AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC

Everything the routing table and the registries say about AS6453: who holds it, which registry issued it, and which address blocks it advertises.

Transit and backboneAS6453

126 IPv4 and 17 IPv6 prefixes announced.

Registry facts

Refreshed daily
AS number
AS6453
Holder
AS6453 - TATA COMMUNICATIONS (AMERICA) INC
Country
US
Regional registry
ARIN — American Registry for Internet Numbers
Registry block
5632-6655 (IANA 16-bit Autonomous System (AS) Numbers Registry)
Announced today
Yes
IPv4 prefixes
126
IPv6 prefixes
17
Observed at
2026-09-05T16:00:00

Data: RIPEstat. Prefix and holder data comes from the RIPEstat Data API and is cached for 24 hours. The regional registry is derived from the IANA AS number allocation table. Authoritative registry records are served by ARIN RDAP.

Announced prefixes

126 IPv4 · 17 IPv6
  • 126 IPv4 shown
  • 17 IPv6 shown
  • 5.23.0.0/19
  • 41.206.160.0/20
  • 41.206.176.0/21
  • 41.206.184.0/23
  • 41.206.188.0/23
  • 43.241.40.0/22
  • 43.241.40.0/24
  • 43.241.41.0/24
  • 43.241.42.0/24
  • 45.231.24.0/22
  • 45.231.26.0/24
  • 59.163.231.0/24
  • 63.243.128.0/17
  • 64.7.112.0/20
  • 64.86.0.0/16
  • 66.110.0.0/17
  • 66.110.0.0/18
  • 66.110.40.0/21
  • 66.110.40.0/23
  • 66.110.41.0/24
  • 66.110.42.0/23
  • 66.110.44.0/23
  • 66.110.46.0/23
  • 66.110.64.0/20
  • 66.110.80.0/21
  • 66.110.96.0/19
  • 66.198.0.0/19
  • 66.198.32.0/20
  • 66.198.56.0/21
  • 66.198.64.0/20
  • 66.198.80.0/21
  • 66.198.81.0/24
  • 66.198.96.0/19
  • 66.198.128.0/18
  • 80.231.0.0/16
  • 80.231.8.0/21
  • 80.231.11.0/24
  • 80.231.56.0/24
  • 80.231.71.0/24
  • 80.231.93.0/24
  • 80.231.94.0/24
  • 80.231.136.0/24
  • 80.231.155.0/24
  • 80.231.235.0/24
  • 82.194.42.0/24
  • 103.16.252.0/22
  • 103.21.80.0/24
  • 104.161.12.0/23
  • 115.108.48.0/20
  • 115.108.48.0/24
  • 115.108.49.0/24
  • 115.108.58.0/24
  • 115.108.59.0/24
  • 115.112.168.0/23
  • 116.0.64.0/19
  • 116.0.70.0/24
  • 116.0.76.0/24
  • 116.0.82.0/24
  • 116.0.93.0/24
  • 120.29.192.0/19
  • 120.29.209.0/24
  • 120.29.219.0/24
  • 138.104.226.0/24
  • 138.104.227.0/24
  • 138.104.233.0/24
  • 138.104.236.0/24
  • 162.213.98.0/24
  • 162.213.100.0/24
  • 174.35.119.0/24
  • 180.87.0.0/17
  • 180.87.35.0/24
  • 180.87.57.0/24
  • 180.87.65.0/24
  • 180.87.66.0/24
  • 180.87.88.0/21
  • 180.87.88.0/24
  • 180.87.90.0/24
  • 180.87.99.0/24
  • 180.87.101.0/24
  • 180.87.125.0/24
  • 180.87.128.0/18
  • 180.87.130.0/24
  • 180.87.142.0/24
  • 180.87.151.0/24
  • 180.87.185.0/24
  • 185.15.13.0/24
  • 185.76.100.0/24
  • 185.197.252.0/22
  • 193.26.192.0/24
  • 193.26.193.0/24
  • 193.26.196.0/24
  • 193.26.197.0/24
  • 193.26.198.0/24
  • 193.26.200.0/23
  • 193.26.204.0/24
  • 193.26.206.0/23
  • 193.142.125.0/24
  • 193.188.123.0/24
  • 193.227.133.0/24
  • 195.219.0.0/16
  • 195.219.22.0/24
  • 195.219.38.0/24
  • 195.219.40.0/24
  • 195.219.41.0/24
  • 195.219.43.0/24
  • 195.219.45.0/24
  • 195.219.47.0/24
  • 195.219.96.0/24
  • 195.219.204.0/24
  • 195.219.240.0/24
  • 197.242.32.0/19
  • 197.242.48.0/21
  • 199.202.32.0/19
  • 202.183.64.0/20
  • 203.199.243.0/24
  • 206.82.128.0/20
  • 207.45.192.0/19
  • 208.80.250.0/24
  • 209.58.0.0/17
  • 212.12.160.0/24
  • 212.12.182.0/24
  • 216.6.0.0/17
  • 216.6.72.0/24
  • 216.6.73.0/24
  • 216.6.74.0/24
  • 216.6.75.0/24
  • 2001:42c8::/32
  • 2001:5a0::/32
  • 2001:5a0:3f06::/48
  • 2001:5a0:4604::/48
  • 2001:5a0:9000::/36
  • 2001:5a0:9000::/38
  • 2001:5a0:9400::/38
  • 2001:5a0:9800::/38
  • 2001:5a0:9c00::/38
  • 2405:2000::/31
  • 2405:2000::/32
  • 2405:2000:2001::/48
  • 2405:2000:fe00::/40
  • 2405:2001:2::/48
  • 2804:49f4::/32
  • 2a01:3e0::/29
  • 2a01:3e0::/32

A prefix here is a block this AS was seen originating in BGP, not a block it is guaranteed to own. Announcement and allocation are different facts, and they disagree more often than people expect.

Registry record

arin
FieldValue
ASNumber6453
ASNameAS6453
ASHandle6453
RegDate1996-04-18
Refhttps://rdap.arin.net/registry/autnum/6453
sourceARIN
OrgAbuseHandleIPNOC14-ARIN
OrgAbuseNameIP NOC
OrgAbusePhone+15148687888
OrgAbuseEmail6453abuse@tatacommunications.com
OrgAbuseRefhttps://rdap.arin.net/registry/entity/IPNOC14-ARIN
sourceARIN
OrgNOCHandleIPNOC14-ARIN
OrgNOCNameIP NOC
OrgNOCPhone+15148687888
OrgNOCEmail6453abuse@tatacommunications.com
OrgNOCRefhttps://rdap.arin.net/registry/entity/IPNOC14-ARIN
sourceARIN
OrgNameTATA COMMUNICATIONS (AMERICA) INC
OrgIdTCA-51
Address2355 Dulles Corner Boulevard Suite 700
CityHerndon
StateProvVA
PostalCode20171

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