Home ASN LookupAS9141

AS9141 AS9141 P4 Sp. z o.o.

🇵🇱

Org handle: ORG-UTKS1-RIPE

P4 Play UPC PL network

RIPE NCCallocated

Announced Prefixes (BGP)

89total

76 IPv413 IPv6

IPv4 Addresses

Allocated (RIR)313,344

Announced (BGP)1.6M

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)2.6×10³⁰

Prefix Limit (IPv4)

500

Prefix Limit (IPv6)

Country

🇵🇱 PL

RIR

RIPE NCC

Status

allocated

Allocated

1999-01-08

Routing hygiene

Score 8/100 · Low risk

RPKI ROA coverage

100%

no RPKI invalid prefixes

IRR route objects

100%

no origin mismatches

Hijack signals

0 announced against others' ROAs, 0 own announced by others

Upstreams

diversity 25/100

Routes concentrated on one upstream (85% of routes)

Based on 89 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained

Listed on the threat map (2026-10-25)

#5 in Poland (5 flagged networks located there)

Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.

Announced Prefixes

(BGP)89

Prefix	RPKI	IRR	Last Seen
31.178.0.0/17	Valid	RIPE	2026-10-26
31.178.128.0/17	Valid	RIPE	2026-10-26
31.179.0.0/17	Valid	RIPE	2026-10-26
31.179.128.0/17	Valid	RIPE	2026-10-26
31.186.192.0/19	Valid	RIPE	2026-10-26
77.236.0.0/21	Valid	RIPE	2026-10-26
77.236.8.0/21	Valid	RIPE	2026-10-26
77.236.16.0/21	Valid	RIPE	2026-10-26
77.236.24.0/21	Valid	RIPE	2026-10-26
81.18.192.0/22	Valid	RIPE	2026-10-26

1-10 of 89

1 / 9

Allocated Prefixes

(RIR)17

Prefix	Country	RIR	Status
31.186.192.0/19	🇵🇱 PL	RIPENCC	allocated
83.175.176.0/20	🇵🇱 PL	RIPENCC	assigned
84.10.192.0/18	🇵🇱 PL	RIPE	assigned
89.68.0.0/14	🇵🇱 PL	RIPE	assigned
91.238.60.0/24	🇵🇱 PL	RIPENCC	assigned
91.247.147.0/24	🇵🇱 PL	RIPENCC	assigned
92.244.40.0/21	🇵🇱 PL	RIPE	assigned
92.244.48.0/21	🇵🇱 PL	RIPE	assigned
92.244.56.0/21	🇵🇱 PL	RIPE	assigned
185.182.244.0/22	🇵🇱 PL	RIPENCC	allocated

1-10 of 17

1 / 2

All 89 announced prefixes of AS9141 →

Downstream Customers(3)

ASN	Name
AS33923	🇵🇱ART-COM ART-COM Sp. z o.o.
AS43171	🇵🇱MAXNET Lukasz Rafal Hamerski trading as Maxnet
AS198408	🇵🇱EMOUSE-NET E-Mouse Karol Urbanowicz

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS9141 hands its own prefixes to: transit providers, or peers at an exchange.

AS3356Level 3 Parent76
AS1299TWELVE99 Arelion Sweden AB13

Downstreams (41)

Networks whose own prefixes AS9141 passes on: usually its customers.

AS15541CETI Marcin Bochenek Trading As CETI S.C18
AS61154INTEGRADESIGN IDHosting Sp. Z O. O16
AS47544IQPL IQ PL Sp. Z O.O6
AS8308NASK COMMERCIAL NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA PANSTWOWY INSTYTUT BADAWCZY5
AS49785AWIST P.P.H.U AWIST5
AS50231SYRION Miconet Sp. Z O.O4
AS15967NETARTGROUP Nazwa.Pl Sp.Z.O.O3
AS42914IMPERIUM Czeslaw Chlewicki Trading As IMPERIUM Telecom3
AS50840HITME Marek Bajerski Trading As HITME.PL3
AS57219MULTINET Sp. Z O.O3
AS12827WirtualnaPolska Wirtualna Polska Media S.A2
AS15470AVERTECH Sp. Z O.O2
AS35745PROVECTOR Sp. Z O.O2
AS41026KOPNET S.C. Marek Szczudlo Juliusz Kostrzewski2
AS60831ARKADIA Spolka Cywilna Krysztof Rozmus Barbara Rozmus2
AS198040CHOJNET Sp. Z O.O2
AS201019P4NET POZ P4 Sp. Z O.O2
AS201020EOT ONE ILARIO SP. Z O.O2
AS201990Techgroup NET Jakub Bartlomiej Osuch Trading Techgroup2
AS205160DZP Domanski Zakrzewski Palinka Sp. K2
AS206186EPIX KTW Local Stowarzyszenie E Poludnie2
AS18438Brown Brothers Harriman & Company1
AS21244WARSAW DATA CENTER Warsaw Data Center Sp. Z O.O1
AS29135NetSharks NET SHARKS Sp. Z O.O1
AS33838BETANET Sp. Z O.O1
AS35187PCT PCC IT S.A1
AS35274NPLAY IP4NET Sp. Z O.O1
AS35434PIRXNET Grzegorz Bialas1
AS39603P4NET P4 Sp. Z O.O1
AS43153SFERANET Sp. Z O.O1
AS43681UMSOPOT Urzad Miasta Sopotu1
AS49258DOMENAPL Domena.Pl Sp. Z O.O1
AS50728GALACTICA Sp. J. Raatz I Wspolnicy1
AS197186Prestiz SC Poland Prestiz Net Sp. Z O.O1
AS197818Tech Cave IMS R & D Sp. Z O.O1
AS197828PARTNERTELEKOM PARTNER TELEKOM Jacek Kwiatkowski, Leszek Kuszka SP.J1
AS199409Farmaprom Polska Sp. Z O.O. Sp. K1
AS201663ASTAT Sp. Z O.O1
AS206896Tdas TOPDATA SP. Z 0.01
AS208960HOCHTIEF POLSKA S.A1
AS211742Intraserv Kamil Schild1

Other adjacent networks (8)

Adjacent to AS9141 in the transit part of AS paths: peers, providers or customers.

AS60068CDN77 Datacamp Limited414
AS62081EPIX WAW GlobalMix Stowarzyszenie E Poludnie232
AS50607EPIX KTW GlobalMix Stowarzyszenie E Poludnie154
AS174Cogent Communications16
AS212261EPIX POZ GlobalMix Stowarzyszenie E Poludnie13
AS31080O2 Wirtualna Polska Media S.A4
AS39869LIVENET PL Livenet Sp. Z O.O1
AS59832NASK PIB NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA PANSTWOWY INSTYTUT BADAWCZY1

Transfer History

Registry transfers of AS9141 between organisations.

AS9141M&A · 2024-02-19
UPC Polska Sp. z o.o.
RIPE NCC
→
P4 Sp. z o.o.
RIPE NCC

Date	Resource	From	To	Type
2024-02-19	AS9141	UPC Polska Sp. z o.o. RIPE NCC	P4 Sp. z o.o. RIPE NCC	M&A

ASPA

No ASPA0 upstreams, 3 downstreams

Listed as Upstream Provider by

3 ASNs

View full ASPA details →

Abuse Contact

+31205354444

External Links

RIPE Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
How to run an ASPA checkVerify the upstream providers listed above
IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/9141

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/9141" | jq