AS51989 — GRADRI-AS Grad Rijeka-Gradsko Vijece

AS51989 announces 1 IPv4 prefixes covering 2,048 addresses and 0 IPv6 prefixes.

About this network

GRADRI-AS is held by Grad Rijeka-Gradsko Vijece, the municipal government of Rijeka, Croatia.

What it's used for

• The address space is registered under the netname HR-RI-20100920 and is associated with the city's administrative functions.
• The AS announces 2048 IPv4 addresses within a single prefix (46.31.136.0/21) and maintains 2 observed neighbours, indicating a small-scale internal network rather than a transit or large access provider.
• Traffic from this AS consists of municipal office workers, city services, and administrative endpoints for the City of Rijeka.

Notable

• The RDAP registrant Grad Rijeka-Gradsko Vijece matches the AS holder, confirming direct ownership of the address space.
• The inventory consists of a single contiguous /21 block, typical for a municipal entity managing its own IT infrastructure without subdividing into multiple public prefixes.

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

Announced prefixes

• 46.31.136.0/21

Upstream networks

• AS34594 Telemach Hrvatska d.o.o.
• AS2108 Croatian Academic and Research Network

Adjacent networks

• AS34594 Telemach Hrvatska d.o.o.
• AS2108 Croatian Academic and Research Network

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 11 route objects.
• Listed in as-sets: AS-CARNET, AS-DCM-ASSET, AS-HRHINET, AS-HURRICANE, AS-ISKON-ND, AS-MF, AS-OPTIMA, AS-VIP.