AS51744 ASJABLONKA Non-profit organization Jablonka.cz

ASJABLONKA Non-profit organization Jablonka.cz · registered in Czechia

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in Czechia#376largest network in CZ by IPv4 space, of 570 · 0.01% of CZ

Rank worldwide#35,837of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryCzechia599 ASNs registered there

Open AS51744 in ASN lookup Look up an IP in this network (91.219.244.1) All networks in Czechia

IPv4 prefixes

All 1 prefix, in address order.

91.219.244.0/22

IPv6 prefixes

All 1 prefix.

2001:67c:1798::/48

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AS56344#377 ASVIRIDIUM Viridium.cz s.r.o.1,024

AS57007#378 ASNITEX NITEX ISP s.r.o.1,024

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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