AS6421 TATA COMMUNICATIONS (AMERICA) INC
AS6421
IPv4 Addresses: 11,776
Number of Peers: 18
Number of Prefixes: 44
ASN Allocated: 9th April 1996
AS6421 Summary
Regional Registry:
ARINAllocation Status:
AssignedAllocation Date:
9th April 1996Allocated Country:
AS6421 Network
IPv4 Prefixes:
44IPv4 Peers:
13IPv4 Upstreams:
4IPv6 Prefixes:
0IPv6 Peers:
5IPv6 Upstreams:
0Contacts
Email Contacts:
6453abuse@tatacommunications.com
ip-addr@tatacommunications.com
Abuse Contacts:
6453abuse@tatacommunications.com
Address:
2355 Dulles Corner Boulevard Suite 700,
Herndon,
VA,
20171,
US
| Country | Announced Prefix | Description | Valid ROA | Parent Prefix | RIR |
|---|---|---|---|---|---|
|
14.141.246.0/24 | Internet Service Provider | 14.140.0.0/14 | APNIC | |
|
|
14.141.247.0/24 | Internet Service Provider | 14.140.0.0/14 | APNIC | |
|
|
59.164.76.0/24 | SHAPATH- Leased line RBU BB NAT | 59.164.0.0/15 | APNIC | |
|
|
59.164.77.0/24 | SHAPATH- Leased line RBU BB NAT | 52.216.0.0/14 | ARIN | |
|
103.16.252.0/23 | Tata Communications (CANADA) Ltd. | 103.16.252.0/22 | APNIC | |
|
|
103.16.254.0/23 | Tata Communications (CANADA) Ltd. | 103.16.252.0/22 | APNIC | |
|
|
115.110.74.0/24 | Internet Service Provider | 115.108.0.0/14 | APNIC | |
|
|
115.112.20.0/24 | Internet Service Provider | 115.112.0.0/13 | APNIC | |
|
|
115.112.21.0/24 | Internet Service Provider | 115.112.0.0/13 | APNIC | |
|
116.0.66.0/24 | Customers access -30 and BB internal use | 116.0.64.0/19 | APNIC | |
|
|
121.240.218.0/24 | Internet Service Provider | 121.240.0.0/13 | APNIC | |
|
|
121.240.219.0/24 | Internet Service Provider | 121.240.0.0/13 | APNIC | |
|
|
138.104.230.0/24 | Mott MacDonald | 138.104.0.0/16 | RIPE | |
|
138.104.231.0/24 | Mott MacDonald | 138.104.0.0/16 | RIPE | |
|
|
180.87.13.0/24 | The Executive Centre (Central) Ltd | 179.152.0.0/14 | Lacnic | |
|
180.87.29.0/24 | Customers acces-30 and BB use | 180.87.0.0/17 | APNIC | |
|
180.87.68.0/24 | Customers access -30 and BB internal use | 180.87.0.0/17 | APNIC | |
|
180.87.76.0/24 | Customers access -31 and BB internal use | 180.87.0.0/17 | APNIC | |
|
|
180.87.91.0/24 | AU IZO Pool | 180.87.0.0/17 | APNIC | |
|
|
180.87.92.0/24 | IZO services in AS6421, required /24 for singapore/hongkong | 180.87.0.0/17 | APNIC | |
|
|
180.87.115.0/24 | Tata Communications (CANADA) Ltd. | 180.87.0.0/17 | APNIC | |
|
180.87.119.0/24 | Customers access /31 and BB internal use-6421 | 180.87.0.0/17 | APNIC | |
|
|
180.87.120.0/24 | Tata Communications (CANADA) Ltd. | 180.87.0.0/17 | APNIC | |
|
|
180.87.121.0/24 | Customers access /31 and BB internal use | 180.87.0.0/17 | APNIC | |
|
|
180.87.122.0/24 | Tata Communications (CANADA) Ltd. | 180.87.0.0/17 | APNIC | |
|
|
180.87.124.0/24 | Tata Communications (CANADA) Ltd. | 180.87.0.0/17 | APNIC | |
|
|
180.87.126.0/24 | Customers access /31 and BB internal use | 180.87.0.0/17 | APNIC | |
|
|
180.87.127.0/24 | Tata Communications (CANADA) Ltd. | 180.87.0.0/17 | APNIC | |
|
|
180.87.138.0/24 | TCL Global Meeting Exchange Asia Pacific | 181.118.64.0/18 | Lacnic | |
|
|
180.87.139.0/24 | TCL Global Meeting Exchange Asia Pacific | 180.179.0.0/16 | APNIC | |
|
|
180.87.140.0/24 | Customers access -30 and BB internal use | 182.176.0.0/12 | APNIC | |
|
|
180.87.141.0/24 | Customers access -30 and BB internal use | 180.87.128.0/18 | APNIC | |
|
|
180.87.152.0/24 | Tata Communications (CANADA) Ltd. | 180.87.128.0/18 | APNIC | |
|
|
180.87.153.0/24 | Tata Communications (CANADA) Ltd. | 180.87.128.0/18 | APNIC | |
|
|
180.87.190.0/24 | Tata Communications (CANADA) Ltd. | 180.87.128.0/18 | APNIC | |
|
|
180.87.191.0/24 | Customer Access-30 and BB internal use | 181.117.0.0/16 | Lacnic | |
|
202.183.65.0/24 | Tata Communications (CANADA) Ltd. | 203.122.0.0/18 | APNIC | |
|
|
202.183.66.0/24 | Customers access /31 and BB internal use for 6421 | 202.183.64.0/20 | APNIC | |
|
|
202.183.69.0/24 | Internal BB and Xconnect | 202.183.64.0/20 | APNIC | |
|
|
202.183.70.0/24 | GSMC Management in Malaysia for our IPC infra via AS 6421//877870 | 202.183.64.0/20 | APNIC | |
|
|
202.183.72.0/24 | Tata Communications (CANADA) Ltd. | 202.183.64.0/20 | APNIC | |
|
|
202.183.75.0/24 | BB, XC /30 /31 | 202.183.64.0/20 | APNIC | |
|
|
202.183.77.0/24 | GSMC Management in Malaysia for our IPC infra via AS 6421//877870 | 202.158.16.0/20 | APNIC | |
|
|
202.183.79.0/24 | Tata Communications (CANADA) Ltd. | 202.183.64.0/20 | APNIC |
| Country | ASN | Name | Description | IPv6 |
|---|---|---|---|---|
|
AS18106 | VIEWQWEST-SG-AP | Viewqwest Pte Ltd | |
 |
AS6453 | AS6453 | TATA COMMUNICATIONS (AMERICA) INC | |
|
AS6939 | HURRICANE | Hurricane Electric LLC | |
|
AS10146 | FORD-MOTOR-CO-SG-AP | Ford Motor Company | |
|
AS139341 | ACE-AS-AP | ACE | |
|
AS8220 | COLT | COLT Technology Services Group Limited | |
|
AS10361 | BLOOMBERG-NET | Bloomberg, LP | |
 |
AS4766 | KIXS-AS-KR | Korea Telecom | |
|
AS10794 | BANKAMERICA | Bank of America, National Association | |
|
AS4635 | HKIX-RS1 | Hong Kong Internet Exchange--Route Server 1 | |
|
AS56043 | APNIC ASN block | APNIC ASN block | |
|
AS3762 | INSTINET-AS | Instinet | |
|
AS14630 | INVESCO | Invesco Group Services, Inc. |
| Country | ASN | Name | Description |
|---|---|---|---|
|
AS6453 | AS6453 | TATA COMMUNICATIONS (AMERICA) INC |
|
AS6939 | HURRICANE | Hurricane Electric LLC |
|
AS8220 | COLT | COLT Technology Services Group Limited |
|
AS4766 | KIXS-AS-KR | Korea Telecom |
IPv4 Upstream Graph
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# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2025, American Registry for Internet Numbers, Ltd. # ASNumber: 6421 ASName: AS6421 ASHandle: AS6421 RegDate: 1996-04-09 Updated: 2014-04-22 Ref: https://rdap.arin.net/registry/autnum/6421 OrgName: TATA COMMUNICATIONS (AMERICA) INC OrgId: TCA-51 Address: 2355 Dulles Corner Boulevard Suite 700 City: Herndon StateProv: VA PostalCode: 20171 Country: US RegDate: 2014-01-28 Updated: 2017-01-28 Ref: https://rdap.arin.net/registry/entity/TCA-51 OrgAbuseHandle: IPNOC14-ARIN OrgAbuseName: IP NOC OrgAbusePhone: +15148687888 OrgAbuseEmail: 6453abuse@tatacommunications.com OrgAbuseRef: https://rdap.arin.net/registry/entity/IPNOC14-ARIN OrgTechHandle: IPADM470-ARIN OrgTechName: IP Admin OrgTechPhone: +91-20-66144444 OrgTechEmail: ip-addr@tatacommunications.com OrgTechRef: https://rdap.arin.net/registry/entity/IPADM470-ARIN OrgNOCHandle: IPNOC14-ARIN OrgNOCName: IP NOC OrgNOCPhone: +15148687888 OrgNOCEmail: 6453abuse@tatacommunications.com OrgNOCRef: https://rdap.arin.net/registry/entity/IPNOC14-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2025, American Registry for Internet Numbers, Ltd. #
| Country | IX | Name | IPv4 | IPv6 | Port Speed |
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