AS49888 ULTRANET-AS Ultranet Sp. z o.o.

ULTRANET-AS Ultranet Sp. z o.o. · registered in Poland

IPv4 addresses3,8404 prefixes · <0.001% of announced IPv4

Rank in Poland#329largest network in PL by IPv4 space, of 2,091 · 0.02% of PL

Rank worldwide#16,579of 79,396 networks with IPv4

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

CountryPoland2,145 ASNs registered there

Open AS49888 in ASN lookup Look up an IP in this network (95.143.240.1) All networks in Poland

IPv4 prefixes

All 4 prefixes, in address order.

95.143.240.0/21
95.143.248.0/22
95.143.252.0/23
95.143.254.0/24

IPv6 prefixes

All 1 prefix.

2a03:4b00::/32

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AS21182#328 OPOLMAN-AS-EDU Opole University3,840

AS2590#330 SUNTAR-AS Suntar Sp. z o.o.3,840

AS8726#331 KKI-BCI-AS Grupa KKI-BCI Sp. Z o.o.3,840

AS196928#332 WEKTOR-AS WEKTOR SP. Z O.O.3,840

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