FASTWEB SPA
Fastweb SpA
LEI
549300YFSXCV1SKICL21
Registered name
FASTWEB SPA
Jurisdiction
Ultimate parent
5493005SL9HHOXS3B739
Cluster stats
Netblocks9,803
All fragments 76,625 blocks across 29,256 clusters
Cluster ID191343274
RegistryAPNIC
Owner jurisdictionIT
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Legal identityLEI 549300YFSXCV1SKICL21
Shared handles clustered on 38 shared RIR contact/maintainer handles
Registry names 1134 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
9,803 0 netblocks since 2026-07-05
2026-07-05 peak 9,803 2026-07-06

IP Ranges (9,803)

showing 50 of 9,803 — 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

Corporate group (43,249 entities) ~

top 1 shown — full list (JSON)

Network trust

what's this?
RPKI hygiene: A how networks compare →
96.2% of checked blocks have valid RPKI ROA coverage (1,923 of 2,000, sampled from 9,803)
Possible discrepancies (50)

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
195.233.128.0/22 /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
85.205.192.0/23 /23 authorized for AS1273 — Vodafone Group PLC
85.205.194.0/23 /23 authorized for AS1273 — Vodafone Group PLC
85.205.196.0/23 /23 authorized for AS1273 — Vodafone Group PLC
85.205.198.0/23 /23 authorized for AS1273 — Vodafone Group PLC
85.205.206.0/23 /23 authorized for AS1273 — Vodafone Group PLC
85.205.228.0/23 /23 authorized for AS1273 — Vodafone Group PLC
46.108.208.0/24 /24 authorized for AS1273 — Vodafone Group PLC
46.108.213.0/24 /24 authorized for AS1273 — Vodafone Group PLC
+35 more — see the REST API

NIC Handles

AKAM1-RIPE-MNT ARCOR-MNT AS12663 AS12874 AS12874 AS274743 AS274743 AS30722 AS44957 AS702-MNT AS8612-MNT DUMY-RIPE +26 more