AS56410 — HOST-IRELAND-AS Leeson Telecom Holdings Ltd

Network type: residential

AS56410 announces 21 IPv4 prefixes covering 17,920 addresses and 1 IPv6 prefixes.

About this network

HOST-IRELAND-AS is operated by Leeson Telecom Holdings Ltd, trading as Host Ireland.

What it's used for

• The address space carries residential and business internet access, evidenced by the registrant netnames IE-LTH- and the reverse DNS record remote.nfc.ie.
• The AS announces 17,920 IPv4 addresses across 21 prefixes and 1 IPv6 prefix, with 19 observed neighbours, indicating a regional access provider role.
• Traffic from this AS consists of subscriber eyeballs for cable and DSL services in Ireland, as identified by PeeringDB classifying the operator as a Cable/DSL/ISP.

Notable

• All registrants for the largest prefixes are consistent, listing Host Ireland IP Network Operations, Leeson Telecom Holdings Ltd, and LEESON NOC.
• The address inventory is composed of numerous /22 and /24 blocks, reflecting a fragmented but cohesive internal corporate estate for a regional ISP.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 5.149.168.0/21
• 45.137.184.0/22
• 45.158.112.0/22
• 62.146.164.0/22
• 80.190.0.0/22
• 81.173.12.0/22
• 91.216.236.0/24
• 91.216.241.0/24
• 93.119.24.0/22
• 144.2.240.0/21
• 159.253.224.0/22
• 185.32.152.0/22
• 185.57.100.0/22
• 185.122.132.0/22
• 185.156.196.0/22
• 193.120.22.0/24
• 193.120.40.0/23
• 193.120.55.0/24
• 193.120.164.0/23
• 217.115.121.0/24
• 217.115.124.0/24
• 2a04:b00::/29

Upstream networks

• AS8220 COLT Technology Services Group Limited
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS35280 F5 Networks SARL
• AS6461 Zayo Bandwidth
• AS9002 RETN Limited

Downstream networks

• AS34815 Dublin Enterprise & Technology Centre Limited
• AS204210 Zeus Packaging Limited
• AS202823 Office IT Ltd.

Adjacent networks

• AS8220 COLT Technology Services Group Limited
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS34815 Dublin Enterprise & Technology Centre Limited
• AS204210 Zeus Packaging Limited
• AS35280 F5 Networks SARL
• AS202823 Office IT Ltd.
• AS6461 Zayo Bandwidth
• AS9002 RETN Limited

Routing security

• RPKI: 23 valid, 0 invalid and 0 not-found announcements; 24 ROAs.
• ASPA: none published.
• IRR: 96% of announcements registered; 22 route objects.
• Listed in as-sets: AS-BTIRE, AS1221:AS-CUSTOMERS, AS56410:AS-ALL.

Internet exchanges

• Internet Neutral Exchange Association CLG - LAN1 — Dublin, Ireland
• Internet Neutral Exchange Association CLG - LAN2 — Dublin, Ireland