asn.dev

Autonomous system

AS41959 ASPLJ

Residential RIPE

IPv4 addresses 4.86K 12 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly PL
Exchanges 1 recorded by PCH
Upstreams 4 0 downstream
Flagged prefixes 0 none

Summary

PLJ TELECOM

Poland · AI-generated

isp residential regional cable

The AS handle ASPLJ is held by PLJ TELECOM sp. z o.o.

What it's used for

  • The address space carries residential and business access traffic, evidenced by reverse DNS records pointing to pljtelecom.pl and netnames such as PL-PLJPL and PL-PLJ-TELECOM-S-C.
  • The network announces 4864 IPv4 addresses across 12 prefixes while maintaining only 7 observed neighbours, a ratio that indicates a regional access provider rather than a transit carrier.
  • As a wired telecommunications carrier operating in the cable and DSL sector, the traffic consists of subscriber eyeballs and local business connectivity within its service area in Nadarzyn and surrounding regions.

Notable

  • Registrants for 11 of the 12 announced prefixes are listed as PLJ TELECOM sp. z o.o., aligning with the AS holder; the remaining prefix uses the netname RIPE-NCC-MANAGED-ADDRESS-BLOCK.
  • The address inventory is composed of a mix of /22, /23, and /24 blocks, with the largest allocation being 185.79.32.0/22.
  • The operator was incorporated in 2022, suggesting a recent corporate restructuring or rebranding of the existing network infrastructure.

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

Recorded at 1 exchange in 1 country, largest first.

ExchangeLocationTheir address
Thinx IXWarsaw, Poland212.91.0.203

Transit providers

4 upstream, 0 downstream and 4 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS174Cogent Communications, LLC377
AS15694Atman Sp. z o.o.325
AS20853eTOP sp. z o.o.66
AS24482SG.GS12

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-10, 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 12 prefixes · 4.86K addresses IPv6 0 prefixes

CountryNamePrefixes
PLPoland12

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS41959
Registry name
ASPLJ
Registrant
MNT-PLJPK
Abuse contact
abuse@plj.pl
Registered
2006-11-22
Last changed
2022-12-27
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 13 valid, 0 with no ROA
ROAs
13 authorising AS41959
ASPA
no ASPA record
IRR
100% registered · 13 of 13 announcements
Route objects
16 naming AS41959

Reputation

Classification and threat

Residential Fixed-line consumer ISP. Addresses here are homes.

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: 431 networks and 1,775 prefixes, as published 2026-10-11. 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