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How Ireland ranks worldwide on dormant space, the transfer market, routing security and address density.
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 | 246.3K | 17 |
| AS13280IE | H3GIE Three Ireland (Hutchison) limited | 241.7K | 70 |
| AS31122IE | DIGIWEB-AS Digiweb ltd | 201.5K | 51 |
| AS25441IE | IBIS-AS Imagine Communications Group Limited | 134.9K | 25 |
| AS34245IE | MAGNET-AS Magnet Networks Limited | 106K | 20 |
| 1K |
| — |
| 4 |
| AS44196IE | ASN-AS44196 Edward Campbell | 1K | — | 4 |
| AS34815IE | IE-GEC-AS Dublin Enterprise & Technology Centre Limited | 1K | — | 4 |
| AS202148IE | BOYLESPORTS-AS BoyleSports 2 Unlimited Company | 1K | — | 2 |
| AS203262IE | INNOVATEBT-AS Innovate Business Technology Ltd | 1K | — | 3 |
| AS60155IE | OrionDigtalServicesAS Orion Digital Services Ltd. | 1K | — | 1 |
| AS42326IE | hertzire-as HERTZ EUROPE SERVICE CENTRE LIMITED | 1K | — | 4 |
| AS48970IE | NATUSIE Natus Manufacturing Limited | 1K | — | 4 |
| AS199588IE | DHDA Digital Hub Development Agency | 1K | 65.5K | 2 |
| AS204990IE | bluecloud Dirk Webbeler Enterprises Limited trading as Blue Technologies Ltd. & Co. KG | 1K | — | 1 |
| AS212028IE | WU-LT Western Union International Limited | 1K | — | 3 |
| AS205743IE | munster Munster Wireless Ltd. | 768 | — | 2 |
| AS212312IE | EXIGENT Exigent Network Integration Ltd | 768 | 65.5K | 3 |
| AS213128IE | LINK-Broadband-Ltd LINK Broadband Limited | 768 | — | 3 |
| AS200186IE | seith-it-htznr-dc1 SEITH IT CONSULTING LIMITED | 768 | — | 3 |
| AS200500IE | Vesta-DUB Vesta Payment Solutions Limited | 768 | — | 3 |
| AS199326IE | VEIGLOBAL Voice Engineer Ireland Limited | 768 | 513 | 6 |
| AS42213IE | MPIL-AS-1 Mallinckrodt Pharmaceuticals Ireland Ltd | 512 | — | 1 |
| AS215440IE | CELLUSYS Cellusys Limited | 512 | — | 2 |
| AS199559IE | Polarlake Bloomberg Data Management Services Limited | 512 | — | 2 |
| AS203366IE | bmcsaas-ams BMC Software Ireland Limited | 512 | — | 2 |
| AS199873IE | EZETOP Ezetop Unlimited Company ULC | 512 | — | 2 |
| AS34778IE | SIEMENS-INDUSTRY-SOFTWARE-EGYPT Siemens Industry Software Limited | 512 | — | 2 |
| AS212353IE | EUROSERVERS Crelativity Limited | 512 | — | 2 |
| AS61314IE | CBoI-AS Central Bank of Ireland | 512 | — | 2 |
| AS62017IE | CGATE-AS Commercegate Ireland LTD | 512 | — | 2 |
| AS51516IE | Fexco Fexco Unlimited Company | 512 | — | 1 |
| AS205189IE | BOIGROUP BANK OF IRELAND GROUP PUBLIC LIMITED COMPANY | 512 | — | 2 |
| AS216302IE | kaminot Kaminot Limited | 512 | 131.1K | 4 |
| AS213231IE | celko CELKO LIMITED | 512 | — | 2 |
| AS42953IE | INEX-CORK Internet Neutral Exchange Association Company Limited By Guarantee | 512 | 65.5K | 3 |
| AS202823IE | OFFICEIT Office IT Ltd. | 512 | — | 2 |
| AS213483IE | ASTRIVE-AS ASTRIVE X LTD | 512 | 65.5K | 3 |
| AS206998IE | NEW-2 NEW RELIC INTERNATIONAL LIMITED | 512 | 1 | 3 |
| AS204597IE | WAYFAIR Wayfair Stores Ltd | 512 | — | 2 |
| AS213576IE | ERTIUS-NET Robert Weir | 512 | 15 | 16 |
| AS204210IE | ZEUSPACKAGINGLTD Zeus Packaging Limited | 512 | 20 | 6 |
| AS16282IE | AIB-AS-1 Allied Irish Banks PLC | 512 | — | 2 |
| AS200363IE | BK-AS Blacknight Internet Solutions Limited | 512 | 65.5K | 3 |
| AS60229IE | DEMONWARE Demonware Limited | 512 | — | 2 |
| AS210045IE | BC-AS Blackrock Clinic Unlimited Company | 256 | 524.3K | 2 |
| AS208116IE | ATHORA-IE Athora Ireland Services Limited | 256 | — | 1 |
| AS211638IE | DNW-AS David Freyne | 256 | 1 | 2 |
| AS31411IE | ORG-ICGP1-RIPE-AS Irish Continental Group Plc. | 256 | — | 1 |
| AS209506IE | CushNet Stephen Cushen | 256 | 1 | 2 |
| AS35424IE | IE-TAXBACK-20190219 FINTUA LIMITED | 256 | — | 1 |
| AS41602IE | NH7-AS Nicholas William Hilliard | 256 | — | 1 |