AS6421 is the autonomous system of TATA COMMUNICATIONS (AMERICA) INC. It holds 9,984 IPv4 addresses in 26 prefixes plus 1 IPv6 ranges, mainly in 
Singapore.
By IPv4 addresses the network ranks #9,145 worldwide and #68 of 507 networks in Singapore. That is 0.05% of the country’s IPv4 space.
The network spreads across six or more countries: Singapore 34%, Hong Kong 24%, Australia 19%.
The largest block is 202.183.74.0 to 202.183.77.255 with 1,024 addresses, geolocated to Melbourne.
- IPv4 addresses
- 9,984
- IPv4 prefixes
- 26
- World rank
- #9,145
- Country share
- 0.05%
- IPv6 ranges
- 1
Addresses by country
Largest blocks
- 202.183.74.0 Melbourne1,024
- 180.87.138.0 Singapore1,024
- 180.87.119.0 Shibuya City1,024
- 103.16.252.0 Singapore1,024
- 202.183.64.0 Sydney768
- 202.183.69.0 Kuala Lumpur512
- 180.87.190.0 Hong Kong512
- 180.87.152.0 Singapore512
Networks of similar size
9,984
9,984
9,984
9,984
9,984
9,984IPv4 prefixes
- 103.16.252.0/22
- 116.0.66.0/24
- 138.104.230.0/23
- 180.87.13.0/24
- 180.87.29.0/24
- 180.87.68.0/24
- 180.87.91.0/24
- 180.87.92.0/24
- 180.87.115.0/24
- 180.87.119.0/24
- 180.87.120.0/23
- 180.87.122.0/24
- 180.87.124.0/24
- 180.87.126.0/23
- 180.87.138.0/23
- 180.87.140.0/23
- 180.87.152.0/23
- 180.87.190.0/23
- 202.183.64.0/23
- 202.183.66.0/24
- 202.183.69.0/24
- 202.183.70.0/24
- 202.183.72.0/24
- 202.183.74.0/23
- 202.183.76.0/23
- 202.183.79.0/24
Questions and answers
Who owns AS6421?
Autonomous system AS6421 is operated by TATA COMMUNICATIONS (AMERICA) INC.
How many IP addresses does AS6421 have?
The network holds 9,984 IPv4 addresses in 26 prefixes, plus 1 IPv6 ranges.
Which country is AS6421 in?
The main country is Singapore, with addresses in 5 more countries.
How big is AS6421?
By IPv4 addresses it ranks #9,145 worldwide.
What is the largest address block of AS6421?
202.183.74.0 to 202.183.77.255, 1,024 addresses.