AS203765 ASN-PRONETEUS PRONETEUS Sp. z o.o.

ASN-PRONETEUS PRONETEUS Sp. z o.o. · registered in Poland

IPv4 addresses1,2802 prefixes · <0.001% of announced IPv4

Rank in Poland#645largest network in PL by IPv4 space, of 2,091 · <0.01% of PL

Rank worldwide#27,572of 79,396 networks with IPv4

IPv68 x /32 (524,288 x /48)1 prefixes

CountryPoland2,145 ASNs registered there

Open AS203765 in ASN lookup Look up an IP in this network (91.210.238.1) All networks in Poland

IPv4 prefixes

All 2 prefixes, in address order.

91.210.238.0/24
185.124.116.0/22

IPv6 prefixes

All 1 prefix.

2a06:b1c0::/29

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AS203157#647 CRONEL-AS Lukasz Kazimierczak Cronel1,280

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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