🇮🇪 Ireland
Registry and organization country assignments can differ from the physical location of an IP. Snapshot: 2026-10-04.
10,022,208
Delegated IPv4 address slots
304
Registered ASNs
8
Hosting ASNs
497
Known VPN exit prefixes
Country reference
- ISO code
- IE
- Continent
- Europe
- Capital
- Dublin
- Currency
- EUR
- Calling code
- 353
- EU member
- Yes
- Delegated IPv6 address slots
- 87,309,465,313,864,790,393,814,800,924,672
Registry allocations
Allocated and assigned RIR prefixes; address slots are summed across records and may overlap.
| Registry | Prefixes | IPv4 slots | IPv6 slots |
|---|---|---|---|
| APNIC | 2 | 1,024 | 1,208,925,819,614,629,174,706,176 |
| ARIN | 4 | 1,024 | 0 |
| RIPE_NCC | 965 | 10,020,160 | 87,309,464,104,938,970,779,185,626,218,496 |
Major autonomous systems
Showing up to 200 of 304 ASNs assigned to this country, ranked by announced IPv4 prefix address slots. Overlapping announcements count separately.
| ASN | Organization | Category | IPv4 slots | IPv6 prefixes |
|---|---|---|---|---|
| AS1213 | ASIERA TECHNOLOGY SERVICES CLG | business | 1,843,200 | 1 |
| AS15502 | Vodafone Ireland Limited | business | 1,433,600 | 0 |
| AS5466 | Eircom Limited | business | 1,110,784 | 3 |
| AS43515 | Google Ireland Limited | hosting | 655,104 | 15 |
| AS2110 | Enet Communications LIMITED | isp | 508,672 | 7 |
| AS13280 | Three Ireland (Hutchison) limited | business | 242,176 | 0 |
| AS31122 | Digiweb ltd | business | 213,760 | 6 |
| AS25441 | Imagine Communications Group Limited | isp | 157,440 | 1 |
| AS34245 | Magnet Networks Limited | business | 122,880 | 2 |
| AS2850 | University College Dublin | education | 65,536 | 0 |
| AS15612 | ServeCentric Ltd. | business | 57,344 | 0 |
| AS16171 | Fulnett Limited | business | 46,336 | 1 |
| AS29650 | Digiweb ltd | business | 28,160 | 1 |
| AS39122 | Blacknight Internet Solutions Limited | hosting | 27,648 | 6 |
| AS211439 | Jurgita Jurgaitiene trading as LOCOTORPI | business | 27,648 | 0 |
| AS207044 | Enet Telecommunications Networks Limited | isp | 25,344 | 21 |
| AS8918 | Coolwave Communications Limited | isp | 25,088 | 0 |
| AS15751 | Eircom Limited | business | 24,832 | 2 |
| AS207266 | Identity Digital Limited | business | 21,248 | 83 |
| AS15806 | Irish Government | government | 20,736 | 1 |
| AS47720 | Cork Internet Exchange Limited | business | 19,968 | 3 |
| AS201000 | Js Whizzy Internet Limited | business | 19,712 | 6 |
| AS56410 | Leeson Telecom Holdings Ltd | isp | 19,200 | 1 |
| AS30900 | Sternforth Ltd. trading as WebWorld | hosting | 16,640 | 2 |
| AS214609 | Google Cloud EMEA Ltd | business | 16,384 | 1 |
Largest cities by reference population
GeoNames reference data; this is not a count of located IP addresses.
- Dublin · 1,024,027
- South Dublin · 301,075
- Cork · 224,004
- Limerick · 102,287
- Galway · 85,910
- Tallaght · 81,022
- Waterford · 60,079
- Drogheda · 44,135
- Dundalk · 43,112
- Swords · 40,776
Hosting counts use ASN organization classifications. VPN counts include distinct exit prefixes with a source-provided country seen within seven days of this snapshot; zero means no known evidence, not absence. Country and city references: GeoNames (CC BY 4.0).