Autonomous system
AS5466 EIRCOM Internet House
Mobile ARIN
Summary
eir (Ireland)
isp mobile eyeball backbone
eir (EIRCOM) — Ireland's incumbent telecom operator, providing fixed broadband, landline, and mobile services. Formerly Eircom / Telecom Éireann.
What it's used for
- Fixed broadband and phone for Irish homes and businesses, plus mobile data (4G/5G) under the eir and GoMo brands.
Notable
- A large "eyeball" network — addresses are consumer home connections and mobile devices, often behind carrier-grade NAT.
- The national incumbent, owner of much of Ireland's copper and fibre access network, competing with Vodafone Ireland and Three Ireland.
Interesting
- The former state monopoly Telecom Éireann, privatized and renamed several times before settling on the eir brand in 2015.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
Recorded at 3 exchanges in 3 countries, largest first.
| Exchange | Location | Their address |
|---|---|---|
| LINX LON1 | London, United Kingdom | 195.66.224.14 |
| AMS-IX Amsterdam | Amsterdam, Netherlands | 80.249.208.160 |
| Internet Neutral Exchange Association CLG - LAN1 | Dublin, Ireland | 185.6.36.82 |
Transit providers
29 upstream, 14 downstream and 64 adjacent networks observed; most-used upstreams first.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-16, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 32 prefixes · 1.11M addresses IPv6 3 prefixes
| Country | Name | Prefixes |
|---|---|---|
| IE | Ireland | 35 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS5466- Registry name
- EIRCOM
- Registrant
- Eircom Limited
- Abuse contact
- ripe-support@eir.ie
- Registered
- 2002-09-13
- Last changed
- 2025-01-13
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 89% valid · 25 valid, 3 with no ROA
- ROAs
- 33 authorising AS5466
- ASPA
- no ASPA record
- IRR
- 100% registered · 28 of 28 announcements
- Route objects
- 51 naming AS5466
Reputation
Classification and threat
Mobile Cellular carrier. Addresses are shared by many handsets via CGNAT.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 442 networks and 1,783 prefixes, as published 2026-10-17. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere