AS201000 WHIZZY-FTTX Js Whizzy Internet Limited

WHIZZY-FTTX Js Whizzy Internet Limited · registered in Ireland

IPv4 addresses9,21611 prefixes · <0.001% of announced IPv4

Rank in Ireland#35largest network in IE by IPv4 space, of 197 · 0.17% of IE

Rank worldwide#9,531of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)17 prefixes

CountryIreland209 ASNs registered there

Open AS201000 in ASN lookup Look up an IP in this network (45.156.120.1) All networks in Ireland

IPv4 prefixes

All 11 prefixes, in address order.

45.156.120.0/22
79.143.192.0/21
79.143.200.0/22
79.143.204.0/23
79.143.206.0/24
79.143.207.0/24
91.245.244.0/22
185.89.72.0/23
185.89.74.0/23
185.211.252.0/22
185.237.148.0/22

IPv6 prefixes

All 17 prefixes.

2a03:8260::/33
2a03:8260:8000::/42
2a03:8260:8040::/44
2a03:8260:8050::/44
2a03:8260:8060::/44
2a03:8260:8070::/45
2a03:8260:8078::/46
2a03:8260:807c::/47
2a03:8260:807e::/47
2a03:8260:8080::/41
2a03:8260:8100::/40
2a03:8260:8200::/39
2a03:8260:8400::/38
2a03:8260:8800::/37
2a03:8260:9000::/36
2a03:8260:a000::/35
2a03:8260:c000::/34

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AS43984#36 THRPP-AS Conscia Technologies LIMITED8,448

AS44786#37 ADOBE-IRELAND-AS Adobe Systems Software Ireland Ltd8,448

AS47680#38 NHCS EOBO Ltd T/A BBnet8,192

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