AS213576 ERTIUS-NET Robert Weir

ERTIUS-NET Robert Weir · registered in Ireland

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in Ireland#125largest network in IE by IPv4 space, of 197 · <0.01% of IE

Rank worldwide#47,863of 79,396 networks with IPv4

IPv612 x /4811 prefixes

CountryIreland209 ASNs registered there

Open AS213576 in ASN lookup Look up an IP in this network (91.213.28.1) All networks in Ireland

IPv4 prefixes

All 2 prefixes, in address order.

91.213.28.0/24
185.140.52.0/24

IPv6 prefixes

All 11 prefixes.

2a05:dfc3:fe00::/48
2a05:dfc3:fe05::/48
2a05:dfc3:fe06::/48
2a05:dfc3:fe11::/48
2a05:dfc3:fe13::/48
2a05:dfc3:fe17::/48
2a05:dfc3:fe22::/48
2a05:dfc3:fe30::/47
2a05:dfc3:fe32::/48
2a05:dfc3:fefe::/48
2a0f:b240:f00::/48

Similar-sized networks in Ireland

ASNNameIPv4 addresses

AS200363#122 BK-AS Blacknight Internet Solutions Limited512

AS213483#123 ASTRIVE-AS ASTRIVE X LTD512

AS204210#124 ZEUSPACKAGINGLTD Zeus Packaging Limited512

AS206998#126 NEW-2 NEW RELIC INTERNATIONAL LIMITED512

AS207319#127 DIDWW-SG-AS DIDWW Ireland Limited512

AS212353#128 EUROSERVERS Crelativity Limited512

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