ASN Lookup Tool

Cognizant Technology Solutions India Pvt Ltd cognizant.com IN IN 97 Routes

AS Data

AS17903

AS17903Cognizant Technology Solutions India Pvt Ltd

AS Number 17903
AS Name COGNIZANT-IN-AP
Organization Cognizant Technology Solutions India Pvt Ltd (org-ctsi2-ap)
Country IN
Website cognizant.com
Number of IPv4 Routes 97
Number of IPv6 Routes 0
ASN type BUSINESS
Registry APNIC
Date Allocated N/A

ASN Intelligence API for production workflows

Use ASN data for AS17903 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
116.66.152.0/24 256
116.66.156.0/24 256
116.66.148.0/22 1024
203.99.209.0/24 256
27.118.56.0/24 256
203.99.204.0/22 1024
203.132.208.0/24 256
203.99.218.0/24 256
203.99.194.0/24 256
203.99.211.0/24 256

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS17653 - AS18431'

as-block:       AS17653 - AS18431
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2019-01-08T23:19:07Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS17903'

% Abuse contact for 'AS17903' is 'abuse@cognizant.com'

aut-num:        AS17903
as-name:        COGNIZANT-IN-AP
descr:          Cognizant Technology Solutions India Pvt Ltd,
country:        IN
import:         from AS4755 action pref=10; accept ANY
import:         from AS9498 action pref=10; accept ANY
import:         from AS3356 action pref =20; accept ANY
export:         to AS4755 announce AS17903
export:         to AS9498 announce AS17903
default:        to AS9498 action pref=100; networks ANY
default:        to AS4755 action pref=10; networks ANY
org:            ORG-CTSI2-AP
admin-c:        NA108-AP
tech-c:         NA108-AP
abuse-c:        AC1821-AP
notify:         connect@chn.cognizant.com
mnt-lower:      MAINT-IN-COGNIZANT
mnt-routes:     MAINT-IN-COGNIZANT
mnt-by:         APNIC-HM
mnt-irt:        IRT-COGNIZANT-IN
last-modified:  2020-06-22T06:43:32Z
source:         APNIC

irt:            IRT-COGNIZANT-IN
address:        Cognizant Technology Solutions
address:        India.
e-mail:         abuse@cognizant.com
abuse-mailbox:  abuse@cognizant.com
admin-c:        NA108-AP
tech-c:         NA108-AP
auth:           # Filtered
remarks:        abuse@cognizant.com was validated on 2025-12-09
mnt-by:         MAINT-IN-COGNIZANT
last-modified:  2025-12-09T15:28:36Z
source:         APNIC

organisation:   ORG-CTSI2-AP
org-name:       Cognizant Technology Solutions India Pvt Ltd
org-type:       LIR
country:        IN
address:        5/535, Old Mahabalipuram Road
address:        Okkiyam, Thoraipakkam
phone:          +91-44-5209-6000
fax-no:         +91-44-5209-6060
e-mail:         connect@cognizant.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:59Z
source:         APNIC

role:           ABUSE COGNIZANTIN
country:        ZZ
address:        Cognizant Technology Solutions
address:        India.
phone:          +000000000
e-mail:         abuse@cognizant.com
admin-c:        NA108-AP
tech-c:         NA108-AP
nic-hdl:        AC1821-AP
remarks:        Generated from irt object IRT-COGNIZANT-IN
remarks:        abuse@cognizant.com was validated on 2025-12-09
abuse-mailbox:  abuse@cognizant.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-09T15:29:02Z
source:         APNIC

person:         Network Administrator
nic-hdl:        NA108-AP
e-mail:         connect@cognizant.com
address:        Cognizant Technology Solutions
address:        India.
phone:          +91-44-42096000
fax-no:         +91-44-42096060
country:        IN
mnt-by:         MAINT-IN-COGNIZANT
last-modified:  2008-10-29T06:30:55Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)

Parsed Whois Response

Peers

AS Number Description Country
AS2856 British Telecommunications PLC GB
AS9299 Philippine Long Distance Telephone Co. PH
AS9304 HGC Global Communications Limited HK
AS9730 Bharti Telesonic Ltd IN
AS8220 COLT Technology Services Group Limited GB
AS9498 Bharti Airtel Limited IN
AS701 Verizon Business/UUnet US
AS55836 Reliance Jio Infocomm Limited IN
AS22773 Cox Communications Inc. US
AS4657 StarHub Ltd SG

Upstreams

AS Number Description Country
AS2856 British Telecommunications PLC GB
AS9299 Philippine Long Distance Telephone Co. PH
AS9304 HGC Global Communications Limited HK
AS9730 Bharti Telesonic Ltd IN
AS8220 COLT Technology Services Group Limited GB
AS9498 Bharti Airtel Limited IN
AS55836 Reliance Jio Infocomm Limited IN
AS22773 Cox Communications Inc. US
AS199569 Cognizant Worldwide Limited GB
AS4657 Starhub Ltd. SG

Contacts

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Frequently Asked Questions

ASN AS17903 is an Autonomous System Number used to identify a network for BGP internet routing.
AS17903 is listed under Cognizant Technology Solutions India Pvt Ltd.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.