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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 |
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| AS209449IE | VMW-LHR06 Vmware International Unlimited Company | — | — | 0 |
| AS9059IE | AWS-EU-AS Amazon Data Services Ireland Ltd | — | — | 0 |
| AS49416IE | EXWEST Exchange West | — | — | 0 |
| AS35226IE | Ripplecom-AS Digiweb ltd | — | — | 0 |
| AS209519IE | redtec-tc-2 Google Cloud EMEA Ltd | — | — | 0 |
| AS207885IE | malissa Pui-Hin Vincent Lee | — | — | 0 |
| AS39111IE | ADSI-AS Amazon Data Services Ireland Ltd | — | — | 0 |
| AS31458IE | SmartTelecom-AS Digiweb ltd | — | — | 0 |
| AS209504IE | redtec-tc-3 Google Cloud EMEA Ltd | — | — | 0 |
| AS197953IE | VMW-IE Vmware International Unlimited Company | — | — | 0 |
| AS211086IE | VMW-LIN02 Vmware International Unlimited Company | — | — | 0 |
| AS205494IE | THOMASBOLGER-AS Thomas John Bolger | — | 65.5K | 1 |
| AS39849IE | PTX-AS U.S. Bank Europe DAC | — | — | 0 |
| AS205789IE | eden-net Eden Uhde | — | — | 0 |
| AS43760IE | INEX-RS Internet Neutral Exchange Association Company Limited By Guarantee | — | — | 0 |
| AS206422IE | in2tel-bt 8x8 Communications CX Solutions LIMITED | — | — | 0 |
| AS56878IE | ORIXCOM-IE Orixcom Limited | — | — | 0 |
| AS203381IE | VOIPANDIS Premier Data Networks LTD | — | — | 0 |
| AS197822IE | VMW-ROM01 Vmware International Unlimited Company | — | — | 0 |
| AS201255IE | BSB-AS BS&B Safety Systems Limited | — | — | 0 |
| AS199368IE | VMW-MAD01 Vmware International Unlimited Company | — | — | 0 |
| AS201614IE | IIU-AS International Investment and Underwriting Unlimited Company | — | — | 0 |
| AS199200IE | RADIOTWOTHOUSAND Bauer Audio Ireland Limited trading as Bauer Media Audio Ireland LP | — | — | 0 |
| AS207726IE | VMW-AMS04 Vmware International Unlimited Company | — | — | 0 |
| AS44451IE | SKYTEL-AS Digiweb ltd | — | — | 0 |
| AS211129IE | VMW-CDG1 Vmware International Unlimited Company | — | — | 0 |
| AS211232IE | AIRWAVE2 Lackabeha Services Ltd. | — | — | 0 |
| AS203060IE | cimpress Cimpress Ireland Limited | — | — | 0 |
| AS59915IE | DELL-SOFTWARE-BLK Dell Products (Private Unlimited With Share Capital) | — | — | 0 |
| AS201428IE | VMW-LHR01 Vmware International Unlimited Company | — | — | 0 |
| AS199687IE | in2tel-db3 8x8 Communications CX Solutions LIMITED | — | — | 0 |
| AS209539IE | redtec-tc-1 Google Cloud EMEA Ltd | — | — | 0 |
| AS28867IE | Atos-IT-Solutions-and-Services-Ireland-AS ATOS IT SOLUTIONS AND SERVICES LIMITED | — | — | 0 |
| AS41736IE | NovaNetworks-AS Digiweb ltd | — | — | 0 |
| AS205587IE | WEBWORLD-BROADBAND-AS Sternforth Ltd. trading as WebWorld | — | — | 0 |
| AS56638IE | J2-IRE-AS j2 Global Ireland Limited | — | — | 0 |
| AS200948IE | Linesight-Public Rolbay ULC | — | — | 0 |
| AS39157IE | WESTERNUNION-DUB-IE Western Union International Limited | — | — | 0 |
| AS214055IE | COMREG Commission for Communications Regulation (ComReg) | — | — | 0 |
| AS214747IE | mongodb MongoDB Limited | — | — | 0 |
| AS218846IE | DUNDNS DUNDNS LIMITED | — | — | 0 |
| AS216133IE | cloudcn Cloud Communication & Networks LTD | — | — | 0 |
| AS214355IE | MMSOFT-ASN MMSOFT Design Limited | — | — | 0 |
| AS211054IE | ARISTA-EU Arista Networks Limited | 256 | 1 | 2 |
| AS31411IE | ORG-ICGP1-RIPE-AS Irish Continental Group Plc. | 256 | — | 1 |
| AS41238IE | DAA-AS-1 DAA PLC | 256 | — | 1 |