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

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.

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

149.12.0.0/15

Prefix:

149.12.0.0/15 (131.072 IP's - view in CIDR to IP tool)

Description:

Cogent Communications

Country:

Britain (UK)

Announced by:

Cogent Communications
https://www.cogentco.com/

AS174, 6.785 peers, 1.463 announced prefixes

See all details on AS174 - Cogent Communications »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

Britain (UK)

Cogent Communications

131.072

Britain (UK)

OPEN FIBRE NETWORKS (WHOLESALE) LIMITED

4.096

Spain

Luis Sanchez Martin

256

Hungary

Gabor Birincsik

256

United States

Cloudcenter.hu Kft

256

United States

Cloudcenter.hu Kft

256

United States

JZT Informatikai Kft.

1.024

Italy

Angelastri Giuseppe trading as TechDigital

256

Italy

NEOFIBER SRLS

512

Italy

149.12.100.0/24

WIBER NET SRL

256

Italy

149.12.101.0/24

WIBER NET SRL

256

Italy

149.12.102.0/24

WIBER NET SRL

256

Italy

149.12.103.0/24

WIBER NET SRL

256

Italy

149.12.104.0/24

Telweb s.r.l.

256

Italy

149.12.105.0/24

Telweb s.r.l.

256

Italy

149.12.106.0/24

Telweb s.r.l.

256

Italy

149.12.107.0/24

Telweb s.r.l.

256

Italy

149.12.108.0/22

Evacom S.R.L.S.

1.024

Italy

149.12.120.0/22

Global Com Basilicata s.r.l.

1.024

Italy

149.12.128.0/22

T&T Tecnologie e Telecomunicazioni Srl

1.024

United States

149.12.183.0/24

Skyvera LLC

256

Britain (UK)

149.12.184.0/22

4COM TECHNOLOGIES LIMITED

1.024

France

149.12.193.0/24

OLLINK SARL

256

Spain

149.12.200.0/23

INFORMATICA Y TELECOMUNICACIONES SARRIA S.L.

512

United States

149.12.224.0/24

DSTELECOM, S.A.

256

United States

149.12.227.0/24

DSTELECOM, S.A.

256

Netherlands

149.12.241.0/24

Sona Business B.V.

256

Netherlands

149.12.242.0/23

Sona Business B.V.

512

Netherlands

149.12.244.0/24

DataFiber Group B.V.

256

Netherlands

149.12.245.0/24

Servervy B.V.

256

Netherlands

149.12.246.0/23

ServUnit Technologies BV

512

Bulgaria

Data Center Ltd.

256

Bulgaria

Data Center Ltd.

256

Bulgaria

Data Center Ltd.

256

Bulgaria

TALIDO Bilisim Teknolojileri Sanayi ve Ticaret Anonim Sirketi

256

Bulgaria

TALIDO Bilisim Teknolojileri Sanayi ve Ticaret Anonim Sirketi

256

Bulgaria

TALIDO Bilisim Teknolojileri Sanayi ve Ticaret Anonim Sirketi

256

Bulgaria

TALIDO Bilisim Teknolojileri Sanayi ve Ticaret Anonim Sirketi

256

Spain

Experientia Systems, SL

256

Spain

Bandalibre Comunicaciones, S.L.

512

Spain

Oeste Digital S.L.

1.024

Spain

Luis Sanchez Martin

1.024

Luxembourg

Expert Mark GmbH

256

Luxembourg

Expert Mark GmbH

256

United States

S&P Global Inc.

256

Germany

R&R Managed Telecom Services

256

Germany

synaforce GmbH

256

Germany

Imprivata Inc

256

Germany

flatexDEGIRO Bank AG

512

United States

Innonet ICT-Services GmbH

512

United States

Innonet ICT-Services GmbH

256

-- list of uniq prefixes has been truncated --

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '149.12.0.0/15'
014	+014	Prefix list has been truncated at 50.
014	+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.