AS6421
TATA COMMUNICATIONS (AMERICA) INC
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About Tata Communications
Tata Communications Limited is an Indian telecommunications company, headquartered in Mumbai, Maharashtra. It was a government-owned telecommunications service provider before being sold to the Tata Group in 2002 under the Third Vajpayee ministry government.
AS6421 — global IP footprint
Cities where AS6421 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS6421 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 202.183.64.0/24 | 99,367 | 2026-07-29 14:21:56 |
| 202.183.74.0/24 | 84,320 | 2026-07-29 14:21:56 |
| 180.87.29.0/24 | 71,875 | 2026-07-29 15:14:13 |
| 202.183.65.0/24 | 71,437 | 2026-07-29 15:14:13 |
| 202.183.72.0/24 | 71,065 | 2026-07-29 15:14:13 |
| 202.183.75.0/24 | 66,407 | 2026-07-29 15:14:13 |
| 180.87.115.0/24 | 66,283 | 2026-07-29 15:14:13 |
| 180.87.124.0/24 | 15,193 | 2026-07-29 15:14:26 |
| 103.16.252.0/23 | 14,653 | 2026-07-29 14:55:34 |
| 180.87.126.0/24 | 11,467 | 2026-07-29 15:14:13 |
| 180.87.127.0/24 | 11,467 | 2026-07-29 15:14:13 |
| 180.87.92.0/24 | 11,148 | 2026-07-29 15:14:13 |
| 180.87.152.0/24 | 10,828 | 2026-07-29 15:14:13 |
| 180.87.140.0/24 | 10,764 | 2026-07-29 15:14:13 |
| 138.104.230.0/24 | 10,691 | 2026-07-29 15:14:17 |
| 138.104.231.0/24 | 10,681 | 2026-07-29 15:14:17 |
| 116.0.66.0/24 | 10,677 | 2026-07-29 15:14:13 |
| 202.183.77.0/24 | 8,917 | 2026-07-29 15:14:13 |
| 202.183.79.0/24 | 8,916 | 2026-07-29 15:14:13 |
| 202.183.70.0/24 | 8,850 | 2026-07-29 15:14:13 |
| 202.183.76.0/24 | 8,834 | 2026-07-29 15:14:13 |
| 180.87.139.0/24 | 8,713 | 2026-07-29 15:14:13 |
| 180.87.138.0/24 | 8,685 | 2026-07-29 15:14:13 |
| 180.87.141.0/24 | 8,474 | 2026-07-29 15:14:13 |
| 180.87.153.0/24 | 8,450 | 2026-07-29 15:14:13 |
| 180.87.122.0/24 | 8,442 | 2026-07-29 15:14:13 |
| 180.87.68.0/24 | 8,405 | 2026-07-29 15:14:13 |
| 103.16.254.0/23 | 8,392 | 2026-07-29 15:14:13 |
| 202.183.69.0/24 | 8,216 | 2026-07-29 15:14:13 |
| 180.87.121.0/24 | 8,201 | 2026-07-29 15:14:13 |
| 180.87.191.0/24 | 8,094 | 2026-07-29 15:14:13 |
| 180.87.190.0/24 | 8,043 | 2026-07-29 15:14:13 |
| 180.87.13.0/24 | 7,972 | 2026-07-29 15:14:13 |
| 180.87.91.0/24 | 4,426 | 2026-07-29 15:14:13 |
| 180.87.120.0/24 | 4,114 | 2026-07-29 15:14:13 |
| 180.87.119.0/24 | 4,017 | 2026-07-29 15:14:13 |
| 202.183.66.0/24 | 3,978 | 2026-07-29 15:14:13 |
Frequently Asked Questions
What is AS6421?
AS6421 is an Autonomous System Number assigned to TATA COMMUNICATIONS (AMERICA) INC. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS6421 announce?
AS6421 announces 9.5K IPv4 addresses distributed across 26 routed CIDR prefixes. The network is registered in Singapore.
Who operates AS6421?
AS6421 is operated by TATA COMMUNICATIONS AMERICA INC. The organization is based in Singapore. You can view all IP ranges and related ASNs on the organization page.
What country is AS6421 registered in?
AS6421 is registered in Singapore. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
