FASTWEB SPA

Fastweb SpA
GLEIF verified
Complete entity footprint
5 linked clusters · 10,787 netblocks · 41,776,106 IPv4 addresses
This organisation's clusters combined by evidence — shared GLEIF corporate family and shared operating domain vodafonedsl.it — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
LEI
549300YFSXCV1SKICL21
Registered name
FASTWEB SPA
Jurisdiction
IT
Ultimate parent
Swisscom AG
5493005SL9HHOXS3B739
Cluster stats
Netblocks9,639 · 25,785,929 IPv4 addresses
Registered in Italy (2,816) · Germany (171) · Netherlands (5) · France (3) · United States (2) · United Kingdom (1)
All fragments 9,640 blocks across 2 clusters
Cluster ID213208302
RegistryBGP
Owner jurisdictionIT
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 549300YFSXCV1SKICL21
Shared handles clustered on 33 shared RIR contact/maintainer handles
Registry names 1062 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

6 weekly snapshots · JSON
9,639 -164 netblocks since 2026-07-05
2026-07-05 peak 9,843 2026-07-26

IP Ranges (9,639)

showing 50 of 9,639 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)
CIDR Org name Registry Status Confidence
2.16.17.0/24 Fastweb SpA BGP ANNOUNCED ● high
2.19.179.0/24 Fastweb SpA BGP ANNOUNCED ● high
2.32.0.0/16 Fastweb SpA BGP ANNOUNCED ● high
2.32.0.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.32.16.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.32.48.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.32.64.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.32.80.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.32.192.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.32.224.0/19 Fastweb SpA BGP ANNOUNCED ● high
2.33.0.0/17 Fastweb SpA BGP ANNOUNCED ● high
2.33.128.0/17 Fastweb SpA BGP ANNOUNCED ● high
2.33.176.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.34.0.0/15 Fastweb SpA BGP ANNOUNCED ● high
2.35.128.0/18 Fastweb SpA BGP ANNOUNCED ● high
2.35.224.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.35.240.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.36.0.0/14 Fastweb SpA BGP ANNOUNCED ● high
2.38.0.0/17 Fastweb SpA BGP ANNOUNCED ● high
2.38.128.0/17 Fastweb SpA BGP ANNOUNCED ● high
2.39.64.0/18 Fastweb SpA BGP ANNOUNCED ● high
2.39.128.0/17 Fastweb SpA BGP ANNOUNCED ● high
2.40.0.0/16 Fastweb SpA BGP ANNOUNCED ● high
2.40.64.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.40.80.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.40.128.0/18 Fastweb SpA BGP ANNOUNCED ● high
2.40.192.0/18 Fastweb SpA BGP ANNOUNCED ● high
2.41.0.0/16 Fastweb SpA BGP ANNOUNCED ● high
2.42.0.0/16 Fastweb SpA BGP ANNOUNCED ● high
2.42.32.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.42.48.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.42.160.0/19 Fastweb SpA BGP ANNOUNCED ● high
2.42.192.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.43.0.0/16 Fastweb SpA BGP ANNOUNCED ● high
2.44.0.0/16 Fastweb SpA BGP ANNOUNCED ● high
2.44.128.0/18 Fastweb SpA BGP ANNOUNCED ● high
2.44.224.0/19 Fastweb SpA BGP ANNOUNCED ● high
2.45.0.0/16 Fastweb SpA BGP ANNOUNCED ● high
2.45.32.0/19 Fastweb SpA BGP ANNOUNCED ● high
2.45.64.0/18 Fastweb SpA BGP ANNOUNCED ● high
2.45.176.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.45.192.0/19 Fastweb SpA BGP ANNOUNCED ● high
2.45.224.0/19 Fastweb SpA BGP ANNOUNCED ● high
2.46.0.0/15 Fastweb SpA BGP ANNOUNCED ● high
2.47.64.0/19 Fastweb SpA BGP ANNOUNCED ● high
2.47.96.0/19 Fastweb SpA BGP ANNOUNCED ● high
2.47.160.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.47.176.0/20 Fastweb SpA BGP ANNOUNCED ● high
2.47.192.0/19 Fastweb SpA BGP ANNOUNCED ● high
2.47.224.0/20 Fastweb SpA BGP ANNOUNCED ● high

Domains hosted in this network

what's this?
ntp.org.cn vodafone.it papermobi.com fastweb.it nflxso.net 3gppnetwork.org bpergroup.net bper.it lavoro.gov.it restartad.com namirialtsp.com popso.it fbcdn.net gruppocarige.it salute.gov.it

Customer-delegated space

how is this classified?
Operator infrastructure (named) 3,660 (38.0%)
Customer access pools 3,459 (35.9%)
Unclassified 2,520 (26.1%)

Corporate group (2 confirmed entities)

+43,409 additional unconfirmed candidates not shown — full list (JSON)

Network trust

what's this?
RPKI hygiene: A how networks compare →
95.8% of checked blocks have valid RPKI ROA coverage (1,916 of 2,000, sampled from 9,639)
Possible discrepancies (58)

These blocks are registered to Fastweb SpA but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

46.108.0.0/16 /16 authorized for AS1273 — Vodafone Group PLC
46.190.128.0/17 /17 authorized for AS1273 — Vodafone Group PLC
108.179.64.0/18 /18 authorized for AS1273 — Vodafone Group PLC
85.205.208.0/20 /20 authorized for AS1273 — Vodafone Group PLC
85.205.36.0/22 /22 authorized for AS1273 — Vodafone Group PLC
85.205.92.0/22 /22 authorized for AS1273 — Vodafone Group PLC
85.205.224.0/22 /22 authorized for AS1273 — Vodafone Group PLC
139.47.192.0/22 /22 authorized for AS1273 — Vodafone Group PLC
139.47.208.0/22 /22 authorized for AS1273 — Vodafone Group PLC
139.47.216.0/22 /22 authorized for AS1273 — Vodafone Group PLC
47.73.58.0/23 /23 authorized for AS1273 — Vodafone Group PLC
85.205.32.0/23 /23 authorized for AS1273 — Vodafone Group PLC
85.205.36.0/23 /23 authorized for AS1273 — Vodafone Group PLC
85.205.38.0/23 /23 authorized for AS1273 — Vodafone Group PLC
85.205.150.0/23 /23 authorized for AS1273 — Vodafone Group PLC
+43 more — see the REST API

NIC Handles

AKAM1-RIPE-MNT ARCOR-MNT AS12663 AS12874 AS12874 AS201917 AS30722 AS44957 AS8612-MNT DUMY-RIPE DUMY-RIPE EQUINIX-FULFIL-MNT +21 more