AS21328 — NBP-AS

AS21328 announces 2 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

The AS handle NBP-AS is held by National Bank of Poland.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by the netname NBPNET and registrant DIT-WSS; National Bank of Poland; Abuse NBP.
• The AS announces 512 IPv4 addresses across 2 prefixes with 2 observed neighbours, indicating a small, self-contained internal estate rather than a transit or access network.

Notable

• Registrants for both announced prefixes align with the announcer, listing DIT-WSS; National Bank of Poland; Abuse NBP.
• The address inventory consists of two /24 blocks, 193.109.212.0/24 and 195.85.196.0/24, both located in Poland.

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

Announced prefixes

• 193.109.212.0/24
• 195.85.196.0/24

Upstream networks

• AS12912 T-Mobile Polska S.A.
• AS12741 Netia SA

Adjacent networks

• AS12912 T-Mobile Polska S.A.
• AS12741 Netia SA

Routing security

• RPKI: 0 valid, 0 invalid and 2 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-EXATEL-PL, AS-IPARTNERS, AS-NETIA, AS5617:AS-PL, AS5617:AS-WORLD-TRANSIT, AS6778:AS-TRANSITED, AS8246:AS-TPNET, AS8308:AS-CUST-TRANSIT.