AS199390

Name: AS199390 — Michal Swierk trading as ALFA-KOMPUTER SYSTEM
Creator: ipdex

Michal Swierk trading as ALFA-KOMPUTER SYSTEM ISP registered in Poland

3IPv4 prefixes

0IPv6 prefixes

33%RPKI-valid

#55,293AS Rank

327/327RIS visibility

#539Rank in Poland

2013-02-08Allocated

Michal Swierk trading as ALFA-KOMPUTER SYSTEM (AS199390) — ISP, registered in Poland. announces 3 IPv4 prefixes + 0 IPv6 prefixes. Rank in Poland: #539. Allocated: 2013-02-08.

IPv4 3IPv6 0

Announced prefixes · 3

v4 185.18.132.0/22 unknown
v4 185.255.252.0/22 unknown
v4 195.136.176.0/22 valid

RPKI: rpki.cloudflare.com · 2026-06-23

Routing: 3 IPv4 · 0 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-23

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	3
2026-06-13	3

Internet Exchanges · 2

EPIX.Katowice Katowice/Silesia 10 Gbps
Equinix Warsaw Warsaw 10 Gbps

Facilities · 2

2 Facilities · 1 Countries

4 Data Center Katowice
Equinix WA1 - Warsaw, Centrum LIM Warsaw

AS topology · Customer cone 1

Providers · 2

AS20804 Exatel S.A.
AS50606 Horyzont Technologie Internetowe sp.z.o.o.

Peers · 2

AS24482 SG.GS
AS49544 i3D.net B.V

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