AS200363 BK-AS Blacknight Internet Solutions Limited

BK-AS Blacknight Internet Solutions Limited · registered in Ireland

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Ireland#122largest network in IE by IPv4 space, of 197 · <0.01% of IE

Rank worldwide#46,850of 79,396 networks with IPv4

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

CountryIreland209 ASNs registered there

Open AS200363 in ASN lookup Look up an IP in this network (91.197.232.1) All networks in Ireland

IPv4 prefixes

All 1 prefix, in address order.

91.197.232.0/23

IPv6 prefixes

All 1 prefix.

2a01:af::/32

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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