AS209731 — MBIT Mariusz Krupinski trading as mBit

AS209731 announces 1 IPv4 prefixes covering 1,024 addresses and 0 IPv6 prefixes.

About this network

The AS handle MBIT is held by Mariusz Krupinski trading as mBit.

What it's used for

• The address space is registered under the netname PL-MBIT-20181213 with the registrant identified as Mariusz Krupinski trading as mBit.
• The network announces a single IPv4 prefix, 77.83.128.0/22, comprising 1024 addresses, and maintains 7 observed routing neighbours.
• This small-scale address inventory with a moderate neighbour count indicates a limited business or internal corporate network rather than a large-scale access or transit provider.

Notable

• The RDAP registrant matches the AS holder, confirming the space is directly owned by Mariusz Krupinski trading as mBit.
• The inventory consists of a single contiguous /22 block with no IPv6 prefixes announced.

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

Announced prefixes

• 77.83.128.0/22

Upstream networks

• AS29535 Orange Polska Spolka Akcyjna
• AS5617 Orange Polska Spolka Akcyjna
• AS24482 SG.GS
• AS12831 Technical University of Gdansk, Academic Computer Center TASK

Adjacent networks

• AS29535 Orange Polska Spolka Akcyjna
• AS24482 SG.GS
• AS5617 Orange Polska Spolka Akcyjna
• AS12831 Technical University of Gdansk, Academic Computer Center TASK

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 4 route objects.
• Listed in as-sets: AS-HURRICANE, AS-MBITPL, AS-TRANSROUTE-SPEC, AS12831:AS-TASK-COM-PCWS, AS29535:AS-MIX2, AS29535:AS-TPIX, AS5550:AS-TASK, AS5550:AS-TASK-1014.

Internet exchanges

• TPIX - Internet Exchange — Warsaw, Poland