| AS48255 | Abtran-AS Abtran Limited. |
| AS44212 | ADELPHINET1-AS Adelphi Net1 Ltd |
| AS50032 | ADOBE-AS Adobe Systems Software Ireland Ltd |
| AS44786 | ADOBE-IRELAND-AS Adobe Systems Software Ireland Ltd |
| AS39111 | ADSI-AS Amazon Data Services Ireland Ltd |
| AS206695 | ADU3 AIRBNB IRELAND ULC |
| AS198260 | AFILIAS-AMS2 Identity Digital Limited |
| AS207266 | AFiLIAS-SECONDARY-DNS Identity Digital Limited |
| AS16282 | AIB-AS-1 Allied Irish Banks PLC |
| AS206132 | AIL-EDC-AS ABBOTT RAPID DX INTERNATIONAL LIMITED |
| AS29644 | AIRSPEED-AS AIRSPEED COMMUNICATIONS UNLIMITED COMPANY |
| AS211232 | AIRWAVE2 Lackabeha Services Ltd. |
| AS196737 | AIRWAVE Airwave Internet |
| AS42227 | AIRWIRE-AS Airwire Ltd |
| AS24784 | ALPHYRA Payzone Group Unlimited Company |
| AS8987 | Amazon Data Services Ireland Ltd |
| AS47931 | APSI-ASN1 Agora Publishing Services (Ireland) Limited |
| AS211200 | Aptriva Aptriva Ltd |
| AS49567 | APTUS-AS Aptus Ltd |
| AS57791 | ARDEN-AS Arden Broadband Ltd |
| AS211054 | ARISTA-EU Arista Networks Limited |
| AS2110 | AS-BTIRE BT Communications Ireland Limited |
| AS201310 | AS_DPD Interlink Ireland Ltd |
| AS201111 | AS_FINTRAX Planet Payment Group Holdings Limited |
| AS44196 | ASN-AS44196 Edward Campbell |
| AS216153 | AS_NBI_IRE NBI INFRASTRUCTURE DESIGNATED ACTIVITY COMPANY |
| AS60888 | ASN-TITANIA Titania Networks Limited |
| AS203754 | asphonepulse Phone Pulse Ltd |
| AS213483 | ASTRIVE-AS ASTRIVE X LTD |
| AS210568 | ATHORA-DE Athora Ireland Services Limited |
| AS208116 | ATHORA-IE Athora Ireland Services Limited |
| AS49221 | atlantek Atlantek Computers Teoranta Ltd |
| AS28867 | Atos-IT-Solutions-and-Services-Ireland-AS ATOS IT SOLUTIONS AND SERVICES LIMITED |
| AS9059 | AWS-EU-AS Amazon Data Services Ireland Ltd |
| AS214973 | axst-io Apex Strata Ltd |
| AS210045 | BC-AS Blackrock Clinic Unlimited Company |
| AS213991 | BCG2-AS Barclays Bank lreland PLC |
| AS47446 | BCG-AS Barclays Bank lreland PLC |
| AS57052 | BIOWAREONLINEEU1 ELECTRONIC ARTS IRELAND LIMITED |
| AS49766 | BITBUZZ-AS Virgin Media Ireland Limited |
| AS200363 | BK-AS Blacknight Internet Solutions Limited |
| AS215733 | BKBB Blacknight Internet Solutions Limited |
| AS39122 | BLACKNIGHT-AS Blacknight Internet Solutions Limited |
| AS204990 | bluecloud Dirk Webbeler Enterprises Limited trading as Blue Technologies Ltd. & Co. KG |
| AS39233 | Blueface Blue Face Ltd. |
| AS203366 | bmcsaas-ams BMC Software Ireland Limited |
| AS211469 | bmcsaas-zwl BMC Software Ireland Limited |
| AS205189 | BOIGROUP BANK OF IRELAND GROUP PUBLIC LIMITED COMPANY |
| AS202148 | BOYLESPORTS-AS BoyleSports 2 Unlimited Company |
| AS51046 | BRINGOIE Bringo Limited |
| AS62168 | BROIGHTER Broighter Networks Limited |
| AS201255 | BSB-AS BS&B Safety Systems Limited |
| AS24622 | BT-BOI BT Communications Ireland Limited |
| AS12388 | Cablesurf Virgin Media Ireland Limited |
| AS206723 | CARNSOREBROADBAND Carnsore Broadband Limited |
| AS8918 | CARRIER1-AS Coolwave Communications Limited |
| AS61314 | CBoI-AS Central Bank of Ireland |
| AS213231 | celko CELKO LIMITED |
| AS215440 | CELLUSYS Cellusys Limited |
| AS201607 | CELTIC-AS Celtic Broadband Limited |
| AS47417 | CELTRAK-AS Trane Technologies International Limited |
| AS62017 | CGATE-AS Commercegate Ireland LTD |
| AS203060 | cimpress Cimpress Ireland Limited |
| AS47720 | CIX-AS CORK INTERNET EXCHANGE LIMITED |
| AS205481 | clarewifi Clare Wifi Networks Limited |
| AS212493 | ClearWave ClearWave LTD |
| AS216133 | cloudcn Cloud Communication & Networks LTD |
| AS41883 | CNT-AS Vodafone Ireland Limited |
| AS209312 | COMPASS-AS Compass Education Holdings Limited |
| AS208768 | ConstV6 Constantine Evans |
| AS44384 | crossan Crossan CableComm Ltd |
| AS61194 | CTIGLOBAL-IE EKCO CLOUD IRELAND LIMITED |
| AS12372 | Cubic-Telecom Cubic Telecom Limited |
| AS209506 | CushNet Stephen Cushen |
| AS41238 | DAA-AS-1 DAA PLC |
| AS205437 | dawnmeats Dawn Meats Group Unlimited Company |
| AS59915 | DELL-SOFTWARE-BLK Dell Products (Private Unlimited With Share Capital) |
| AS48342 | Deloitte-And-Touche-Irl Deloitte & Touche |
| AS60229 | DEMONWARE Demonware Limited |
| AS211024 | devplayer0 Jack O'Sullivan |
| AS199588 | DHDA Digital Hub Development Agency |
| AS198046 | DIDWW-AMS-AS DIDWW Ireland Limited |
| AS51865 | DIDWW-AS DIDWW Ireland Limited |
| AS201783 | DIDWW-HK-AS DIDWW Ireland Limited |
| AS212893 | DIDWW-LA-AS DIDWW Ireland Limited |
| AS199170 | DIDWW-MI-AS DIDWW Ireland Limited |
| AS207319 | DIDWW-SG-AS DIDWW Ireland Limited |
| AS41265 | DIGITALRIVER-IE-ASN02 Digital River Ireland Ltd. |
| AS31122 | DIGIWEB-AS Digiweb ltd |
| AS204882 | DNOLAN-AS DENIS NOLAN |
| AS211638 | DNW-AS David Freyne |
| AS213463 | DPWORLD DP World Logistics Ireland ULC |
| AS41680 | DSI-CORK-AS 8 WEST REVOLUTION TECHNOLOGIES LIMITED |
| AS15405 | EASTCORK-AS East Cork Broadband Limited |
| AS41214 | EBS EBS Limited |
| AS205789 | eden-net Eden Uhde |
| AS206704 | EDN1 AIRBNB IRELAND ULC |
| AS5466 | EIRCOM Eircom Limited |
| AS30864 | Elavon-Financial-Services-DAC_AS Elavon Financial Services DAC |
| AS207044 | ENET-AS Enet Telecommunications Networks Limited |
| AS213576 | ERTIUS-NET Robert Weir |
| AS209285 | ESB Electricity Supply Board |
| AS212312 | EXIGENT Exigent Network Integration Ltd |
| AS49416 | EXWEST Exchange West |
| AS199873 | EZETOP Ezetop Unlimited Company ULC |
| AS39449 | FASTCOM-AS Fastcom Broadband Limited |
| AS42342 | FDI-DUB-IE Fiserv Solutions (Europe) Limited |
| AS51516 | Fexco Fexco Unlimited Company |
| AS50088 | FITL-IE Fort Information Technologies Ltd |
| AS206514 | FREEMESH-IE Freemesh |
| AS49406 | FWI Fast Wireless Internet Ltd |
| AS214611 | Gcloud Google Cloud EMEA Ltd |
| AS206290 | GrahamHayes Graham Hayes |
| AS202899 | GW-POL Guidewire Software (Ireland) Limited |
| AS13280 | H3GIE Three Ireland (Hutchison) limited |
| AS34218 | H3GIE Three Ireland (Hutchison) limited |
| AS1213 | HEANET HEAnet CLG |
| AS42326 | hertzire-as HERTZ EUROPE SERVICE CENTRE LIMITED |
| AS51677 | HETG-AS Hibernia Services Limited |
| AS56410 | HOST-IRELAND-AS Leeson Telecom Holdings Ltd |
| AS214388 | HZGL HZGL OU |
| AS25441 | IBIS-AS Imagine Communications Group Limited |
| AS42310 | IEDR IE Domain Registry CLG |
| AS34815 | IE-GEC-AS Dublin Enterprise & Technology Centre Limited |
| AS207127 | IE-HSL-01 Intergraph Process Power and Marine Ireland Limited |
| AS200947 | IE-ROYALDUBLINSOCIETY-20141223 Royal Dublin Society |
| AS35424 | IE-TAXBACK-20190219 FINTUA LIMITED |
| AS34912 | IFN-AS Vodafone Ireland Limited |
| AS201614 | IIU-AS International Investment and Underwriting Unlimited Company |
| AS43192 | imedia-AS Ajisko Ltd t/a Integrated Media Solutions |
| AS206422 | in2tel-bt 8x8 Communications CX Solutions LIMITED |
| AS199687 | in2tel-db3 8x8 Communications CX Solutions LIMITED |
| AS209975 | INCA-AS Edward Campbell trading as INCA |
| AS42953 | INEX-CORK Internet Neutral Exchange Association Company Limited By Guarantee |
| AS2128 | INEX Internet Neutral Exchange Association Company Limited By Guarantee |
| AS43760 | INEX-RS Internet Neutral Exchange Association Company Limited By Guarantee |
| AS203262 | INNOVATEBT-AS Innovate Business Technology Ltd |
| AS3286 | IOL BT Communications Ireland Limited |
| AS50326 | IPTELECOM-AS INTERNET PROTOCOL TELECOM LTD |
| AS197853 | IrishTelcom Digiweb ltd |
| AS200565 | IVERTEC Ivertec Ltd |
| AS199027 | J2-GLOBAL-IRELAND j2 Global Ireland Ltd |
| AS56638 | J2-IRE-AS j2 Global Ireland Limited |
| AS205653 | Jumpshot NortonLifeLock Ireland Limited |
| AS216302 | kaminot Kaminot Limited |
| AS207662 | KatieChapman Benjamin Chapman |
| AS199346 | KBB-AS Kerry Broadband Ltd |
| AS197957 | KERBB Ker Broadband Communications Ltd |
| AS213040 | KEYBUS-LTD Keybus Ltd |
| AS24675 | LGCSB-AS Irish Government |
| AS43406 | LIGHTHOUSE-AS Lighthouse Networks Limited |
| AS200948 | Linesight-Public Rolbay ULC |
| AS206824 | Linhua-Tang Linhua Tang |
| AS213128 | LINK-Broadband-Ltd LINK Broadband Limited |
| AS60499 | LINX Opt1mize Technologies Limited |
| AS35262 | LLLL 4L Communications Ltd |
| AS210680 | locotorpi Jurgita Jurgaitiene trading as LOCOTORPI |
| AS211439 | locotorpi Jurgita Jurgaitiene trading as LOCOTORPI |
| AS208114 | Lorenzo Lorenzo Battilocchi |
| AS41208 | MAGECOM-NET-as Adobe Systems Software Ireland Ltd |
| AS215684 | magic-net Magic Particle Limited |
| AS34245 | MAGNET-AS Magnet Networks Limited |
| AS47443 | MAGNET-NEWORKS-UK Magnet Networks Limited |
| AS60214 | MAINTS Maints Limited |
| AS207885 | malissa Pui-Hin Vincent Lee |
| AS213368 | MarcoBox Marco Ciotola |
| AS213236 | MARCOGROSSI Marco Grossi |
| AS15751 | METEORMOBILECOMMS-AS Meteor Mobile Communications Limited |
| AS212925 | Miguel-Landaeta Miguel Landaeta |
| AS209924 | MLBLTD-AS MLB Limited |
| AS56767 | MLNET-AS Zirdai Limited |
| AS214355 | MMSOFT-ASN MMSOFT Design Limited |
| AS60110 | ModelTelecom Model Telecom Ltd |
| AS42213 | MPIL-AS-1 Mallinckrodt Pharmaceuticals Ireland Ltd |
| AS135343 | MPL-AS-AP Magic Particle Limited |
| AS206663 | MTS-MEDIA MTS Media Ltd |
| AS205743 | munster Munster Wireless Ltd. |
| AS48970 | NATUSIE Natus Manufacturing Limited |
| AS62431 | NCSC-IE-AS National Cyber Security Centre |
| AS1197 | NETWORKABILITY Network Ability Limited |
| AS206998 | NEW-2 NEW RELIC INTERNATIONAL LIMITED |
| AS41602 | NH7-AS Nicholas William Hilliard |
| AS47680 | NHCS EOBO Ltd T/A BBnet |
| AS48305 | NORAINA-EU Noraina Ltd |
| AS39485 | NORTHWEST-AS Northwest Broadband Connect Ltd. |
| AS41736 | NovaNetworks-AS Digiweb ltd |
| AS50883 | NTHILL-AS Ninetreehill Broadband Ltd |
| AS199373 | NW-AS E-Search DAC |
| AS202823 | OFFICEIT Office IT Ltd. |
| AS198528 | OGN-RU ORANGE BUSINESS COMMUNICATIONS TECHNOLOGY LIMITED |
| AS199336 | OneCloud-DC Vmware International Unlimited Company |
| AS48150 | OPENWIFI Open Wi-Fi Ltd |
| AS2647 | ORANGE-BUSINESS-NAM ORANGE BUSINESS COMMUNICATIONS TECHNOLOGY LIMITED |
| AS31411 | ORG-ICGP1-RIPE-AS Irish Continental Group Plc. |
| AS15806 | ORG-IG30-RIPE Irish Government |
| AS60155 | OrionDigtalServicesAS Orion Digital Services Ltd. |
| AS56878 | ORIXCOM-IE Orixcom Limited |
| AS60924 | ORIXCOM Orixcom Limited |
| AS44348 | ORIXCOM-UK Orixcom Limited |
| AS50813 | PAY-AND-SHOP-LIMITED-AS PAY AND SHOP LIMITED |
| AS51173 | PBB Premier Data Networks LTD |
| AS48142 | permanetAS Briarwood Technology Ltd |
| AS41607 | PMNet PROJECT MANAGEMENT LIMITED |
| AS44815 | POCKETKINGS-AS TSG INTERACTIVE SERVICES (IRELAND) LIMITED |
| AS199559 | Polarlake Bloomberg Data Management Services Limited |
| AS61054 | PPOL-AS Power Leisure Bookmakers Limited |
| AS39849 | PTX-AS U.S. Bank Europe DAC |
| AS56778 | PURETELECOM-IE-NET Pure Telecom Ltd |
| AS39319 | QZE QuestZones (Europe) Limited |
| AS199200 | RADIOTWOTHOUSAND Bauer Audio Ireland Limited trading as Bauer Media Audio Ireland LP |
| AS42090 | RAPIDBB Rapid Broadband Ltd |
| AS61145 | Realbroadbandcom Real Broadband Ltd |
| AS201286 | REDHAT Red Hat Ltd |
| AS47941 | REDHAT Red Hat Ltd |
| AS214609 | redtec-2 Google Cloud EMEA Ltd |
| AS47942 | REGB-AS Regional Telecom Ltd |
| AS206309 | Regeneron-AS REGENERON IRELAND DESIGNATED ACTIVITY COMPANY |
| AS35226 | Ripplecom-AS Digiweb ltd |
| AS200946 | RSA-AS EMC Information Systems International PUC |
| AS41073 | RTE Raidio Teilifis Eireann |
| AS8945 | SCANANDTARGET TWITTER INTERNATIONAL UNLIMITED COMPANY |
| AS206746 | SCCBROADBAND-AS SCC BROADBAND LIMITED |
| AS200186 | seith-it-htznr-dc1 SEITH IT CONSULTING LIMITED |
| AS60751 | ServeByte ServeByte Ltd |
| AS15612 | SERVECENTRIC ServeCentric Ltd. |
| AS31128 | SHAZAM-AS APPLE DISTRIBUTION INTERNATIONAL LTD. |
| AS205088 | ShellNet XIAOKANG WANG |
| AS48406 | SIEMENS-INDUSTRY-SOFTWARE-ARMENIA Siemens Industry Software Limited |
| AS34778 | SIEMENS-INDUSTRY-SOFTWARE-EGYPT Siemens Industry Software Limited |
| AS43484 | Siemens-Industry-Software-Limited-Europe Siemens Industry Software Limited |
| AS44451 | SKYTEL-AS Digiweb ltd |
| AS200807 | sleepless-ie-as Sleepless Server Solutions Ltd. |
| AS198836 | SMARTBOXEXPERIENCE Smartbox Experience Limited |
| AS31458 | SmartTelecom-AS Digiweb ltd |
| AS59769 | SMBCAC-IE-AS SMBC Aviation Capital Limited |
| AS200046 | SmythCablevision Smyths Audio and Video Systems Ltd. |
| AS47115 | SNAPLOCAL HARVEY SOFTWARE SYSTEMS LTD |
| AS47870 | SNCR-ASN SYNCHRONOSS SOFTWARE IRELAND, LTD |
| AS16171 | STRENCOM Fulnett Limited |
| AS200824 | SUSQ-IRE Susquehanna International Group Ltd |
| AS35289 | Symantec-Corp NortonLifeLock Ireland Limited |
| AS60277 | Telcom-01 Agility Communications Limited |
| AS205494 | THOMASBOLGER-AS Thomas John Bolger |
| AS43984 | THRPP-AS Plannet21 Communications Ltd |
| AS205282 | tilda-ie-1 Tilda Publishing Ltd. |
| AS214744 | tildapublishing-kz-1 Tilda Publishing Ltd. |
| AS204458 | TotalWireless_AS Hispeed Wireless Broadband Ltd |
| AS204536 | tsfy TSFY Ltd |
| AS205967 | TTS-IE-AS Sleepless Server Solutions Ltd. |
| AS47490 | TuxBox-AS TuxBox |
| AS2850 | University-College-Dublin University College Dublin |
| AS215045 | upmc-hrvzcc UPMC GLOBAL OPERATIONS CENTER LIMITED |
| AS213849 | upmc-irlssc UPMC GLOBAL OPERATIONS CENTER LIMITED |
| AS199326 | VEIGLOBAL Voice Engineer Ireland Limited |
| AS9055 | Verizon Ireland Limited |
| AS200500 | Vesta-DUB Vesta Payment Solutions Limited |
| AS41973 | VHI-AS Vhi Healthcare DAC |
| AS29650 | VIATELAS-AS Digiweb ltd |
| AS35068 | VIRTU-FINANCIAL Virtu Financial Ireland Limited |
| AS201918 | VMOTION VMotion IT Solutions LTD |
| AS207726 | VMW-AMS04 Vmware International Unlimited Company |
| AS199323 | VMW-BCN01 Vmware International Unlimited Company |
| AS203239 | VMW-BG Vmware International Unlimited Company |
| AS211129 | VMW-CDG1 Vmware International Unlimited Company |
| AS198553 | VMW-DXB01 Vmware International Unlimited Company |
| AS198625 | VMW-EVN01 Vmware International Unlimited Company |
| AS197953 | VMW-IE Vmware International Unlimited Company |
| AS201428 | VMW-LHR01 Vmware International Unlimited Company |
| AS209449 | VMW-LHR06 Vmware International Unlimited Company |
| AS211086 | VMW-LIN02 Vmware International Unlimited Company |
| AS199368 | VMW-MAD01 Vmware International Unlimited Company |
| AS209676 | VMW-MUC2 Vmware International Unlimited Company |
| AS197822 | VMW-ROM01 Vmware International Unlimited Company |
| AS198555 | VMW-SVQ01 Vmware International Unlimited Company |
| AS208539 | VMW-TLV01 Vmware International Unlimited Company |
| AS15502 | Vodafone-Ireland-ASN Vodafone Ireland Limited |
| AS203381 | VOIPANDIS Voip and Internet Services ltd |
| AS6812 | VS-VGN-EMEA EMC Information Systems International PUC |
| AS204597 | WAYFAIR Wayfair Stores Ltd |
| AS62455 | WBB-AS Digiweb ltd |
| AS198993 | WD-AMS Workday Limited |
| AS200451 | WD-DUBIT Workday Limited |
| AS12415 | Weblink Telecom Ltd |
| AS30900 | WEBWORLD-AS Sternforth Ltd. trading as WebWorld |
| AS205587 | WEBWORLD-BROADBAND-AS Sternforth Ltd. trading as WebWorld |
| AS200562 | Welltel-IE Welltel (Ireland) Ltd |
| AS39157 | WESTERNUNION-DUB-IE Western Union International Limited |
| AS215477 | WESTERNUNION-FRA-DE Western Union International Limited |
| AS39093 | WestNet-IE WESTNET BROADBAND MAYO LIMITED |
| AS198812 | WHITELAKE Whitelake Communications Limited |
| AS201000 | WHIZZY-FTTX Js Whizzy Internet Limited |
| AS62129 | wirelessconnect16 Wireless Connect Ltd. |
| AS198301 | WKD-AS Workday Limited |
| AS212028 | WU-LT Western Union International Limited |
| AS43515 | YOUTUBE Google Ireland Limited |
| AS206577 | ZARIOT Cellusys IoT Limited |
| AS61186 | ZENDESK-INTL Zendesk International Limited |
| AS204210 | ZEUSPACKAGINGLTD Zeus Packaging Limited |