AS15553 — CERVED-AS

AS15553 announces 3 IPv4 prefixes covering 3,328 addresses and 0 IPv6 prefixes.

About this network

The netname names one company and the registrant names another, with the holder absent from both.

What it's used for

• A business information company's network. Three IPv4 prefixes announced from Italy, no IPv6, three thousand addresses, through one observed BGP neighbour.

Notable

• Two of the three blocks carry a netname built from the holder's brand and the country code, but their only registrant is a hostmaster team belonging to a differently named company.
• Neither of those two blocks lists the holder itself, or an abuse role, so there is no route from the address to the company that announces it.
• The third block's registry lookup failed, so its netname and registrant are unknown rather than absent.
• The three blocks come from one range, a /21, a /22 and a /24, with a gap of two /24 blocks between the second and the third.
• Nine addresses were queried for reverse DNS and none returned a name.

Interesting

• A netname and a registrant naming two different companies is the record of outsourced network management. One firm owns the business, another owns the paperwork, and the registry shows only the second.
• No abuse role anywhere is the practical gap. A complaint about one of these addresses has nowhere obvious to go.
• One upstream and nothing published in reverse, on a network holding commercial data, is a footprint kept as small as it can be while still being routed.

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

Announced prefixes

• 193.227.64.0/21
• 193.227.72.0/22
• 193.227.78.0/24

Upstream networks

• AS12874 Fastweb SpA

Adjacent networks

• AS12874 Fastweb SpA

Routing security

• RPKI: 0 valid, 0 invalid and 4 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 8 route objects.
• Listed in as-sets: AS-FASTWEB, AS-HURRICANE, AS-IBSCUST, AS-IRIDEOS-CUST, AS-TISCALICUSTOMERS, AS198949:AS-SD, AS3302:AS-CUST.