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
- 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 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
| Field | Value |
|---|---|
| ASNumber | 6453 |
| ASName | AS6453 |
| ASHandle | 6453 |
| RegDate | 1996-04-18 |
| Ref | https://rdap.arin.net/registry/autnum/6453 |
| source | ARIN |
| OrgAbuseHandle | IPNOC14-ARIN |
| OrgAbuseName | IP NOC |
| OrgAbusePhone | +15148687888 |
| OrgAbuseEmail | 6453abuse@tatacommunications.com |
| OrgAbuseRef | https://rdap.arin.net/registry/entity/IPNOC14-ARIN |
| source | ARIN |
| OrgNOCHandle | IPNOC14-ARIN |
| OrgNOCName | IP NOC |
| OrgNOCPhone | +15148687888 |
| OrgNOCEmail | 6453abuse@tatacommunications.com |
| OrgNOCRef | https://rdap.arin.net/registry/entity/IPNOC14-ARIN |
| source | ARIN |
| OrgName | TATA COMMUNICATIONS (AMERICA) INC |
| OrgId | TCA-51 |
| Address | 2355 Dulles Corner Boulevard Suite 700 |
| City | Herndon |
| StateProv | VA |
| PostalCode | 20171 |