Summary

Country
US United States
Organization TATA COMMUNICATIONS (AMERICA) INC
Domain tatacommunications.com
Number of IPv4 11,776
Number of IPv6 0
AS Type Hosting
Registry ARIN
Allocated April 09, 1996 (about 29 years ago)
Updated April 22, 2014 (about 11 years ago)

IP Ranges

AS6421 announces 44 IPv4 ranges and 0 IPv6 range.

That's a total of 11,776 IPv4 address and 0 IPv6 address.

Prefix Organization Size Registry Status
14.141.246.0/24
IN Tata Communications Limited
256 APNIC ALLOCATED PORTABLE
14.141.247.0/24
IN Tata Communications Limited
256 APNIC ALLOCATED PORTABLE
59.164.76.0/24
IN Shapath- Leased Line Rbu Bb Nat
256 APNIC ASSIGNED NON-PORTABLE
59.164.77.0/24
IN Shapath- Leased Line Rbu Bb Nat
256 APNIC ASSIGNED NON-PORTABLE
103.16.252.0/23
HK Tata Communications (canada) Ltd.
512 APNIC ALLOCATED PORTABLE
103.16.254.0/23
HK Urgent Shifting From AS 6453 to AS 6421
512 APNIC ASSIGNED NON-PORTABLE
115.110.74.0/24
IN Tata Communications Limited
256 APNIC ALLOCATED PORTABLE
115.112.20.0/24
IN Tata Communications Limited
256 APNIC ALLOCATED PORTABLE
115.112.21.0/24
IN Tata Communications Limited
256 APNIC ALLOCATED PORTABLE
116.0.66.0/24
SG Customers Access -30 And Bb Internal Use
256 APNIC ALLOCATED NON-PORTABLE
121.240.218.0/24
IN Tata Communications Limited
256 APNIC ALLOCATED PORTABLE
121.240.219.0/24
IN Tata Communications Limited
256 APNIC ALLOCATED PORTABLE
138.104.230.0/24
SG Mott Macdonald
256 RIPE NCC LEGACY
138.104.231.0/24
GB Mott Macdonald
256 RIPE NCC LEGACY
180.87.13.0/24
HK The Executive Centre (central) LTD
256 APNIC ASSIGNED NON-PORTABLE
180.87.29.0/24
AU Customers Acces-30 And Bb Use
256 APNIC ASSIGNED NON-PORTABLE
180.87.68.0/24
MY Customers Access -30 And Bb Internal Use
256 APNIC ASSIGNED NON-PORTABLE
180.87.76.0/24
TW Customers Access -31 And Bb Internal Use
256 APNIC ASSIGNED NON-PORTABLE
180.87.91.0/24
AU Au Izo Pool
256 APNIC ALLOCATED NON-PORTABLE
180.87.92.0/24
SG Izo Services in As6421, Required /24 for Singapore/hongkong
256 APNIC ALLOCATED NON-PORTABLE
180.87.115.0/24
AU Mns- Sydney
256 APNIC ASSIGNED NON-PORTABLE
180.87.119.0/24
JP Customers Access /31 And Bb Internal Use-6421
256 APNIC ALLOCATED NON-PORTABLE
180.87.120.0/24
AU MSCI INC::691788
256 APNIC ASSIGNED NON-PORTABLE
180.87.121.0/24
HK Customers Access /31 And Bb Internal Use
256 APNIC ASSIGNED NON-PORTABLE
180.87.122.0/24
IN Tata Communications (canada) Ltd.
256 APNIC ALLOCATED PORTABLE
180.87.124.0/24
SG Tech Mahindra Limited::730454
256 APNIC ASSIGNED NON-PORTABLE
180.87.126.0/24
SG Customers Access /31 And Bb Internal Use
256 APNIC ASSIGNED NON-PORTABLE
180.87.127.0/24
SG MAYBANK KIMENG SECURITIES PTE LTD.::841635
256 APNIC ASSIGNED NON-PORTABLE
180.87.138.0/24
SG Tcl Global Meeting Exchange Asia Pacific
256 APNIC ALLOCATED NON-PORTABLE
180.87.139.0/24
SG Tcl Global Meeting Exchange Asia Pacific
256 APNIC ALLOCATED NON-PORTABLE
180.87.140.0/24
SG Customers Access -30 And Bb Internal Use
256 APNIC ALLOCATED NON-PORTABLE
180.87.141.0/24
HK Customers Access -30 And Bb Internal Use
256 APNIC ALLOCATED NON-PORTABLE
180.87.152.0/24
SG Neotel/high Commission of Singapore
256 APNIC ASSIGNED NON-PORTABLE
180.87.153.0/24
HK SATELLITE TELEVISION ASIAN REGION LTD
256 APNIC ASSIGNED NON-PORTABLE
180.87.190.0/24
IN Tata Communications (canada) Ltd.
256 APNIC ALLOCATED PORTABLE
180.87.191.0/24
HK Customer Access-30 And Bb Internal Use
256 APNIC ASSIGNED NON-PORTABLE
202.183.65.0/24
AU Unknown
256 APNIC ASSIGNED NON-PORTABLE
202.183.66.0/24
JP Customers Access /31 And Bb Internal Use for 6421
256 APNIC ALLOCATED NON-PORTABLE
202.183.69.0/24
MY Internal Bb And Xconnect
256 APNIC ASSIGNED NON-PORTABLE
202.183.70.0/24
MY Gsmc Management in Malaysia for Our Ipc Infra Via AS 6421//877870
256 APNIC ALLOCATED NON-PORTABLE
202.183.72.0/24
AU CUST:A06GS 1MH NP1:NVESTEC BANK PLC::1127189
256 APNIC ALLOCATED NON-PORTABLE
202.183.75.0/24
AU BB, XC /30 /31
256 APNIC ALLOCATED NON-PORTABLE
202.183.77.0/24
MY Gsmc Management in Malaysia for Our Ipc Infra Via AS 6421//877870
256 APNIC ALLOCATED NON-PORTABLE
202.183.79.0/24
CA Tata Communications (canada) Ltd.
256 APNIC ALLOCATED PORTABLE

Peers

AS6421 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.

Upstreams

AS6421 connects to the global Internet via at least 5 upstream providers. In this setup, AS6421 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS6421 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS6421's role in extending Internet access beyond its own infrastructure.

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