AS206309 Regeneron-AS REGENERON IRELAND DESIGNATED ACTIVITY COMPANY

Regeneron-AS REGENERON IRELAND DESIGNATED ACTIVITY COMPANY · registered in Ireland

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Ireland#184largest network in IE by IPv4 space, of 197 · <0.01% of IE

Rank worldwide#74,285of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryIreland209 ASNs registered there

Open AS206309 in ASN lookup Look up an IP in this network (185.179.43.1) All networks in Ireland

IPv4 prefixes

All 1 prefix, in address order.

185.179.43.0/24

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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