AS51853 — SORGENIA-AS-NUMBER

AS51853 announces 1 IPv4 prefixes covering 256 addresses and 0 IPv6 prefixes.

About this network

The AS handle SORGENIA-AS-NUMBER is held by Sorgenia Spa.

What it's used for

• The address space carries corporate infrastructure, evidenced by the netname SORGENIA-NET and registrant Sorgenia Spa; Sorgenia Tech Staff.
• The AS announces 256 IPv4 addresses across 1 prefix with 2 observed neighbours, indicating a small, self-contained corporate network rather than a transit or access provider.
• Traffic from this AS consists of internal corporate systems, office workers, and energy management services for the Italian energy utility.

Notable

• The registrant Sorgenia Spa matches the AS holder, confirming direct ownership of the address space.
• Sorgenia was formerly known as Energia SpA, which rebranded to Sorgenia.
• The inventory consists of a single /24 block (91.220.4.0/24) with no announced IPv6 prefixes.

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

Announced prefixes

• 91.220.4.0/24

Upstream networks

• AS28716 Retelit Digital Services S.p.A.
• AS3302 Retelit Digital Services S.p.A.

Adjacent networks

• AS28716 Retelit Digital Services S.p.A.
• AS3302 Retelit Digital Services S.p.A.

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 1 route objects.
• Listed in as-sets: AS-FASTWEB, AS-IRIDEOS-CUST, AS-RETELIT, AS-RETN-ACTUAL-V4, AS3302:AS-CUST.