1. All IP Ranges
  2. 116.0.0.0/8
  3. 116.66.0.0/16
  4. AS17903  | 116.66.158.0/24

116.66.158.0/24

AS17903  ·  Cognizant Technology Solutions India Pvt Ltd,

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Summary

Country India
Domain cognizant.com
ASN AS17903
Registry APNIC
ID COGNIZANT

WHOIS Details

inetnum:        116.66.128.0 - 116.66.159.255
netname:        COGNIZANT
descr:          Cognizant Technology Solution India Pvt Ltd, India
country:        IN
org:            ORG-CTSI2-AP
admin-c:        NA108-AP
tech-c:         NA108-AP
abuse-c:        AC1821-AP
status:         ALLOCATED PORTABLE
remarks:        abuse@cognizant.com
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-IN-COGNIZANT
mnt-routes:     MAINT-IN-COGNIZANT
mnt-irt:        IRT-COGNIZANT-IN
last-modified:  2020-06-22T06:43:31Z
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

route:          116.66.128.0/19
descr:          Cognizant
origin:         AS17903
mnt-by:         MAINT-IN-COGNIZANT
country:        IN
last-modified:  2008-09-04T07:54:55Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 116.66.0.0/16

Range ASN Company Num of IPs
116.66.208.0/20 AS3491 PCCWGlobal (HK) Ltd. 4,096
116.66.200.0/21 AS38496 PT Cyber Network Indonesia 2,048
116.66.192.0/21 AS4007 Subisu CableNet(Pvt) Ltd, 2,048
116.66.200.0/21 AS137346 PT Cyber Network Indonesia 2,048
116.66.180.0/22 AS131448 FLAT/RM 5033 5/F 1,024
116.66.188.0/22 AS135724 Allnet Broadband Network Pvt Ltd 1,024
116.66.148.0/22 AS17903 Cognizant Technology Solution India Pvt Ltd, Philippines Net block 1,024
116.66.152.0/22 AS17903 Cognizant Technology Solution India Pvt Ltd, India Net block 1,024
116.66.130.0/24 AS17903 Cognizant Technology Solution India Pvt Ltd, India Net block 256
116.66.140.0/24 AS17903 Cognizant Technology Solution India Pvt Ltd, India Net block 256
116.66.141.0/24 AS17903 Cognizant Technology Solution India Pvt Ltd, India Net block 256
116.66.129.0/24 AS30462 Cognizant Technology Solution India Pvt Ltd, India Net block 256
116.66.193.0/24 AS4007 Point to Point IPs 256
116.66.196.0/24 AS4007 SUBISU_Retail_Pool42 256
116.66.197.0/24 AS4007 Pokhara ISP IPs 256
116.66.123.0/24 AS45110 Beijing Tian Wei Xin Tong technology corp. limited 256
116.66.180.0/24 AS131448 BEST TARGET (HONG KONG) LIMITED 256
116.66.181.0/24 AS131448 BEST TARGET (HONG KONG) LIMITED 256
116.66.183.0/24 AS131448 BEST TARGET (HONG KONG) LIMITED 256
116.66.176.0/24 AS136993 CLOUD VALLEY TECHNOLOGY LIMITED 256
116.66.177.0/24 AS136993 CLOUD VALLEY TECHNOLOGY LIMITED 256
116.66.178.0/24 AS136993 CLOUD VALLEY TECHNOLOGY LIMITED 256
116.66.179.0/24 AS136993 CLOUD VALLEY TECHNOLOGY LIMITED 256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity
Read more

Pingable IPs

12 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
116.66.158.145 AS17903 Cognizant Technology Solutions India Pvt Ltd, 1.63ms from Pune, IN

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
54.166.94.200 AS14618 Amazon.com, Inc. 0.51ms from Ashburn, US
193.233.118.120 AS6079 RCN 1.55ms from Ashburn, US
60.5.204.40 AS4837 CHINA UNICOM China169 Backbone 10.64ms from Beijing, CN
44.245.113.152 AS16509 Amazon.com, Inc. 0.21ms from Boardman, US
24.165.180.200 AS10796 Charter Communications Inc 9.69ms from Cleveland, US
14.45.88.232 AS4766 Korea Telecom 4.64ms from Incheon, KR
68.127.74.200 AS7018 AT&T Enterprises, LLC 1.71ms from Los Angeles, US
108.252.72.72 AS7018 AT&T Enterprises, LLC 2.13ms from Miami, US
176.212.153.88 AS50498 JSC ER-Telecom Holding 7.14ms from Moscow, RU
60.77.53.104 AS17676 SoftBank Corp. 3.70ms from Osaka, JP
118.243.180.88 AS4685 Asahi Net 7.79ms from Osaka, JP
69.64.80.216 AS18501 CyberCloud Professionals LLC 0.73ms from Phoenix, US
40.162.29.8 AS58593 Shanghai Blue Cloud Technology Co.,Ltd 5.87ms from Tianjin, CN
87.247.108.72 AS21412 UAB Cgates 1.72ms from Vilnius, LT
104.20.6.184 AS13335 Cloudflare, Inc. 0.11ms from Wrocław, PL
166.44.240.24 AS3377 Verizon Business 0.73ms from Ashburn, US
108.239.40.232 AS7018 AT&T Enterprises, LLC 11.16ms from Atlanta, US
64.52.207.216 AS15081 Omni Fiber 8.00ms from Columbus, US
103.203.179.24 AS64074 Alpha Broadway System 0.47ms from Dhaka, BD
140.82.34.8 AS20473 The Constant Company, LLC 0.14ms from Frankfurt am Main, DE
70.164.116.184 AS22773 Cox Communications Inc. 3.60ms from Los Angeles, US
195.166.221.232 AS34803 Broadband Gibraltar Limited 10.74ms from Madrid, ES
79.25.17.88 AS3269 Telecom Italia S.p.A. 4.86ms from Milan, IT
186.53.67.168 AS6057 Administracion Nacional de Telecomunicaciones 1.61ms from Montevideo, UY
123.48.37.136 AS18126 Chubu Telecommunications Company, Inc. 4.04ms from Osaka, JP

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -f2 116.66.158.145
traceroute to 116.66.158.145 (116.66.158.145): 64 hops max, 52 byte packets
3 *
4 *
Measurement taken from IPinfo ProbeNet in Pune, IN
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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