ASN database

You may find these sub-pages interesting as well:

Related tools

DNS lookup / nslookup / DIG of DNS records. An online tool for DNS lookups. By default recursive lookups querying the authoritative name servers. Lookups on specific DNS resolvers are also possible. Additionally, it will look up secondary records and output a full log of what was done on a technical level.

WHOIS / RDAP lookup

Perform WHOIS and/or RDAP lookups on domains, IP addresses, and ASNs. Will output all available technical info, contact info, etc.

Perform reverse DNS (rDNS/PTR) lookups of any IP.

CIDR calculator

IP to CIDR calculation tool with subnet info. The reverse, CIDR ranges to IP addresses, is also possible. Last but not least, it includes a tool for refactoring groups of IPs, domain names, and/or other CIDR ranges.

What is my IPv4 and IPv6?

Check your own IP - both IPv4 and IPv6. Works as a connectivity test as well.

Online tool GeoIP location of any IP and/or domain.

World map, day/night + local time

Beautiful day/night map of the world, with markup of all major cities including local date and time.

Result

AS2110, BT Communications Ireland Limited

Last update of data:
29-04-2024 19:52 UTC

ASN:

AS2110 (AS-BTIRE)

Country:

IE - Ireland (Europe)

Org.:

BT Communications Ireland Limited
http://www.btireland.ie/

Stats:

Peers

36

IX'es

2

Prefixes

13

IPv4

+437K

IPv6

6,3E+29

Contact:

BT Communications Ireland Limited
Grand Canal Plaza, Upper Grand Canal St
Dublin 4
Dublin
IRELAND
IE

+353 1 4326400

History

Date

Peers

IX'es

Prefixes

IPv4

IPv6

Before 11-12-2023

37

2

14

+437K

7,1E+29

11-12-2023

-1

-

-1

-

-0,8E+29

08-01-2024

+2

-

-

-

-

05-02-2024

-1

-

-

-

-

04-03-2024

+1

-

-

-

-

01-04-2024

-1

-

-

-

-

29-04-2024

-1

-

-

-

-

Current

36

2

13

+437K

6,3E+29

Peers

Country

Relationship

ASN

Organization

Peers

Prefix'es

Britain (UK)

Upstream

2.354

18

Britain (UK)

Upstream

British Telecommunications PLC

148

75

Britain (UK)

Upstream

COLT Technology Services Group Limited

1.859

174

Britain (UK)

Upstream

3.269

36

Britain (UK)

Downstream

Financial Insurance Group Services Limited

1

1

Britain (UK)

Downstream

Accenture UK Limited

84

220

Denmark

Upstream

503

12

Germany

Peer

euNetworks GmbH

2.323

32

Global

Upstream

152

2

Iceland

Peer

Ljosleidarinn ehf

1.021

24

Ireland

Peer

1.033

50

- - show more (+25 entries) - -

Internet eXchange (IX) connections

Country

City

IX name

Port speed

Members

Ireland

Dublin

200 Gb

111

Ireland

Dublin

10 Gb

70

Announced (uniq) prefixes

Country

ASN

Announced prefix

Description

Size

Ireland

IE-ISI-78-16

262.144

Ireland

185.146.180.0/22

BT Ireland DC Customer

1.024

Ireland

192.111.39.0/24

BT Communications Ireland Limited

256

Ireland

193.95.128.0/18

ESATNET-NET-6

16.384

Ireland

IEUNET-AGG-ROUTE-1

65.536

Ireland

193.203.128.0/19

BT Ireland Ex IOL Route Block

8.192

Ireland

194.46.192.0/18

BTIRELAND-WLB-UTV-AGG-ROUTE-1

16.384

Ireland

BT Ireland Ex IOL Route Block

32.768

Ireland

194.145.128.0/21

Esat Residential Network

2.048

Ireland

194.165.160.0/19

ESATNET-NET5

8.192

Ireland

BTIRELAND-CUST-AGG-BLOCK

8.192

- - show more (+2 entries) - -

Log

000	+000	Parse input (ASN)
000	+000	Search database for 'AS2110'
002	+002	1 ASN's found
002	+000	Done
002	+000	Load details of AS2110
056	+054	13 prefixes found
098	+042	36 peers found
103	+005	2 IX members found (3 connections)
105	+002	4 links loaded, 1 verified
107	+002	7 historical items loaded
107	+000	Done

Changelog

Newsletter

Bi-weekly (at most) with updates, changelog and info from the website. Just straight to the point info - no BS! Sign up right here, or read more about the iamroot.tech newsletter.

Signup using Google

Signup using Github

Other options: Signup using Microsoft or Signup using Facebook.

OR

No personal information gathered anywhere. E-mail may be used for login and/or newsletter - will not be sold or used by anyone else but iamroot.tech. Cookies are in use for statistical and useability purposes. Trademarks property of their respective owners. A privacy policy and terms and conditions is availible if you like.

iamrootdottech@gmail.com
Bundgaard - Løvenørnsgade 56, 2tv - DK-8700 Horsens - Denmark

Shoutouts and credits to: Bootstrap, jQuery, Bootstrap live customizer by Virtuosoft, DnsClient.NET by MichaCo, LazyLoad by Mika Tuupola, the Olson tz database by IANA, Visible earth by NASA, GeoLite2 by MaxMind, Barcoder by Wouter Huysentruit, ICONS8.
json-viewer by alenaksu.

iamrootdottech@gmail.com
Bundgaard - Løvenørnsgade 56, 2tv - DK-8700 Horsens - Denmark

No personal information gathered anywhere. E-mail may be used for login and/or newsletter - will not be sold or used by anyone else but iamroot.tech. Cookies are in use for statistical and useability purposes. Trademarks property of their respective owners. A privacy policy and terms and conditions is availible if you like.