AS25084 CZESTMAN-COM-AS Politechnika Czestochowska

CZESTMAN-COM-AS Politechnika Czestochowska · registered in Poland

IPv4 addresses1,5362 prefixes · <0.001% of announced IPv4

Rank in Poland#600largest network in PL by IPv4 space, of 2,091 · <0.01% of PL

Rank worldwide#25,791of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryPoland2,145 ASNs registered there

Open AS25084 in ASN lookup Look up an IP in this network (212.87.240.1) All networks in Poland

IPv4 prefixes

All 2 prefixes, in address order.

212.87.240.0/23
212.87.244.0/22

IPv6 prefixes

All 1 prefix.

2a01:699::/32

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources