AS2110 — AS-BTIRE BT Ireland was previously known as Esat Net, EUnet Ireland & IEUnet.

Network type: residential

AS2110 announces 50 IPv4 prefixes covering 243,456 addresses and 1 IPv6 prefixes.

About this network

The Irish network of BT (AS-BTIRE), which grew out of a lineage of pioneering Irish providers: IEUnet, EUnet Ireland, and Esat Net.

What it's used for

• Broadband, business connectivity, and transit across Ireland as part of BT Group.

Notable

• A large eyeball and enterprise network, not a small hosting operation.

Interesting

• The lineage traces to IEUnet, one of Ireland's first commercial internet providers in the early 1990s, which explains the low AS number.

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

Announced prefixes

• 78.16.0.0/16
• 92.39.176.0/20
• 141.11.253.0/24
• 185.146.180.0/22
• 185.215.108.0/22
• 192.56.21.0/24
• 192.111.39.0/24
• 193.95.128.0/18
• 193.120.0.0/20
• 193.120.16.0/24
• 193.120.18.0/23
• 193.120.20.0/23
• 193.120.23.0/24
• 193.120.24.0/21
• 193.120.32.0/21
• 193.120.42.0/23
• 193.120.44.0/22
• 193.120.48.0/22
• 193.120.53.0/24
• 193.120.54.0/24
• 193.120.56.0/21
• 193.120.64.0/19
• 193.120.96.0/23
• 193.120.99.0/24
• 193.120.100.0/22
• 193.120.104.0/21
• 193.120.112.0/20
• 193.120.128.0/19
• 193.120.160.0/24
• 193.120.162.0/23
• 193.120.166.0/23
• 193.120.168.0/21
• 193.120.176.0/20
• 193.120.192.0/20
• 193.120.208.0/21
• 193.120.217.0/24
• 193.120.218.0/23
• 193.120.220.0/22
• 193.120.224.0/19
• 193.203.128.0/19
• 194.46.192.0/18
• 194.125.0.0/17
• 194.145.128.0/21
• 194.165.160.0/19
• 212.2.160.0/20
• 212.2.176.0/21
• 212.2.184.0/23
• 212.2.186.0/24
• 212.2.188.0/22
• 213.202.128.0/18
• 2001:7c8::/29

Upstream networks

• AS5400 British Telecommunications Limited
• AS6939 Hurricane Electric LLC
• AS9002 RETN Limited
• AS3303 Swisscom (Schweiz) AG
• AS6461 Zayo Bandwidth

Downstream networks

• AS199346 Kerry Broadband Ltd
• AS51677 Hibernia Services Limited
• AS212312 Exigent Network Integration Ltd
• AS35424 FINTUA LIMITED
• AS53927 ACI Worldwide, Inc.
• AS2128 Internet Neutral Exchange Association Company Limited By Guarantee
• AS48255 Abtran Limited.
• AS216153 NBI INFRASTRUCTURE DESIGNATED ACTIVITY COMPANY
• AS24675 Irish Government
• AS42090 Rapid Broadband Ltd
• AS204597 Wayfair Stores Ltd
• AS206309 REGENERON IRELAND DESIGNATED ACTIVITY COMPANY
• AS14297 ACI Worldwide, Inc.

Adjacent networks

• AS5400 British Telecommunications Limited
• AS6939 Hurricane Electric LLC
• AS9002 RETN Limited
• AS199346 Kerry Broadband Ltd
• AS51677 Hibernia Services Limited
• AS212312 Exigent Network Integration Ltd
• AS35424 FINTUA LIMITED
• AS53927 ACI Worldwide, Inc.
• AS2128 Internet Neutral Exchange Association Company Limited By Guarantee
• AS3303 Swisscom (Schweiz) AG
• AS216153 NBI INFRASTRUCTURE DESIGNATED ACTIVITY COMPANY
• AS48255 Abtran Limited.
• AS24675 Irish Government
• AS42090 Rapid Broadband Ltd
• AS204597 Wayfair Stores Ltd
• AS206309 REGENERON IRELAND DESIGNATED ACTIVITY COMPANY
• AS14297 ACI Worldwide, Inc.
• AS6461 Zayo Bandwidth

Internet exchanges

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