asn.dev

Autonomous system

AS39603 P4NET P4 Play network operator

Residential RIPE NCC Cable/DSL/ISP

IPv4 addresses 565K 9 prefixes
IPv6 prefixes 1 counted as prefixes, not addresses
Countries 1 mostly PL
Exchanges 3 recorded by PCH
Upstreams 12 2 downstream
Flagged prefixes 0 none

Summary

Play

Poland · AI-generated

residential mobile isp poland

P4NET is operated by Play (P4 Sp. z o.o.), a major Polish telecommunications provider.

What it's used for

  • The address space carries residential and mobile subscriber traffic, evidenced by reverse DNS entries such as user-31-174-128-0.play-internet.pl and user-static-164-126-128-0.mobile.play-internet.pl.
  • The network announces 565,248 IPv4 addresses across 9 prefixes and 1 IPv6 prefix, while maintaining 30 observed neighbours; this high address-to-neighbour ratio indicates an access/eyeball network rather than a transit provider.
  • Traffic consists of consumer broadband (DSL/cable) and mobile data sessions for Play's subscriber base in Poland.

Notable

  • Registrants for most prefixes are P4 Sp. z o.o. or P4 Team, consistent with the announcer; the 164.126.0.0/15 block is registered to Various Registries (Maintained by ARIN) with netname NET164.
  • The inventory includes a mix of large /15 blocks and smaller /17 to /19 allocations, with netnames like PL-PROJECT4 and PLAY_MBB reflecting different acquisition or service eras.

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 3 exchanges in 1 country, largest first.

ExchangeLocationTheir address
TPIX - Internet ExchangeWarsaw, Poland195.149.233.200
Equinix Internet Exchange WarsawWarsaw, Poland195.182.218.249
Thinx IXWarsaw, Poland212.91.0.128

Transit providers

12 upstream, 2 downstream and 21 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS1299Arelion Sweden AB363
AS3356Level 3 Parent, LLC321
AS6939Hurricane Electric LLC159
AS174Cogent Communications, LLC132
AS29314VECTRA S.A.56
AS9141P4 Sp. z o.o.53
AS24482SG.GS17
AS33891Core-Backbone GmbH17

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 9 prefixes · 565K addresses IPv6 1 prefixes

CountryNamePrefixes
PLPoland10

Registry

Allocation record

RIPE NCC · via Atlas (registry data)
Registry
RIPE NCC
Registered
2006-03-24
Allocation
allocated

Declared

PeeringDB profile

self-reported
Name
PLAY
Also known as
PLAY
Network type
Cable/DSL/ISP
Scope
Regional
Traffic ratio
Mostly Inbound
Peering policy
Selective
Present at
5 exchanges
Website
https://www.play.pl/

PeeringDB records are maintained by the network operator and are not independently verified. Treat them as a statement of intent rather than of fact. For the observed and recorded view, see peering, which lists the exchanges Packet Clearing House has a port on file for.

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 20 valid, 0 with no ROA
ROAs
20 authorising AS39603
ASPA
no ASPA record
IRR
100% registered · 20 of 20 announcements
Route objects
20 naming AS39603

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