$ 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 Hong Kong SAR China and Australia, and smaller footprints in 6 additional countries.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • 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
October 23, 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 (2 752 IPs), 🇭🇰 Hong Kong SAR China (1 856 IPs), 🇦🇺 Australia (1 680 IPs) and 6 more
Prefix Changed
April 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
25 networks exchanging traffic without transit
Downstream Customers
11 downstreams buying transit
Unclassified
4 unclassified BGP neighbors
Degree
44 unique BGP neighbors
Reach
17 networks in customer cone

Upstream Providers (4)

Prefix Lists

IPv4 Prefixes (37 total)

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

IPv6 Prefixes (1 total)

  • 2405:2001:100::/48