AS42763 — CZAJEN

Network type: residential

AS42763 announces 3 IPv4 prefixes covering 3,584 addresses and 0 IPv6 prefixes.

About this network

The AS handle CZAJEN is held by FPUH Czajen Krzysztof Czaja.

What it's used for

• The address space carries residential and business internet access, evidenced by the netname PL-CZAJEN across all announced prefixes.
• The network announces 3584 IPv4 addresses across 3 prefixes and maintains 11 observed neighbours, a ratio consistent with a regional access provider rather than a transit carrier.
• Traffic from this AS consists of subscriber eyeballs for cable and DSL users in the regional market served by the operator.

Notable

• All registrants for the announced prefixes are FPUH Czajen Krzysztof Czaja, matching the AS holder and confirming direct ownership of the address space.
• The inventory consists of three distinct IPv4 blocks: 77.87.0.0/21, 91.193.120.0/22, and 193.33.174.0/23, all located in Poland.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 77.87.0.0/21
• 91.193.120.0/22
• 193.33.174.0/23

Upstream networks

• AS12912 T-Mobile Polska S.A.
• AS6939 Hurricane Electric LLC
• AS202520 SkyPass Solutions Sp. z o.o.
• AS198424 HLG Internet Sp. z o.o.
• AS24482 SG.GS

Downstream networks

• AS43326 Fundacja Nasza Wizja

Adjacent networks

• AS12912 T-Mobile Polska S.A.
• AS6939 Hurricane Electric LLC
• AS202520 SkyPass Solutions Sp. z o.o.
• AS198424 HLG Internet Sp. z o.o.
• AS43326 Fundacja Nasza Wizja
• AS24482 SG.GS

Internet exchanges

• Equinix Internet Exchange Warsaw — Warsaw, Poland
• Thinx IX — Warsaw, Poland