121.243.16.0/21

AS4755 · TATA Communications formerly VSNL is Leading ISP

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Summary

Country	India
Domain	tatacommunications.com
ASN	AS4755
Parent Range	121.243.0.0/17
Registry	APNIC
ID	TATACOMM-IN

WHOIS Details

inetnum:        121.240.0.0 - 121.247.255.255
netname:        TATACOMM-IN
descr:          Internet Service Provider
descr:          TATA Communications formerly VSNL is Leading ISP,
descr:          Data and Voice Carrier in India
country:        IN
org:            ORG-TCL6-AP
admin-c:        TC651-AP
tech-c:         TC651-AP
abuse-c:        AT1356-AP
status:         ALLOCATED PORTABLE
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-TATACOMM-IN
mnt-routes:     MAINT-TATACOMM-IN
mnt-irt:        IRT-TATACOMM-IN
last-modified:  2020-12-08T14:35:55Z
source:         APNIC

irt:            IRT-TATACOMM-IN
address:        6th Floor, LVSB, VSNL
address:        Kashinath Dhuru marg, Prabhadevi
address:        Dadar(W), Mumbai 400028
address:        India
e-mail:         ip.admin@tatacommunications.com
abuse-mailbox:  4755abuse@tatacommunications.com
admin-c:        IA15-AP
tech-c:         IA15-AP
auth:           # Filtered
remarks:        4755abuse@tatacommunications.com was validated on 2025-02-12
remarks:        ip.admin@tatacommunications.com was validated on 2025-07-31
mnt-by:         MAINT-TATACOMM-IN
last-modified:  2025-07-31T04:11:44Z
source:         APNIC

organisation:   ORG-TCL6-AP
org-name:       Tata Communications Limited
org-type:       LIR
country:        IN
address:        Customer Service & Operations
address:        Plot Nos. C-21 & C-36
address:        'G' Block, Bandra Kurla Complex,
phone:          +91-22-66502826
fax-no:         +91-22-66502039
e-mail:         ip-addr@tatacommunications.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:43Z
source:         APNIC

role:           ABUSE TATACOMMIN
country:        ZZ
address:        6th Floor, LVSB, VSNL
address:        Kashinath Dhuru marg, Prabhadevi
address:        Dadar(W), Mumbai 400028
address:        India
phone:          +000000000
e-mail:         ip.admin@tatacommunications.com
admin-c:        IA15-AP
tech-c:         IA15-AP
nic-hdl:        AT1356-AP
remarks:        Generated from irt object IRT-TATACOMM-IN
remarks:        4755abuse@tatacommunications.com was validated on 2025-02-12
remarks:        ip.admin@tatacommunications.com was validated on 2025-07-31
abuse-mailbox:  4755abuse@tatacommunications.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-07-31T04:12:26Z
source:         APNIC

role:           TATA Communications
nic-hdl:        TC651-AP
address:        6th Floor,A Tower, BKC
address:        Plot Nos. C-21 & C-36
address:        'G' Block, Bandra Kurla Complex, Mumbai
phone:          +91-020-66357160
country:        IN
e-mail:         ip.admin@tatacommunications.com
admin-c:        IA15-AP
tech-c:         VT43-AP
mnt-by:         MAINT-TATACOMM-IN
last-modified:  2024-10-25T08:12:54Z
source:         APNIC

route:          121.240.0.0/13
descr:          Route for VSNL
origin:         AS4755
mnt-by:         MAINT-VSNL-AP
last-modified:  2008-09-04T07:54:52Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 121.243.16.0/21

Range	ASN	Company	Num of IPs
121.243.0.0/17	AS4755	Internet Service Provider	32,768

Nearby Ranges

BGP prefixes that overlap with 121.243.0.0/16

Range	ASN	Company	Num of IPs
121.243.0.0/17	AS4755	Internet Service Provider	32,768
121.243.128.0/17	AS17908	Internet Service Provider	32,768
121.243.192.0/18	AS17908	Internet Service Provider	16,384
121.243.176.0/20	AS17908	Internet Service Provider	4,096
121.243.160.0/20	AS17908	Internet Service Provider	4,096
121.243.128.0/20	AS17908	Internet Service Provider	4,096
121.243.32.0/21	AS4755	Internet Service Provider	2,048
121.243.0.0/21	AS4755	Internet Service Provider	2,048
121.243.216.0/21	AS17908	Internet Service Provider	2,048
121.243.64.0/22	AS4755	PANJIM- Leased line COOKE COMMERCIAL PVT LTD	1,024
121.243.44.0/22	AS4755	Internet Service Provider	1,024
121.243.104.0/22	AS4755	Internet Service Provider	1,024
121.243.24.0/22	AS4755	Internet Service Provider	1,024
121.243.72.0/22	AS4755	AGRA- Leased line JAYPEE HOTELS	1,024
121.243.112.0/22	AS4755	Internet Service Provider	1,024
121.243.12.0/22	AS4755	Internet Service Provider	1,024
121.243.80.0/22	AS4755	CHENNAI-VSB- Leased line OLAM INFORMATION SERVICES	1,024
121.243.52.0/22	AS4755	Internet Service Provider	1,024
121.243.48.0/22	AS4755	Internet Service Provider	1,024
121.243.60.0/22	AS4755	Internet Service Provider	1,024
121.243.28.0/22	AS4755	Internet Service Provider	1,024
121.243.84.0/23	AS4755	Internet Service Provider	512
121.243.100.0/23	AS4755	Internet Service Provider	512
121.243.94.0/23	AS4755	Internet Service Provider	512
121.243.98.0/23	AS4755	JALANDHAR- Leased line KOTAK MAHINDRA BANK LTD.	512
121.243.76.0/23	AS4755	NASIK- Leased line DECISION SOFTWARE PVT.LTD.	512
121.243.118.0/23	AS4755	Internet Service Provider	512
121.243.78.0/23	AS4755	Internet Service Provider	512
121.243.96.0/23	AS4755	RAJKOT- Leased line RELIANCE INDUSTRIES LTD	512
121.243.110.0/23	AS4755	Internet Service Provider	512
121.243.126.0/23	AS4755	Internet Service Provider	512
121.243.116.0/23	AS4755	Internet Service Provider	512
121.243.86.0/23	AS4755	SANJAYNAGAR- Leased line INFOSYS BPO LTD	512
121.243.68.0/23	AS4755	Internet Service Provider	512
121.243.120.0/23	AS4755	Internet Service Provider	512
121.243.76.0/24	AS4755	Internet Service Provider	256
121.243.11.0/24	AS4755	Internet Service Provider	256
121.243.98.0/24	AS4755	Internet Service Provider	256
121.243.96.0/24	AS4755	AHMEDABAD- Leased line KOTAK MAHINDRA	256
121.243.40.0/24	AS4755	Internet Service Provider	256
121.243.66.0/24	AS4755	Internet Service Provider	256
121.243.121.0/24	AS4755	Internet Service Provider	256
121.243.41.0/24	AS4755	Internet Service Provider	256
121.243.99.0/24	AS4755	JALANDHAR- Leased line KOTAK MAHINDRA BANK LTD.	256
121.243.89.0/24	AS4755	Internet Service Provider	256
121.243.39.0/24	AS4755	Internet Service Provider	256
121.243.50.0/24	AS4755	Internet Service Provider	256
121.243.5.0/24	AS4755	Internet Service Provider	256
121.243.59.0/24	AS4755	Internet Service Provider	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Pingable IPs

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

IP Address	ASN	Details
121.243.16.191	AS4755 TATA Communications formerly VSNL is Leading ISP	20.52ms from Mumbai, IN
121.243.20.242	AS4755 TATA Communications formerly VSNL is Leading ISP	0.90ms from Chennai, IN
121.243.17.137	AS4755 TATA Communications formerly VSNL is Leading ISP	5.24ms from Delhi, IN
121.243.22.133	AS4755 TATA Communications formerly VSNL is Leading ISP	1.57ms from Delhi, IN
121.243.21.255	AS4755 TATA Communications formerly VSNL is Leading ISP	20.28ms from Delhi, 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
103.169.53.101	AS141253 Hyosec Solutions Private Limited	0.12ms from Aizawl, IN
192.8.206.5	AS24084 PLOT NO: 3A, SECTOR 126, SEZ, NOIDA	0.42ms from Bengaluru, IN
191.101.59.5	AS42831 UK Dedicated Servers Limited	0.28ms from Coventry, GB
102.162.193.229	AS30999 EMTEL LIMITED	7.21ms from Ebene, MU
39.33.149.245	AS17557 Pakistan Telecommunication Company Limited	14.47ms from Islamabad, PK
86.164.93.213	AS2856 British Telecommunications PLC	6.65ms from London, GB
79.36.51.85	AS3269 Telecom Italia S.p.A.	5.15ms from Milan, IT
18.213.247.213	AS14618 Amazon.com, Inc.	0.17ms from Reston, US
50.16.246.149	AS14618 Amazon.com, Inc.	0.22ms from Reston, US
35.213.81.37	AS15169 Google LLC	0.15ms from Tokyo, JP
121.19.94.117	AS4837 CHINA UNICOM China169 Backbone	9.38ms from Beijing, CN
50.91.226.69	AS33363 Charter Communications, Inc	8.09ms from Los Angeles, US
213.97.72.69	AS3352 TELEFONICA DE ESPANA S.A.U.	10.75ms from Madrid, ES
94.92.253.117	AS3269 Telecom Italia S.p.A.	4.76ms from Milan, IT
94.70.143.69	AS6799 Ote SA (Hellenic Telecommunications Organisation)	7.34ms from Athens, GR
103.144.8.21	AS139719 Yar Chang Company Limited	14.66ms from Bangkok, TH
20.158.52.181	AS8070 Microsoft Corporation	0.67ms from Boydton, US
166.148.137.245	AS6167 Verizon Business	19.17ms from Dallas, US
14.102.104.181	AS18002 AS Number for Interdomain Routing	0.52ms from Delhi, IN
98.147.6.5	AS20001 Charter Communications Inc	2.19ms from Honolulu, US
217.112.103.229	AS49605 Digital Telecommunication Services S.r.l.	12.36ms from Milan, IT
187.50.180.229	AS10429 TELEFÔNICA BRASIL S.A	0.61ms from Sao Paulo, BR
220.87.91.53	AS4766 Korea Telecom	1.10ms from Seoul, KR
74.205.131.101	AS26827 EPB Fiber Optics	3.40ms from Atlanta, US
78.43.6.69	AS3209 Vodafone GmbH	8.14ms from Frankfurt am Main, DE

What are IP address ranges?

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