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How Ireland ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to Ireland over time.
The largest autonomous systems registered to Ireland by IPv4 footprint.
Ireland against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
294 autonomous systems registered to Ireland. Click an AS for detail.
| AS2110IE | AS-BTIRE Enet Communications LIMITED | 246.5K | 18 |
| AS13280IE | H3GIE Three Ireland (Hutchison) limited | 225.3K | 69 |
| AS31122IE | DIGIWEB-AS Digiweb ltd | 201.5K | 51 |
| AS34245IE | MAGNET-AS Magnet Networks Limited | 106K | 20 |
| AS25441IE | IBIS-AS Imagine Communications Group Limited | 77.6K | 12 |
| 7.2K |
| — |
| 4 |
| AS47680IE | NHCS EOBO Ltd T/A BBnet | 8.2K | — | 1 |
| AS12388IE | Cablesurf Virgin Media Ireland Limited | 8.2K | — | 1 |
| AS43984IE | THRPP-AS Conscia Technologies LIMITED | 8.4K | — | 2 |
| AS49567IE | APTUS-AS Aptus Ltd | 9.2K | 524.3K | 8 |
| AS44786IE | ADOBE-IRELAND-AS Adobe Systems Software Ireland Ltd | 10K | — | 36 |
| AS34912IE | IFN-AS Vodafone Ireland Limited | 10.5K | — | 3 |
| AS39093IE | WestNet-IE WESTNET BROADBAND MAYO LIMITED | 10.5K | 589.8K | 6 |
| AS29644IE | AIRSPEED-AS AIRSPEED COMMUNICATIONS LIMITED | 11.3K | 65.5K | 10 |
| AS57052IE | BIOWAREONLINEEU1 ELECTRONIC ARTS IRELAND LIMITED | 11.5K | 16 | 10 |
| AS43406IE | LIGHTHOUSE-AS Lighthouse Networks Limited | 11.8K | 524.3K | 7 |
| AS42090IE | RAPIDBB Rapid Broadband Ltd | 12.3K | — | 6 |
| AS44212IE | ADELPHINET1-AS Adelphi Net1 Ltd | 13.3K | 1.2M | 11 |
| AS42227IE | AIRWIRE-AS Airwire Ltd | 13.3K | 65.5K | 18 |
| AS30900IE | WEBWORLD-AS Sternforth Ltd. trading as WebWorld | 15.6K | 65.5K | 32 |
| AS214611IE | Gcloud Google Cloud EMEA Ltd | 16.4K | 4.1K | 2 |
| AS214609IE | redtec-2 Google Cloud EMEA Ltd | 16.4K | 4.1K | 2 |
| AS201000IE | WHIZZY-FTTX Js Whizzy Internet Limited | 17.2K | 65.5K | 41 |
| AS56410IE | HOST-IRELAND-AS Leeson Telecom Holdings Ltd | 18.2K | 524.3K | 23 |
| AS47720IE | CIX-AS Cork Internet Exchange Limited | 20K | 131.1K | 17 |
| AS15806IE | ORG-IG30-RIPE Irish Government | 20.7K | 65.5K | 5 |
| AS207266IE | AFiLIAS-SECONDARY-DNS Identity Digital Limited | 21.2K | 83 | 166 |
| AS207044IE | ENET-AS Enet Telecommunications Networks Limited | 24.1K | 536.6K | 43 |
| AS15612IE | SERVECENTRIC ServeCentric Ltd. | 24.6K | — | 2 |
| AS15751IE | METEORMOBILECOMMS-AS Eircom Limited | 24.8K | 524.3K | 8 |
| AS8918IE | CARRIER1-AS Coolwave Communications Limited | 25.1K | — | 4 |
| AS211439IE | locotorpi Jurgita Jurgaitiene trading as LOCOTORPI | 26.1K | — | 83 |
| AS29650IE | VIATELAS-AS Digiweb ltd | 27.1K | 65.5K | 10 |
| AS39122IE | BLACKNIGHT-AS Blacknight Internet Solutions Limited | 28.4K | 786.4K | 33 |
| AS16171IE | STRENCOM Fulnett Limited | 43K | 65.5K | 9 |
| AS2850IE | University-College-Dublin University College Dublin | 65.5K | — | 1 |
| AS25441IE | IBIS-AS Imagine Communications Group Limited | 77.6K | 65.5K | 12 |
| AS34245IE | MAGNET-AS Magnet Networks Limited | 106K | 589.8K | 20 |
| AS31122IE | DIGIWEB-AS Digiweb ltd | 201.5K | 786.7K | 51 |
| AS13280IE | H3GIE Three Ireland (Hutchison) limited | 225.3K | — | 69 |
| AS2110IE | AS-BTIRE Enet Communications LIMITED | 246.5K | 589.8K | 18 |
| AS43515IE | YOUTUBE Google Ireland Limited | 636.2K | 433 | 130 |
| AS5466IE | EIRCOM Eircom Limited | 1.1M | 524.3K | 28 |
| AS8987IE | AWS-GOVCLOUD Amazon Data Services Ireland Ltd | 1.3M | 29.5K | 240 |
| AS15502IE | Vodafone-Ireland-ASN Vodafone Ireland Limited | 1.4M | — | 218 |
| AS1213IE | HEANET ASIERA TECHNOLOGY SERVICES CLG | 1.8M | 65.5K | 18 |