asn.dev

Autonomous system

AS48135 ITMSC

Unclassified RIPE

IPv4 addresses 37.89K 14 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly IT
Exchanges 0 recorded by PCH
Upstreams 3 0 downstream
Flagged prefixes 0 none

Summary

Leonardo S.p.A.

Italy · AI-generated

business defence aerospace corporate

The AS handle ITMSC is held by Leonardo S.p.A.

What it's used for

  • The address space carries corporate infrastructure for an Italian aerospace, defence, and security multinational, with netnames LEONARDO and IT-MSC registered to Leonardo S.p.A.
  • The inventory consists of 14 IPv4 prefixes covering 37,888 addresses, with 3 observed routing neighbours, indicating a small, internally segmented corporate estate rather than a transit or access network.
  • Traffic from this AS represents internal corporate communications, office workers, and secure endpoints for Leonardo's 180 sites, not consumer or public internet services.

Notable

  • All registrants in the RDAP data agree with the announcer, consistently listing Leonardo S.p.A. as the holder for prefixes including 151.89.128.0/18 and 94.127.84.0/22.
  • The operator was formerly known as Leonardo-Finmeccanica and originally Finmeccanica before being renamed Leonardo S.p.A.
  • The address inventory is finely subdivided into 14 prefixes, reflecting site-by-site segmentation typical of a large internal corporate network.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

3 upstream, 0 downstream and 3 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS12874Fastweb SpA808
AS3302Retelit Digital Services S.p.A.118
AS3269Telecom Italia S.p.A.32

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-11, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 14 prefixes · 37.89K addresses IPv6 0 prefixes

CountryNamePrefixes
ITItaly14

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS48135
Registry name
ITMSC
Registrant
ITMSC-MNT
Abuse contact
ict_wan@leonardo.com
Registered
2008-10-16
Last changed
2026-02-18
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 16 valid, 0 with no ROA
ROAs
22 authorising AS48135
ASPA
no ASPA record
IRR
94% registered · 15 of 16 announcements
Route objects
20 naming AS48135

Reputation

Classification and threat

Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.

Spamhaus DROP

Not on ASN-DROP The network as a whole is not listed.

No DROP prefixes None of its announced space is on the DROP prefix list.

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 432 networks and 1,768 prefixes, as published 2026-10-12. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.

FBI IC3

No IC3 indicators Nothing from the FBI IC3 feed.

IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check