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

AS201933, 01 Telecom Ltd

Last update of data:
30-04-2024 17:29 UTC

ASN:

AS201933 (AS01T)

Country:

GB - Britain (UK) (Europe)

Org.:

01 Telecom Ltd

Stats:

Peers

62

IX'es

2

Prefixes

3

IPv4

1.280

IPv6

6,3E+29

Contact:

01 Telecom Ltd
Lewes Road
BN2 4GL
Brighton
UNITED KINGDOM
GB

+44 0207 186 0120

History

Date

Peers

IX'es

Prefixes

IPv4

IPv6

26-03-2024

+2

-

-

-

-

02-04-2024

-1

-

-

-

-

09-04-2024

+1

-

-

-

-

16-04-2024

-1

-

-

-

-

23-04-2024

-1

-

-

-

-

Current

62

2

3

1.280

6,3E+29

- - show more (+15 entries) - -

Peers

Country

Relationship

ASN

Organization

Peers

Prefix'es

Armenia

Upstream

2.157

5

Australia

Peer

Australian Academic and Research Network

1.225

149

Austria

Upstream

Stadtwerke Feldkirch

1.674

8

Austria

Peer

ANEXIA Internetdienstleistungs GmbH

2.763

385

Bahrain

Peer

MENA LEVANT W.L.L

1.555

19

Brazil

Peer

3.173

6

Brazil

Peer

LINK BRASIL TELECOMUNICACOES LTDA

5.001

18

Britain (UK)

Upstream

3.269

36

Britain (UK)

Upstream

FLAG TELECOM UK LIMITED

699

31

Britain (UK)

Upstream

433

240

Britain (UK)

Upstream

2.354

18

- - show more (+51 entries) - -

Internet eXchange (IX) connections

Country

City

IX name

Port speed

Members

Britain (UK)

London

10 Gb

829

Britain (UK)

London

10 Gb

316

Announced (uniq) prefixes

Country

ASN

Announced prefix

Description

Size

Britain (UK)

01 Telecom Ltd

256

Britain (UK)

91.193.116.0/22

01 Telecom Ltd Primary Route Object

1.024

Country

ASN

Announced prefix

Description

Size

Britain (UK)

CXS CE

6,3E+29

Log

000	+000	Parse input (ASN)
000	+000	Search database for 'AS201933'
003	+002	1 ASN's found
003	+000	Done
003	+000	Load details of AS201933
013	+011	3 prefixes found
093	+080	62 peers found
097	+004	2 IX members found (2 connections)
102	+005	20 historical items loaded
102	+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.