Ireland
Top organizations
| Organization | IPs | Ranges |
|---|---|---|
| Amazon.com, Inc. | 4.54M | 100 |
| Asiera Technology Services Clg | 3.55M | 59 |
| Eir Broadband | 1.13M | 49 |
| Microsoft Corporation | 733.2K | 20 |
| Vodafone Ireland Limited | 512.3K | 26 |
| Liberty Global Europe Holding B.V. | 507.1K | 30 |
| Sky UK Limited | 334.8K | 9 |
| Facebook, Inc. | 266.2K | 5 |
| Enet Communications LIMITED | 243.5K | 50 |
| Digiweb ltd | 226.6K | 53 |
| MongoDB, Inc. | 217.1K | 6 |
| University College Dublin | 196.1K | 17 |
| Three Ireland (Hutchison) limited | 152.8K | 26 |
| Verizon Business | 138.8K | 22 |
| ORANGE BUSINESS SERVICES U.S. Inc. | 131.3K | 3 |
| Magnet Networks Limited | 105.2K | 18 |
| Imagine Communications Group Limited | 103.9K | 13 |
| COLT Technology Services Group Limited | 69.6K | 2 |
| RCN | 49.2K | 2 |
| Blacknight Internet Solutions Limited | 34.8K | 27 |
| Akamai Technologies, Inc. | 33.3K | 18 |
| M247 Europe SRL | 31.7K | 40 |
| Yahoo-UK Limited | 30.7K | 17 |
| Fulnett Limited | 26.6K | 6 |
| Equinix (EMEA) Acquisition Enterprises B.V. | 26.4K | 13 |
Top ASNs
| ASN | Name | IPs |
|---|---|---|
| AS16509 | Amazon.com, Inc. | 4.54M |
| AS1213 | Asiera Technology Services Clg | 3.55M |
| AS5466 | Eir Broadband | 1.10M |
| AS8075 | Microsoft Corporation | 722.4K |
| AS6830 | Liberty Global Europe Holding B.V. | 507.1K |
| AS15502 | Vodafone Ireland Limited | 501.8K |
| AS5607 | Sky UK Limited | 334.8K |
| AS32934 | Facebook, Inc. | 266.2K |
| AS2110 | Enet Communications LIMITED | 243.2K |
| AS8011 | MongoDB, Inc. | 217.1K |
| AS31122 | Digiweb ltd | 199.4K |
| AS2850 | University College Dublin | 196.1K |
| AS13280 | Three Ireland (Hutchison) limited | 152.8K |
| AS702 | Verizon Business | 138.5K |
| AS51964 | ORANGE BUSINESS SERVICES U.S. Inc. | 131.3K |
| AS34245 | Magnet Networks Limited | 105.2K |
| AS25441 | Imagine Communications Group Limited | 103.9K |
| AS8220 | COLT Technology Services Group Limited | 69.6K |
| AS6079 | RCN | 49.2K |
| AS9009 | M247 Europe SRL | 31.7K |
| AS16625 | Akamai Technologies, Inc. | 31.7K |
| AS34010 | Yahoo-UK Limited | 30.7K |
| AS29650 | Digiweb ltd | 27.1K |
| AS39122 | Blacknight Internet Solutions Limited | 27.1K |
| AS16171 | Fulnett Limited | 26.6K |
Regions / states / provinces
Network composition
How Ireland's allocated IPv4 space breaks down by operator type, regional registry, and block size.
| Category | IPv4 | Share |
|---|---|---|
| Enterprise | 5.98M |
67.0%
|
| ISP / Telecom | 1.80M |
20.1%
|
| Mobile | 659.2K |
7.4%
|
| Hosting / Cloud | 268.0K |
3.0%
|
| Academic / Research | 196.1K |
2.2%
|
| Government | 26.4K |
0.3%
|
| CDN | 2.0K |
0.0%
|
| Registry | IPv4 | Share |
|---|---|---|
| ARIN | 9.60M |
51.7%
|
| RIPE NCC | 8.76M |
47.2%
|
| APNIC | 155.2K |
0.8%
|
| LACNIC | 44.3K |
0.2%
|
| AFRINIC | 12.1K |
0.1%
|
Routing & security
Live BGP routing footprint for Ireland from our global collectors, with RPKI route-origin validation coverage.
RPKI-valid % = announced prefixes with a matching Route Origin Authorization. Live routing →
Web3 footprint
Ireland hosts 83 observed decentralized-network nodes across 3 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.
Reverse-DNS, threat intelligence & internet health
How much of Ireland's address space resolves to a hostname, how much appears on public threat blocklists, how widely the population is online, and independent signals of censorship and outages.
Reverse-DNS + threat-blocklist footprint from our own scanning & 8 threat-intel feeds. Internet adoption from the World Bank; censorship measurements from OONI; outage detection from IODA / Georgia Tech; connection speed from Cloudflare Radar.
Frequently Asked Questions
How many IPv4 addresses are allocated to Ireland?
Ireland has 18,576,214 IPv4 addresses allocated across 5,708 network ranges. These allocations are managed by regional internet registries and assigned to organizations operating within the country.
What are the largest internet providers in Ireland?
The top organizations in Ireland by IP allocation include the major ISPs, hosting providers, and enterprises listed above. These 50 organizations collectively manage the majority of the country's IPv4 address space.
How many ASNs operate in Ireland?
Ireland has 50 or more registered Autonomous Systems. Each ASN represents an independently routed network, such as an ISP, cloud provider, or enterprise network.
What continent is Ireland in?
Ireland is located in Europe. IP address allocations in this region are managed by RIPE NCC.
