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Cumulative IPv4, IPv6, and ASN allocations to Ireland over time.
Share of announced address space covered by valid Route Origin Authorizations.
294 autonomous systems registered to Ireland. Click an AS for detail.
| 1.1M |
| 524.3K |
| 29 |
| AS43515IE | YOUTUBE Google Ireland Limited | 463.6K | 385 | 109 |
| AS2110IE | AS-BTIRE Enet Communications LIMITED | 246.3K | 589.8K | 17 |
| AS13280IE | H3GIE Three Ireland (Hutchison) limited | 241.7K | — | 70 |
| AS31122IE | DIGIWEB-AS Digiweb ltd | 201.5K | 786.7K | 51 |
| AS25441IE | IBIS-AS Imagine Communications Group Limited | 134.9K | 65.5K | 25 |
| AS34245IE | MAGNET-AS Magnet Networks Limited | 106K | 589.8K | 20 |
| AS2850IE | University-College-Dublin University College Dublin | 65.5K | — | 1 |
| AS16171IE | STRENCOM Fulnett Limited | 43K | 65.5K | 9 |
| AS39122IE | BLACKNIGHT-AS Blacknight Internet Solutions Limited | 29.4K | 786.4K | 34 |
| AS29650IE | VIATELAS-AS Digiweb ltd | 27.1K | 65.5K | 10 |
| AS211439IE | locotorpi Jurgita Jurgaitiene trading as LOCOTORPI | 25.9K | — | 82 |
| AS8918IE | CARRIER1-AS Coolwave Communications Limited | 25.1K | — | 4 |
| AS15751IE | METEORMOBILECOMMS-AS Eircom Limited | 24.8K | 524.3K | 8 |
| AS15612IE | SERVECENTRIC ServeCentric Ltd. | 24.6K | — | 2 |
| AS207044IE | ENET-AS Enet Telecommunications Networks Limited | 24.1K | 540.7K | 47 |
| AS207266IE | AFiLIAS-SECONDARY-DNS Identity Digital Limited | 21.2K | 83 | 166 |
| AS15806IE | ORG-IG30-RIPE Irish Government | 20.7K | 65.5K | 5 |
| AS47720IE | CIX-AS Cork Internet Exchange Limited | 20K | 131.1K | 17 |
| AS56410IE | HOST-IRELAND-AS Leeson Telecom Holdings Ltd | 18.2K | 524.3K | 23 |
| AS201000IE | WHIZZY-FTTX Js Whizzy Internet Limited | 16.6K | — | 33 |
| AS214609IE | redtec-2 Google Cloud EMEA Ltd | 16.4K | 4.1K | 2 |
| AS214611IE | Gcloud Google Cloud EMEA Ltd | 16.4K | 4.1K | 2 |
| AS30900IE | WEBWORLD-AS Sternforth Ltd. trading as WebWorld | 15.6K | 65.5K | 32 |
| AS42227IE | AIRWIRE-AS Airwire Ltd | 13.3K | 65.5K | 18 |
| AS44212IE | ADELPHINET1-AS Adelphi Net1 Ltd | 13.3K | 1.2M | 11 |
| AS42090IE | RAPIDBB Rapid Broadband Ltd | 12.3K | — | 6 |
| AS43406IE | LIGHTHOUSE-AS Lighthouse Networks Limited | 11.8K | 524.3K | 7 |
| AS57052IE | BIOWAREONLINEEU1 ELECTRONIC ARTS IRELAND LIMITED | 11.5K | 16 | 10 |
| AS29644IE | AIRSPEED-AS AIRSPEED COMMUNICATIONS LIMITED | 11.3K | 65.5K | 10 |
| AS34912IE | IFN-AS Vodafone Ireland Limited | 10.5K | — | 3 |
| AS39093IE | WestNet-IE WESTNET BROADBAND MAYO LIMITED | 10.5K | 589.8K | 6 |
| AS44786IE | ADOBE-IRELAND-AS Adobe Systems Software Ireland Ltd | 9.7K | — | 35 |
| AS49567IE | APTUS-AS Aptus Ltd | 9.2K | 524.3K | 8 |
| AS43984IE | THRPP-AS Conscia Technologies LIMITED | 8.4K | — | 2 |
| AS12388IE | Cablesurf Virgin Media Ireland Limited | 8.2K | — | 1 |
| AS49406IE | FWI Fast Wireless Internet Ltd | 8.2K | — | 1 |
| AS47680IE | NHCS EOBO Ltd T/A BBnet | 8.2K | — | 1 |
| AS215733IE | BKBB Blacknight Internet Solutions Limited | 7.2K | 131.1K | 9 |
| AS39449IE | FASTCOM-AS Fastcom Broadband Limited | 7.2K | — | 4 |
| AS43192IE | imedia-AS Ajisko Ltd t/a Integrated Media Solutions | 6.1K | — | 5 |
| AS57791IE | ARDEN-AS Arden Broadband Ltd | 6.1K | — | 3 |
| AS24675IE | LGCSB-AS Irish Government | 5.9K | — | 20 |
| AS48305IE | NORAINA-EU Noraina Ltd | 5.1K | 524.3K | 12 |
| AS47942IE | REGB-AS Regional Telecom Ltd | 5.1K | — | 2 |
| AS44384IE | crossan Crossan CableComm Ltd | 5.1K | 65.5K | 3 |
| AS61194IE | CTIGLOBAL-IE EKCO CLOUD IRELAND LIMITED | 5.1K | — | 3 |