AS215733 BKBB Blacknight Internet Solutions Limited

BKBB Blacknight Internet Solutions Limited · registered in Ireland

IPv4 addresses7,1687 prefixes · <0.001% of announced IPv4

Rank in Ireland#39largest network in IE by IPv4 space, of 197 · 0.13% of IE

Rank worldwide#11,376of 79,396 networks with IPv4

IPv62 x /32 (131,072 x /48)1 prefixes

CountryIreland209 ASNs registered there

Open AS215733 in ASN lookup Look up an IP in this network (45.11.168.1) All networks in Ireland

IPv4 prefixes

All 7 prefixes, in address order.

45.11.168.0/22
92.51.208.0/21
185.97.236.0/22
185.152.72.0/22
185.206.192.0/22
194.36.58.0/23
194.36.64.0/23

IPv6 prefixes

All 1 prefix.

2a01:ac::/31

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AS39449#40 FASTCOM-AS Fastcom Broadband Limited7,168

AS57791#41 ARDEN-AS Arden Broadband Ltd6,144

AS24675#42 LGCSB-AS Irish Government5,888

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