AS2110 BT Ireland was previously known as Esat Net, EUnet Ireland & IEUnet.

AS2110 Summary

Regional Registry:

RIPE

Allocation Status:

Allocated

Allocation Date:

18^th November 1992

Allocated Country:

Traffic Estimation:

5-10Gbps

Traffic Ratio:

Mostly Inbound

Internet Exchanges:

2

Website:

http://www.btireland.net

Looking Glass :

http://lg.as2110.net

AS2110 Network

Contacts

• IPv4 Prefixes
• IPv6 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	78.16.0.0/14			78.16.0.0/14	RIPE
	185.90.76.0/24			185.90.76.0/22	RIPE
	185.90.77.0/24			185.90.76.0/22	RIPE
	185.146.180.0/22	BT Communications Ireland Limited		185.146.180.0/22	RIPE
	192.111.39.0/24	BT Communications Ireland Limited		192.111.39.0/24	RIPE
	193.95.128.0/18			193.95.128.0/18	RIPE
	193.120.0.0/16			193.120.0.0/16	RIPE
	193.203.128.0/19			193.203.128.0/19	RIPE
	194.46.192.0/18	BT Communications Ireland Limited		194.46.192.0/18	RIPE
	194.125.0.0/17	BT Communications Ireland Limited		194.125.0.0/20	RIPE
	194.145.128.0/21	BT Communications Ireland Limited		194.145.128.0/21	RIPE
	194.165.160.0/19			194.165.160.0/19	RIPE
	212.2.160.0/19	BT Communications Ireland Limited		212.2.160.0/19	RIPE
	213.202.128.0/18	BT Communications Ireland Limited		213.202.128.0/18	RIPE

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2001:7c8::/32	BT Communications Ireland Limited		2001:7c0::/29	RIPE
	2001:7c8::/29	BT Communications Ireland Limited		2001:7c0::/29	RIPE

• IPv4 Peers
• IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS5400		British Telecommunications PLC
	AS42090		Rapid Broadband Ltd
	AS9002		RETN Limited
	AS199256		Leeson Telecom Holdings Ltd
	AS13280		Three Ireland (Hutchison) limited
	AS16599	BENTLEY-SYSTEMS	Bentley Systems
	AS48342		Deloitte & Touche
	AS6939	HURRICANE	Hurricane Electric LLC
	AS200363		Blacknight Internet Solutions Limited
	AS3303		Swisscom (Switzerland) Ltd
	AS48255		Abtran Limited.
	AS4455		IX Reach Ltd
	AS6830		Liberty Global (formerly UPC Broadband Holding, aka AORTA)
	AS30614	DELL-BLK	Dell, Inc.
	AS42326		HERTZ EUROPE SERVICE CENTRE LIMITED
	AS206695		AIRBNB IRELAND ULC
	AS20258	ANALOG-DEVICES	Analog Devices, Inc.
	AS204597		Wayfair Stores Ltd
	AS43484		Mentor Graphics (Ireland) Ltd.
	AS14297	ACI-WORLDWIDE	ACI Worldwide, Inc.
	AS3573	ACCENTURE	Accenture LLP
	AS206309		REGENERON IRELAND DESIGNATED ACTIVITY COMPANY
	AS201111		Planet Payment Group Holdings Limited
	AS203060		Cimpress Ireland Limited
	AS395971	QUESTSOFTWARE	Quest Software Inc
	AS2128		Internet Neutral Exchange Association Company Limited By Guarantee
	AS62190		Dropbox Inc.
	AS24675		Local Government Computer Services Board
	AS206726		Financial Insurance Group Services Limited
	AS34110		Vu2Vu Ireland Limited

Country	ASN	Name	Description	IPv4
	AS43531		IX Reach Ltd
	AS6939	HURRICANE	Hurricane Electric LLC
	AS5400		British Telecommunications PLC
	AS3573	ACCENTURE	Accenture LLP
	AS21433		London DC
	AS200363		Blacknight Internet Solutions Limited
	AS199256		Leeson Telecom Holdings Ltd
	AS2128		Internet Neutral Exchange Association Company Limited By Guarantee

• IPv4 Upstreams
• IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS5400		British Telecommunications PLC

IPv4 Upstream Graph

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IPv4 Upstream Graph

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Country	ASN	Name	Description	IPv4
	AS5400		British Telecommunications PLC

IPv6 Upstream Graph

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IPv6 Upstream Graph

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• IPv4 Downstreams
• IPv6 Downstreams

Country	ASN	Name	Description	IPv6
	AS199256		Leeson Telecom Holdings Ltd
	AS13280		Three Ireland (Hutchison) limited
	AS200363		Blacknight Internet Solutions Limited
	AS3573	ACCENTURE	Accenture LLP
	AS20258	ANALOG-DEVICES	Analog Devices, Inc.
	AS2128		Internet Neutral Exchange Association Company Limited By Guarantee
	AS43484		Mentor Graphics (Ireland) Ltd.
	AS42090		Rapid Broadband Ltd
	AS201111		Planet Payment Group Holdings Limited
	AS48255		Abtran Limited.
	AS203060		Cimpress Ireland Limited
	AS204597		Wayfair Stores Ltd
	AS206726		Financial Insurance Group Services Limited
	AS395971	QUESTSOFTWARE	Quest Software Inc
	AS24675		Local Government Computer Services Board
	AS30614	DELL-BLK	Dell, Inc.
	AS34110		Vu2Vu Ireland Limited
	AS42326		HERTZ EUROPE SERVICE CENTRE LIMITED
	AS206309		REGENERON IRELAND DESIGNATED ACTIVITY COMPANY
	AS206695		AIRBNB IRELAND ULC
	AS14297	ACI-WORLDWIDE	ACI Worldwide, Inc.
	AS16599	BENTLEY-SYSTEMS	Bentley Systems
	AS48342		Deloitte & Touche
	AS62190		Dropbox Inc.

Country	ASN	Name	Description	IPv4
	AS199256		Leeson Telecom Holdings Ltd
	AS200363		Blacknight Internet Solutions Limited
	AS3573	ACCENTURE	Accenture LLP
	AS2128		Internet Neutral Exchange Association Company Limited By Guarantee
	AS21433		London DC

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