AS209285 — ESB Electricity Supply Board

AS209285 announces 1 IPv4 prefixes covering 1,024 addresses and 0 IPv6 prefixes.

About this network

The AS handle ESB is held by Electricity Supply Board.

What it's used for

• The address space carries corporate infrastructure for the Irish state-owned electricity utility, as indicated by the netname IE-ESB-20190219 and registrant Electricity Supply Board.
• The network announces 1024 IPv4 addresses across 1 prefix (45.67.188.0/22) with 3 observed neighbours, a ratio consistent with a small internal corporate estate rather than a transit or access provider.
• Traffic from this AS consists of internal corporate systems, office workers, and utility operations for ESB, which manages generation, transmission, and distribution of electricity in Ireland.

Notable

• The registrant Electricity Supply Board matches the AS holder and netname, confirming consistent ownership.
• ESB is a vertically integrated utility established in 1927, operating across the electricity market in Ireland.
• The inventory consists of a single /22 block, indicating a compact and focused address allocation for corporate use.

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

Announced prefixes

• 45.67.188.0/22

Upstream networks

• AS198949 Radware Ltd
• AS6830 Liberty Global Europe Holding B.V.
• AS34245 Magnet Networks Limited

Adjacent networks

• AS198949 Radware Ltd
• AS6830 Liberty Global Europe Holding B.V.
• AS34245 Magnet Networks Limited

Routing security

• RPKI: 0 valid, 0 invalid and 7 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 14% of announcements registered; 1 route objects.
• Listed in as-sets: AS-EIRCOM, AS-MAGNETCUST, AS198949:AS-SD, AS6830:AS-VMIE.