ıpdex
Poland

AS42763

FPUH Czajen Krzysztof Czaja ISP registered in Poland

17IPv4 prefixes
0IPv6 prefixes
100%RPKI-valid
#6,516AS Rank
327/327RIS visibility
#81Rank in Poland
2007-04-12Allocated

FPUH Czajen Krzysztof Czaja (AS42763) — ISP, registered in Poland. announces 17 IPv4 prefixes + 0 IPv6 prefixes. Rank in Poland: #81. Allocated: 2007-04-12.

Announced prefixes · 17

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 17 IPv4 · 0 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

0 10 2026-06-12 2026-06-13
Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)
Data table
DayAnnounced prefixes
2026-06-1217
2026-06-1317

Internet Exchanges · 2

Facilities · 1

AS topology · Customer cone 3

Providers · 2

Peers · 9

Customers · 2

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