AS51750 FMC-POLAND-AS Fresenius Medical Care Polska SA

FMC-POLAND-AS Fresenius Medical Care Polska SA · registered in Poland

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Poland#1,636largest network in PL by IPv4 space, of 2,091 · <0.01% of PL

Rank worldwide#68,072of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPoland2,145 ASNs registered there

Open AS51750 in ASN lookup Look up an IP in this network (91.220.18.1) All networks in Poland

IPv4 prefixes

All 1 prefix, in address order.

91.220.18.0/24

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ASNNameIPv4 addresses

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AS51513#1635 Klimawent Klimawent S.A.256

AS51757#1637 PL-INFRATEL-AS Infratel-Operator Infrastrukturalny sp. z o.o.256

AS51774#1638 SPS-NET Servier Polska Services Sp. z o.o.256

AS51879#1639 CCIG-BGP CCIG Group sp. z o.o256

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