AS21451 — SELLA-AS Banca Sella Holding S.p.A.

AS21451 announces 5 IPv4 prefixes covering 6,656 addresses and 0 IPv6 prefixes.

About this network

SELLA-AS is operated by Banca Sella Holding S.p.A.

What it's used for

• The address space carries internal corporate infrastructure for the banking group, evidenced by netnames SellaASNet and IT-BANCASELLA-20011207.
• The AS announces 6656 IPv4 addresses across 5 prefixes with only 3 observed neighbours, indicating a small, self-contained internal network rather than a transit or access provider.

Notable

• Registrants for the largest prefixes are Banca Sella Holding S.p.A. and Abuse-C Role, which align directly with the AS holder.
• The inventory consists of five contiguous IPv4 blocks within the 213.218.0.0/16 range, reflecting a finely subdivided corporate estate.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 213.218.32.0/22
• 213.218.38.0/23
• 213.218.40.0/21
• 213.218.52.0/22
• 213.218.56.0/21

Upstream networks

• AS32787 Akamai Technologies, Inc.
• AS12874 Fastweb SpA
• AS30722 Fastweb SpA

Adjacent networks

• AS32787 Akamai Technologies, Inc.
• AS12874 Fastweb SpA
• AS30722 Fastweb SpA

Routing security

• RPKI: 0 valid, 0 invalid and 24 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 45 route objects.
• Listed in as-sets: AS-FASTWEB, AS-HURRICANE, AS-IBSCUST, AS-INFOSTRADA, AS-KDDCUSTOMER2, AS-PROLE, AS-TELSTRA-INTL-CUSTOMERS, AS-VF-IT, AS-WINDTRE.