121.243.12.0/22

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 121.243.12.0/22

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
121.243.16.0/21	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
121.243.80.0/22	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 4 domain names hosted across 4 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
121.243.13.213	sisbl.com	1
121.243.13.229	sisbl.in	1

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

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

IP Address	ASN	Details
121.243.15.97	AS4755 TATA Communications formerly VSNL is Leading ISP	0.74ms from Chennai, IN
121.243.13.239	AS4755 TATA Communications formerly VSNL is Leading ISP	1.24ms from Kolkata, IN
121.243.12.25	AS4755 TATA Communications formerly VSNL is Leading ISP	0.45ms from Kolkata, 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
101.42.234.246	AS45090 Shenzhen Tencent Computer Systems Company Limited	1.84ms from Beijing, CN
130.149.33.86	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	0.90ms from Berlin, DE
87.59.27.150	AS3292 TDC Holding A/S	3.31ms from Copenhagen, DK
152.89.124.198	AS9304 HGC Global Communications Limited	2.33ms from Hong Kong, HK
67.10.88.118	AS11427 Charter Communications Inc	11.17ms from Houston, US
99.21.198.150	AS7018 AT&T Enterprises, LLC	5.25ms from Los Angeles, US
165.227.94.102	AS14061 DigitalOcean, LLC	0.23ms from New York City, US
72.12.255.214	AS26253 South Central Communications, Inc.	8.99ms from Salt Lake City, US
203.139.66.230	AS4725 SoftBank Corp.	5.69ms from Tokyo, JP
46.97.244.86	AS12302 Vodafone Romania S.A.	7.45ms from Bucharest, RO
73.131.37.22	AS7922 Comcast Cable Communications, LLC	17.09ms from Miami, US
61.169.178.150	AS4812 China Telecom (Group)	3.73ms from Shanghai, CN
47.129.227.70	AS16509 Amazon.com, Inc.	0.48ms from Singapore, SG
102.132.174.150	AS37680 Cool Ideas Service Provider (Pty) Ltd	2.12ms from Cape Town, ZA
142.190.58.118	AS13760 Uniti Fiber Holdings Inc.	8.46ms from Jacksonville, US
84.6.8.70	AS15557 Societe Francaise Du Radiotelephone - SFR SA	19.36ms from Paris, FR
189.235.65.54	AS8151 UNINET	13.35ms from Santiago de Queretaro, MX
61.147.224.166	AS131325 CHINATELECOM JIANGSU province NANTONG MAN network	6.87ms from Shanghai, CN
60.244.147.102	AS7482 Asia Pacific On-line Service Inc.	4.14ms from Taipei, TW
39.104.94.246	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	0.18ms from Hohhot, CN
164.160.48.6	AS329017 RAGA NET SARL	0.93ms from Kinshasa, CD
198.188.7.150	AS2152 CENIC	2.51ms from Los Angeles, US
15.160.68.70	AS16509 Amazon.com, Inc.	0.16ms from Milan, IT
86.218.133.6	AS3215 Orange S.A.	4.82ms from Paris, FR
112.156.37.198	AS17858 LG POWERCOMM	7.56ms from Seoul, KR

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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