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

AS51973, Koltushsky Internet Ltd

Last update of data:
03-05-2024 22:26 UTC

ASN:

AS51973 (KOLT-AS)

Country:

RU - Russia (Europe)

Org.:

Koltushsky Internet Ltd
https://www.kolt-internet.ru

Stats:

Peers

23

IX'es

2

Prefixes

3

IPv4

8.192

IPv6

1,2E+24

Contact:

Koltushsky Internet Ltd
Vsevolozhsky dist., Staraya 90A
Leningrad region, 188680, Russia
RU

+7 81370 72954

History

Date

Peers

IX'es

Prefixes

IPv4

IPv6

Before 15-12-2023

24

1

7

16.384

1,2E+24

15-12-2023

-5

-

-4

-8.192

-

12-01-2024

+1

-

-

-

-

26-01-2024

-

+1

-

-

-

09-02-2024

+3

-

-

-

-

08-03-2024

+2

-

-

-

-

05-04-2024

-3

-

-

-

-

03-05-2024

+1

-

-

-

-

Current

23

2

3

8.192

1,2E+24

Peers

Country

Relationship

ASN

Organization

Peers

Prefix'es

Armenia

Upstream

2.157

5

Britain (UK)

Peer

1.341

101

Burkina Faso

Peer

Virtual Technologies & Solutions

4.632

10

Denmark

Peer

GlobalConnect A/S

692

119

Italy

Peer

Fiber Telecom S.p.A.

2.672

11

Lithuania

Upstream

UAB "Bite Lietuva"

828

87

Luxembourg

Peer

G-Core Labs S.A.

5.241

452

Netherlands

Upstream

Equinix (EMEA) Acquisition Enterprises B.V.

3.003

551

Netherlands

Peer

6.510

134

Portugal

Upstream

EDGOO NETWORKS UNIPESSOAL LDA

1.305

4

Russia

Upstream

INETCOM CARRIER LLC

2.312

7

Russia

Upstream

584

42

Russia

Peer

Truenetwork LLC

811

3

Russia

Downstream

ScPA Starline LLC

6

4

Russia

Downstream

Progress Technology LLC

20

3

Singapore

Upstream

8.488

17

Singapore

Peer

Viewqwest Pte Ltd

2.150

29

Switzerland

Upstream

2.999

18

Switzerland

Upstream

Swisscom (Schweiz) AG

1.177

257

United States

Upstream

Hurricane Electric LLC

10.632

262

United States

Peer

Wikimedia Foundation Inc.

1.667

19

United States

Peer

NetActuate, Inc

7.343

206

Uzbekistan

Peer

"Uzbektelekom" Joint Stock Company

585

6

Internet eXchange (IX) connections

Country

City

IX name

Port speed

Members

Russia

-

510

Russia

St.-Petersburg

-

76

Announced (uniq) prefixes

Country

ASN

Announced prefix

Description

Size

Russia

route object

4.096

Russia

81.163.240.0/20

route object

4.096

Country

ASN

Announced prefix

Description

Size

Russia

2001:67c:2954::/48

Koltushsky Internet Ltd

1,2E+24

Log

000	+000	Parse input (ASN)
000	+000	Search database for 'AS51973'
002	+002	1 ASN's found
002	+000	Done
002	+000	Load details of AS51973
009	+007	3 prefixes found
031	+023	23 peers found
035	+004	2 IX members found (4 connections)
037	+002	3 links loaded, 1 verified
038	+002	8 historical items loaded
038	+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.