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

AS17903, Cognizant Technology Solutions India Pvt Ltd

Last update of data:
13-04-2024 18:42 UTC

ASN:

AS17903 (COGNIZANT-IN-AP)

Country:

IN - India (Asia)

Org.:

Cognizant Technology Solutions India Pvt Ltd
https://www.cognizant.com
Social media: @twitter/X @instagram @linkedin @facebook @instagram @linkedin

Stats:

Peers

18

IX'es

-

Prefixes

41

IPv4

+18K

IPv6

-

Contact:

Cognizant Technology Solutions India Pvt Ltd
Cognizant Technology Solutions
IN

+91-44-5209-6000

History

Date

Peers

IX'es

Prefixes

IPv4

IPv6

Before 17-02-2024

17

-

41

18.944

-

17-02-2024

-1

-

-

-256

-

16-03-2024

+1

-

-

+256

-

13-04-2024

+1

-

-

-

-

Current

18

-

41

18.944

-

Peers

Country

Relationship

ASN

Organization

Peers

Prefix'es

Brazil

Peer

LINK BRASIL TELECOMUNICACOES LTDA

5.001

18

Britain (UK)

Upstream

Cognizant Worldwide Limited

5

3

Britain (UK)

Upstream

British Telecommunications PLC

271

261

Britain (UK)

Upstream

COLT Technology Services Group Limited

1.852

174

Hong Kong

Upstream

HGC Global Communications Limited

1.200

62

India

Upstream

Tata Communications Limited

825

405

India

Upstream

Vodafone Idea Ltd. (VIL)

246

50

India

Upstream

Bharti Airtel Limited

3.153

533

India

Upstream

Bharti Airtel Limited

186

14

Philippines

Upstream

Philippine Long Distance Telephone Co.

247

323

Singapore

Upstream

418

34

Singapore

Upstream

97

-

United States

Upstream

CenturyLink Communications, LLC

788

368

United States

Upstream

Cox Communications Inc.

510

274

United States

Upstream

Level 3 Parent, LLC

6.675

790

United States

Upstream

331

60

United States

Upstream

Verizon Business

1.348

845

United States

Upstream

AT&T Services, Inc.

2.382

2.641

Announced (uniq) prefixes

Country

ASN

Announced prefix

Description

Size

United States

Cognizant Technology Solutions India Pvt Ltd

256

United States

Cognizant Technology Solutions India Pvt Ltd

256

United States

Cognizant Technology Solutions India Pvt Ltd

256

United States

Cognizant Technology Solutions India Pvt Ltd

256

India

Cognizant Technology Solution India Pvt Ltd, India Net block

256

India

Cognizant Technology Solutions India Pvt Ltd

256

India

Cognizant Technology Solutions India Pvt Ltd

256

India

Cognizant Technology Solutions India Pvt Ltd

1.024

India

Cognizant Technology Solutions India Pvt Ltd

1.024

India

Cognizant Technology Solutions

256

India

116.66.130.0/24

Cognizant Technology Solution India Pvt Ltd, India Net block

256

India

116.66.136.0/24

Cognizant Technology Solution India Pvt Ltd, India Net block

256

India

116.66.137.0/24

Cognizant Technology Solution India Pvt Ltd, India Net block

256

India

116.66.138.0/23

Cognizant Technology Solution India Pvt Ltd, India Net block

512

India

116.66.140.0/23

Cognizant Technology Solution India Pvt Ltd, India

512

India

116.66.144.0/23

Cognizant Technology Solution India Pvt Ltd, India Net block

512

India

116.66.146.0/23

Cognizant Technology Solution India Pvt Ltd, India Net block

512

India

116.66.148.0/22

Cognizant Technology Solution India Pvt Ltd, Philippines Net block

1.024

India

116.66.152.0/22

Cognizant Technology Solution India Pvt Ltd, India Net block

1.024

India

116.66.156.0/24

Cognizant Technology Solution India Pvt Ltd, India

256

India

116.66.157.0/24

Cognizant Technology Solution India Pvt Ltd, India

256

India

116.66.158.0/23

Cognizant Technology Solution India Pvt Ltd, India

512

United States

174.70.203.0/24

Cognizant Technology Solutions India Pvt Ltd

256

India

203.99.192.0/21

Cognizant Technology Solution India Pvt Ltd, India

2.048

India

203.99.200.0/23

Cognizant Technology Solution India Pvt Ltd, India Net block

512

India

203.99.202.0/24

Cognizant Technology Solution India Pvt Ltd, India Net block

256

India

203.99.203.0/24

Cognizant Technology Solution India Pvt Ltd, India Net block

256

India

203.99.204.0/22

Cognizant Technology Solution India Pvt Ltd, India Net block

1.024

India

203.99.208.0/23

Cognizant Technology Solution India Pvt Ltd, India Net block

512

India

203.99.210.0/23

Cognizant Technology Solution India Pvt Ltd, India Net block

512

India

203.99.212.0/24

Cognizant Technology Solution India Pvt Ltd, India Net block

256

India

203.99.213.0/24

Cognizant Technology Solution India Pvt Ltd, India Net block

256

India

203.99.214.0/23

Cognizant Technology Solution India Pvt Ltd, India Net block

512

India

203.99.216.0/23

Cognizant Technology Solution India Pvt Ltd, India Net block

512

India

203.99.218.0/24

Cognizant Technology Solution India Pvt Ltd, India Net block

256

India

203.99.219.0/24

Cognizant Technology Solution India Pvt Ltd, India Net block

256

India

203.99.221.0/24

Cognizant Technology Solution India Pvt Ltd, India Net block

256

India

203.132.208.0/23

Cognizant Technology Solution India Pvt Ltd, India Net block

512

India

203.132.214.0/24

Cognizant Technology Solution India Pvt Ltd, India Net block

256

United States

Cognizant Technology Solutions India Pvt Ltd

256

United States

208.177.44.0/24

Cognizant Technology Solutions India Pvt Ltd

256

- - show more (+30 entries) - -

Log

000	+000	Parse input (ASN)
000	+000	Search database for 'AS17903'
002	+002	1 ASN's found
002	+000	Done
002	+000	Load details of AS17903
015	+013	41 prefixes found
033	+017	18 peers found
035	+002	No matching IX connections found!
040	+005	7 links loaded, 7 verified
042	+002	4 historical items loaded
043	+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.