asn.dev

Autonomous system

AS34339 POLFIN-AS

Unclassified RIPE

IPv4 addresses 65.54K 1 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly PL
Exchanges 0 recorded by PCH
Upstreams 1 0 downstream
Flagged prefixes 0 none

Summary

Centrum Przetwarzania Danych Ministerstwa Finansow

Poland · AI-generated

government datacenter poland

POLFIN-AS is operated by Centrum Przetwarzania Danych Ministerstwa Finansow.

What it's used for

  • The address space is registered under the netname POLFIN with the registrant Centrum Przetwarzania Danych Ministerstwa Finansow, indicating a government data center facility.
  • The AS announces a single IPv4 prefix, 145.237.0.0/16, comprising 65536 addresses, with 0 IPv6 prefixes.
  • With only 1 observed neighbour, the low connectivity ratio suggests an isolated or internal network segment rather than a transit provider.

Notable

  • The RDAP registrant Centrum Przetwarzania Danych Ministerstwa Finansow matches the registry holder and AS name, confirming consistent ownership.
  • Secondary sources identify the organization as the Data Processing Center of the Ministry of Finance, formerly known as Centrum Informatyki Resortu Finansow.
  • The inventory consists of a single contiguous /16 block, representing a standard-sized allocation for a dedicated government infrastructure site.

CLASSIFICATION - after the card, on its own final line, emit exactly:

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

Full topology · Graph

Internet exchanges

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

1 upstream, 0 downstream and 1 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS20804Exatel S.A.540

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-14, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 1 prefixes · 65.54K addresses IPv6 0 prefixes

CountryNamePrefixes
PLPoland1

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS34339
Registry name
POLFIN-AS
Registrant
Centrum Przetwarzania Danych Ministerstwa Finansow
Abuse contact
abuse@mofnet.gov.pl
Registered
2004-12-21
Last changed
2023-01-02
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 9 with no ROA
ROAs
0 authorising AS34339
ASPA
no ASPA record
IRR
100% registered · 9 of 9 announcements
Route objects
11 naming AS34339

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: 442 networks and 1,772 prefixes, as published 2026-10-15. 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

Cross-check