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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 |
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| AS31458IE | SmartTelecom-AS Digiweb ltd | — | — | 0 |
| AS211200IE | Aptriva Aptriva Ltd | — | — | 0 |
| AS35226IE | Ripplecom-AS Digiweb ltd | — | — | 0 |
| AS215477IE | WESTERNUNION-FRA-DE Western Union International Limited | — | — | 0 |
| AS198555IE | VMW-SVQ01 Vmware International Unlimited Company | — | — | 0 |
| AS207885IE | malissa Pui-Hin Vincent Lee | — | — | 0 |
| AS200948IE | Linesight-Public Rolbay ULC | — | — | 0 |
| AS56767IE | ZIRDAI-AS Zirdai Limited | — | — | 0 |
| AS56878IE | ORIXCOM-IE Orixcom Limited | — | — | 0 |
| AS203381IE | VOIPANDIS Premier Data Networks LTD | — | — | 0 |
| AS199030IE | Alex Alex Lee Whelton | — | — | 0 |
| AS205702IE | COMPLICITY Zoe O'Connell | — | 1 | 1 |
| AS9059IE | AWS-EU-AS Amazon Data Services Ireland Ltd | — | — | 0 |
| AS199027IE | J2-GLOBAL-IRELAND j2 Global Ireland Ltd | — | — | 0 |
| AS209519IE | redtec-tc-2 Google Cloud EMEA Ltd | — | — | 0 |
| AS206422IE | in2tel-bt 8x8 Communications CX Solutions LIMITED | — | — | 0 |
| AS213991IE | BCG2-AS Barclays Bank lreland PLC | — | — | 0 |
| AS201255IE | BSB-AS BS&B Safety Systems Limited | — | — | 0 |
| AS60888IE | ASN-TITANIA Titania Networks Limited | — | — | 0 |
| AS35068IE | VIRTU-FINANCIAL Virtu Financial Ireland Limited | — | — | 0 |
| AS197822IE | VMW-ROM01 Vmware International Unlimited Company | — | — | 0 |
| AS197953IE | VMW-IE Vmware International Unlimited Company | — | — | 0 |
| AS61186IE | ZENDESK-INTL Zendesk International Limited | — | — | 0 |
| AS214355IE | MMSOFT-ASN MMSOFT Design Limited | — | — | 0 |
| AS3286IE | IOL Enet Communications LIMITED | — | — | 0 |
| AS39849IE | PTX-AS U.S. Bank Europe DAC | — | — | 0 |
| AS209542IE | KEVINGANNON kevin gannon | — | — | 0 |
| AS41883IE | CNT-AS Vodafone Ireland Limited | — | — | 0 |
| AS211232IE | AIRWAVE2 Lackabeha Services Ltd. | — | — | 0 |
| AS49416IE | EXWEST Exchange West | — | — | 0 |
| AS208539IE | VMW-TLV01 Vmware International Unlimited Company | — | — | 0 |
| AS203239IE | VMW-BG Vmware International Unlimited Company | — | — | 0 |
| AS206514IE | FREEMESH-IE Freemesh | — | — | 0 |
| AS28867IE | Atos-IT-Solutions-and-Services-Ireland-AS ATOS IT SOLUTIONS AND SERVICES LIMITED | — | — | 0 |
| AS41736IE | NovaNetworks-AS Digiweb ltd | — | — | 0 |
| AS62455IE | WBB-AS Digiweb ltd | — | — | 0 |
| AS62431IE | NCSC-IE-AS National Cyber Security Centre | — | — | 0 |
| AS205587IE | WEBWORLD-BROADBAND-AS Sternforth Ltd. trading as WebWorld | — | — | 0 |
| AS56638IE | J2-IRE-AS j2 Global Ireland Limited | — | — | 0 |
| AS214055IE | COMREG Commission for Communications Regulation (ComReg) | — | — | 0 |
| AS216133IE | cloudcn Cloud Communication & Networks LTD | — | — | 0 |
| AS209449IE | VMW-LHR06 Vmware International Unlimited Company | — | — | 0 |
| AS198553IE | VMW-DXB01 Vmware International Unlimited Company | — | — | 0 |
| AS211469IE | bmcsaas-zwl BMC Software Ireland Limited | — | — | 0 |
| AS24622IE | BT-BOI Enet Communications LIMITED | 256 | — | 1 |
| AS35262IE | LLLL 4L Communications Ltd | 256 | — | 1 |