AS50243 YDP-AS 4Tonet Grzegorz Krezalek

YDP-AS 4Tonet Grzegorz Krezalek · registered in Poland

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Poland#1,620largest network in PL by IPv4 space, of 2,091 · <0.01% of PL

Rank worldwide#67,812of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPoland2,145 ASNs registered there

Open AS50243 in ASN lookup Look up an IP in this network (193.104.184.1) All networks in Poland

IPv4 prefixes

All 1 prefix, in address order.

193.104.184.0/24

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ASNNameIPv4 addresses

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AS50263#1621 IXP-1-IX-EU A-Systems Sp. z o.o.256

AS50355#1622 MSWiA Ministerstwo Spraw Wewnetrznych256

AS50423#1623 WARDYNSKI-AS Wardynski i Wspolnicy Spolka Komandytowa256

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