Autonomous system
AS209731 MBIT Mariusz Krupinski trading as mBit
Unclassified RIPE
Summary
mBit
business poland small
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-20181213with 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. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
Recorded at 1 exchange in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| TPIX - Internet Exchange | Warsaw, Poland | 195.149.233.72 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-11-11, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 1 prefixes · 1.02K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| PL | Poland | 1 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS209731- Registry name
- MBIT
- Registrant
- mnt-pl-mbit-1
- Abuse contact
- abuse@mbit.pl
- Registered
- 2018-12-14
- Last changed
- 2018-12-14
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 0% valid · 0 valid, 1 with no ROA
- ROAs
- 0 authorising AS209731
- ASPA
- no ASPA record
- IRR
- 100% registered · 1 of 1 announcements
- Route objects
- 4 naming AS209731
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 453 networks and 1,846 prefixes, as published 2026-11-12. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere