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

AS24971, Master Internet s.r.o.

Last update of data:
28-04-2024 14:45 UTC

ASN:

AS24971 (MASTER-AS)

Country:

CZ - Czech Republic (Europe)

Org.:

Master Internet s.r.o.
https://www.master.cz LookingGlass
Social media: @facebook @linkedin @twitter/X @instagram

Stats:

Peers

38

IX'es

5

Prefixes

46

IPv4

+58K

IPv6

1,7E+30

Contact:

Master Internet s.r.o.
Jiraskova 21
602 00
Brno
CZECH REPUBLIC
CZ

+420 777919700

History

Date

Peers

IX'es

Prefixes

IPv4

IPv6

Before 07-01-2024

39

5

46

58.880

1,7E+30

07-01-2024

+2

-

-

-

-

04-02-2024

-4

-

-

-

-

31-03-2024

+1

-

-

-

-

Current

38

5

46

58.880

1,7E+30

Peers

Country

Relationship

ASN

Organization

Peers

Prefix'es

Austria

Upstream

A1 Telekom Austria AG

1.357

110

Austria

Peer

Kabel-TV Lampert GmbH & Co KG

1.424

6

Austria

Peer

Fonira Telekom GmbH

1.300

14

Austria

Peer

384

11

Austria

Peer

321

11

Azerbaijan

Peer

Delta Telecom Ltd

2.919

183

Brazil

Peer

BR.Digital Provider

5.844

89

Britain (UK)

Upstream

Datacamp Limited

788

374

Britain (UK)

Upstream

2.344

18

Britain (UK)

Upstream

3.269

36

Britain (UK)

Peer

LEVEL EIGHTY-SIX COMMUNICATIONS LTD

3.274

30

- - show more (+27 entries) - -

Internet eXchange (IX) connections

Country

City

IX name

Port speed

Members

Czech Republic

Brno

10 Gb

8

Czech Republic

Prague

200 Gb

7

Czech Republic

Prague

-

173

Czech Republic

Praha 3

200 Gb

203

Slovakia

Praha 3

10 Gb

61

Announced (uniq) prefixes

Country

ASN

Announced prefix

Description

Size

Czech Republic

CZ-BYDZOVSKY-20190401

1.024

Czech Republic

37.140.220.0/24

CZ-PROFISMS-20210803

256

Czech Republic

RELBIT-VPSFREE

1.024

Czech Republic

VPSFREE-PRG6

1.024

Czech Republic

MASTER-NET-4

8.192

Czech Republic

MASTER-NET-2

4.096

Czech Republic

MASTER-NET-1

4.096

Czech Republic

83.167.224.0/19

MASTER-NET-5

8.192

Netherlands

Verotel Merchant Services BV

256

Czech Republic

85.118.128.0/21

CZ-MASTER-20120312

2.048

Czech Republic

89.185.224.0/19

MASTER-NET-3

8.192

- - show more (+35 entries) - -

Log

000	+000	Parse input (ASN)
000	+000	Search database for 'AS24971'
003	+002	1 ASN's found
003	+000	Done
003	+000	Load details of AS24971
033	+031	46 prefixes found
079	+045	38 peers found
084	+005	5 IX members found (8 connections)
086	+003	7 links loaded, 6 verified
090	+004	4 historical items loaded
090	+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.