

10/10/2026, 04:39:14110 v418 v656 Upstream · 62 Uncertain

10/8/2026, 04:42:30110 v418 v655 Upstream · 62 Uncertain

10/4/2026, 08:42:04110 v418 v656 Upstream · 62 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: iana-rdap-asn-bootstrap · rir-rdap-asn