$ query “AS6421” --type=asn → 1 result(s)

AS6421 · AS6421

TATA COMMUNICATIONS (AMERICA) INC

AS6421 is run by TATA COMMUNICATIONS (AMERICA) INC and is a mid-size transit provider, registered in the United States since 1996. The system announces 9 984 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Singapore, with additional presence in Australia and Hong Kong SAR China, and smaller footprints in 5 additional countries.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #72 by Reach — Top 100 by customer cone size
  • Pioneer — Registered before the year 2000

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
April 09, 1996
Last Changed
March 04, 2026
Last Seen
September 09, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
37 / 26
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
9 984
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/48
Geolocated Countries
🇸🇬 Singapore (5 136 IPs), 🇦🇺 Australia (3 728 IPs), 🇭🇰 Hong Kong SAR China (2 608 IPs) and 5 more
Prefix Changed
April 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
22 networks exchanging traffic without transit
Downstream Customers
13 downstreams buying transit
Degree
39 unique BGP neighbors
Reach
39 359 networks in customer cone

Upstream Providers (4)

Prefix Lists

IPv4 Prefixes (37 total)

  • 103.16.252.0/22 (1 024 addresses (/22 prefix))
  • 180.87.126.0/23 (512 addresses (/23 prefix))
  • 202.183.76.0/23 (512 addresses (/23 prefix))
  • 138.104.230.0/23 (512 addresses (/23 prefix))
  • 202.183.74.0/23 (512 addresses (/23 prefix))
  • 202.183.64.0/23 (512 addresses (/23 prefix))
  • 180.87.190.0/23 (512 addresses (/23 prefix))
  • 180.87.152.0/23 (512 addresses (/23 prefix))
  • 180.87.140.0/23 (512 addresses (/23 prefix))
  • 180.87.138.0/23 (512 addresses (/23 prefix))
  • 180.87.120.0/23 (512 addresses (/23 prefix))
  • 180.87.91.0/24 (256 addresses (/24 prefix))
  • 180.87.29.0/24 (256 addresses (/24 prefix))
  • 180.87.122.0/24 (256 addresses (/24 prefix))
  • 180.87.119.0/24 (256 addresses (/24 prefix))
  • 180.87.115.0/24 (256 addresses (/24 prefix))
  • 180.87.92.0/24 (256 addresses (/24 prefix))
  • 180.87.68.0/24 (256 addresses (/24 prefix))
  • 180.87.124.0/24 (256 addresses (/24 prefix))
  • 202.183.66.0/24 (256 addresses (/24 prefix))
  • 202.183.69.0/24 (256 addresses (/24 prefix))
  • 202.183.70.0/24 (256 addresses (/24 prefix))
  • 202.183.72.0/24 (256 addresses (/24 prefix))
  • 180.87.13.0/24 (256 addresses (/24 prefix))
  • 116.0.66.0/24 (256 addresses (/24 prefix))
  • 202.183.79.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (1 total)

  • 2405:2001:100::/48