AS199584 — ASUMB Miasto Bialystok

AS199584 announces 2 IPv4 prefixes covering 1,280 addresses and 0 IPv6 prefixes.

About this network

ASUMB is held by Miasto Bialystok, the municipal government of Białystok.

What it's used for

• The address space carries municipal infrastructure, evidenced by the netname PL-BIALYSTOK-20180717 for the primary block and ASUMB for the secondary block.
• The AS announces 1280 IPv4 addresses across 2 prefixes with only 2 observed neighbours, indicating a small, self-contained network rather than a transit or large-scale access provider.
• Traffic from this AS consists of internal municipal services and administrative endpoints for the city of Białystok.

Notable

• Registrants differ between the two prefixes: Miasto Bialystok holds 193.84.124.0/22, while Politechnika Bialostocka holds 185.61.7.0/24, suggesting a shared or historically linked allocation between the city and the local university.
• The inventory is small and fragmented, consisting of one /22 and one /24 block, typical of a specific organizational estate rather than a commercial ISP.

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

Announced prefixes

• 185.61.7.0/24
• 193.84.124.0/22

Upstream networks

• AS197790 Actus P.S.A
• AS8865 Politechnika Bialostocka

Adjacent networks

• AS197790 Actus P.S.A
• AS8865 Politechnika Bialostocka

Routing security

• RPKI: 1 valid, 0 invalid and 4 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 7 route objects.
• Listed in as-sets: AS-ACTUS, AS-PLNET, AS29414:AS-BIALYSTOK-COM-AMSIX, AS29414:AS-BIALYSTOK-COM-PCWS, AS29414:AS-BIALYSTOK-COM-PIONIER-TP, AS5617:AS-PL, AS8865:AS-BIALYSTOK, AS8865:AS-BIALYSTOK-1011, AS8865:AS-BIALYSTOK-1014, AS8865:AS-PEERS.