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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.
290 autonomous systems registered to Ireland. Click an AS for detail.
| AS13280IE | H3GIE Three Ireland (Hutchison) limited | 241.7K | 70 |
| AS31122IE | DIGIWEB-AS Digiweb ltd | 201.5K | 51 |
| AS34245IE | MAGNET-AS Magnet Networks Limited | 106K | 20 |
| AS25441IE | IBIS-AS Imagine Communications Group Limited | 73.5K | 10 |
| AS2850IE | University-College-Dublin University College Dublin | 65.5K | 1 |
| 1.5K |
| — |
| 5 |
| AS197957IE | KERBB Ker Broadband Communications Ltd | 1.5K | — | 2 |
| AS50088IE | FITL-IE Fort Information Technologies Ltd | 1.5K | — | 3 |
| AS200824IE | SUSQ-IRE Susquehanna International Group Ltd | 1.5K | — | 3 |
| AS39485IE | NORTHWEST-AS Northwest Broadband Connect Ltd. | 1.5K | 65.5K | 3 |
| AS200807IE | sleepless-ie-as Sleepless Server Solutions Ltd. | 1.8K | 65.5K | 6 |
| AS2128IE | INEX Internet Neutral Exchange Association Company Limited By Guarantee | 1.8K | 524.3K | 5 |
| AS43484IE | Siemens-Industry-Software-Limited-Europe Siemens Industry Software Limited | 1.8K | — | 4 |
| AS31128IE | SHAZAM-AS Apple Distribution International Ltd. | 1.8K | 4 | 12 |
| AS207382IE | jk-wireless JEREMIAH KEANE | 2K | — | 5 |
| AS39319IE | QZE QuestZones (Europe) Limited | 2K | 65.5K | 2 |
| AS201310IE | AS_DPD Interlink Ireland Ltd | 2K | — | 5 |
| AS200562IE | Welltel-IE Welltel (Ireland) Ltd | 2K | 524.3K | 3 |
| AS61145IE | Realbroadbandcom Real Broadband Ltd | 2.3K | — | 3 |
| AS198301IE | WKD-AS Workday Limited | 2.3K | — | 9 |
| AS50883IE | NTHILL-AS Ninetreehill Broadband Ltd | 2.3K | — | 2 |
| AS216414IE | upmc-irl-dc UPMC GLOBAL OPERATIONS CENTER LIMITED | 2.3K | — | 7 |
| AS209285IE | ESB Electricity Supply Board | 2.3K | — | 4 |
| AS30864IE | Elavon-Financial-Services-DAC_AS Elavon Financial Services DAC | 2.6K | — | 6 |
| AS42310IE | IEDR IE Domain Registry CLG | 2.6K | 3 | 9 |
| AS51865IE | DIDWW-AS DIDWW Ireland Limited | 2.6K | 65.5K | 6 |
| AS201111IE | AS_FINTRAX Planet Payment Group Holdings Limited | 2.6K | — | 7 |
| AS12372IE | Cubic-Telecom Cubic Telecom Limited | 2.8K | 160 | 18 |
| AS200565IE | IVERTEC Ivertec Ltd | 2.8K | 524.3K | 5 |
| AS199346IE | KBB-AS Kerry Broadband Ltd | 2.8K | — | 3 |
| AS49221IE | atlantek Atlantek Computers Teoranta Ltd | 3.1K | — | 2 |
| AS1197IE | NETWORKABILITY Network Ability Limited | 3.1K | 65.5K | 3 |
| AS41073IE | RTE Raidio Teilifis Eireann | 3.1K | 524.3K | 3 |
| AS2647IE | ORANGE-BUSINESS-NAM Orange Business Communications Technology Limited | 3.1K | — | 12 |
| AS206723IE | CARNSOREBROADBAND Carnsore Broadband Limited | 3.3K | 524.3K | 5 |
| AS51677IE | HETG-AS Hibernia Services Limited | 3.3K | — | 13 |
| AS51173IE | PBB Premier Data Networks LTD | 3.3K | — | 13 |
| AS47870IE | SNCR-ASN SYNCHRONOSS SOFTWARE IRELAND, LTD | 3.3K | 19 | 28 |
| AS49406IE | FWI Fast Wireless Internet Ltd | 4.1K | — | 1 |
| AS196737IE | AIRWAVE Airwave Internet | 4.1K | — | 4 |
| AS60277IE | Telcom-01 Agility Communications Limited | 4.4K | 524.3K | 7 |
| AS50326IE | IPTELECOM-AS INTERNET PROTOCOL TELECOM LTD | 4.4K | — | 7 |
| AS15405IE | EASTCORK-AS East Cork Broadband Limited | 4.4K | 65.5K | 6 |
| AS62129IE | wirelessconnect16 Wireless Connect Ltd. | 4.6K | — | 4 |
| AS48305IE | NORAINA-EU Noraina Ltd | 5.1K | 524.3K | 12 |
| AS60924IE | ORIXCOM Orixcom Limited | 5.1K | 1.6M | 11 |
| AS44384IE | crossan Crossan CableComm Ltd | 5.1K | 65.5K | 3 |
| AS61194IE | CTIGLOBAL-IE EKCO CLOUD IRELAND LIMITED | 5.1K | — | 3 |
| AS47942IE | REGB-AS Regional Telecom Ltd | 5.1K | — | 2 |
| AS24675IE | LGCSB-AS Irish Government | 5.9K | — | 20 |
| AS57791IE | ARDEN-AS Arden Broadband Ltd | 6.1K | — | 3 |
| AS43192IE | imedia-AS Ajisko Ltd t/a Integrated Media Solutions | 6.1K | — | 5 |