asn.dev

Autonomous system

AS31683 ZMPG-AS Zarzad Morskiego Portu Gdynia S.A

Unclassified RIPE

IPv4 addresses 2.05K 3 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly PL
Exchanges 0 recorded by PCH
Upstreams 2 0 downstream
Flagged prefixes 0 none

Summary

Zarząd Morskiego Portu Gdynia S.A.

Poland · AI-generated

port business corporate infrastructure

ZMPG-AS is operated by Zarząd Morskiego Portu Gdynia S.A., the state-owned entity managing the Port of Gdynia in Poland.

What it's used for

  • The address space carries internal corporate infrastructure, evidenced by reverse DNS entries like m254.portnet.pl and b128.portnet.pl which point to internal hostnames rather than public customer services.
  • The AS announces 2048 IPv4 addresses across 3 prefixes with only 2 observed neighbours, a ratio indicating a small, self-contained internal network rather than a transit or access provider.

Notable

  • All three announced prefixes (91.225.64.0/22, 194.150.246.0/23, 195.182.206.0/23) share the netname ZMPG-SA-NET and are registered to Zarząd Morskiego Portu Gdynia S.A., confirming consistent ownership.
  • The address inventory is modest and finely subdivided into three distinct blocks, consistent with an internal corporate estate segmented by site or function rather than a large-scale service network.

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

2 upstream, 0 downstream and 2 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS12831Technical University of Gdansk, Academic Computer Center TASK234
AS20804Exatel S.A.117

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

Shape and geography

IPv4 3 prefixes · 2.05K addresses IPv6 0 prefixes

CountryNamePrefixes
PLPoland3

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS31683
Registry name
ZMPG-AS
Registrant
MNT-ZMPG
Abuse contact
abuse@port.gdynia.pl
Registered
2004-07-12
Last changed
2021-04-23
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 6 with no ROA
ROAs
0 authorising AS31683
ASPA
no ASPA record
IRR
100% registered · 6 of 6 announcements
Route objects
12 naming AS31683

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

Cross-check