AS21243 — PLUSNET PlusGSM transit core network

AS21243 announces 2 IPv4 prefixes covering 1,280 addresses and 0 IPv6 prefixes.

About this network

The AS handle PLUSNET PlusGSM transit core network is held by Plusnet Polkomtel Sp. z o.o.

What it's used for

• The space carries mobile infrastructure, indicated by the netname PLUSNET and registrant Polkomtel Sp. z o.o.; PlusGSM IP Team.
• The AS announces 1024 IPv4 addresses across 1 prefix with 1 observed neighbour, a ratio consistent with a transit or core network role rather than a large access network.

Notable

• The registrant Polkomtel Sp. z o.o.; PlusGSM IP Team aligns with the AS holder name, confirming the identity of the operator.
• The address inventory consists of a single /22 block (37.247.244.0/22), representing a compact and focused allocation for the PlusGSM core network.

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

Announced prefixes

• 37.247.244.0/22
• 212.2.105.0/24

Upstream networks

• AS12741 Netia SA
• AS8374 Polkomtel Sp. z o.o.

Adjacent networks

• AS12741 Netia SA
• AS8374 Polkomtel Sp. z o.o.

Routing security

• RPKI: 3 valid, 0 invalid and 0 not-found announcements; 5 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 4 route objects.
• Listed in as-sets: AS-IPARTNERS, AS-PLUSNET, AS5617:AS-PL, AS8246:AS-TPNET, AS8374:AS-GIX.