Data as of Nov 12, 2026
202.183.72.0/21
No anonymizer space · no proxy exits in 30 daysTata Communications (America) Inc · space held by Tata Communications (CANADA) Ltd.
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 202.183.72.0/24 since Sep 2019 | AS6421 | Unknown | Tata Communications (CANADA) Ltd. via AU Region | |
| 202.183.74.0/24 since Jun 2019 | AS6421 | Unknown | Tata Communications (CANADA) Ltd. | |
| 202.183.75.0/24 since Jun 2019 | AS6421 | Unknown | Tata Communications (CANADA) Ltd. via BB, XC /30 /31 | |
| 202.183.76.0/24 since Dec 2025 | AS6421 | Internet provider | Tata Communications (CANADA) Ltd. | |
| 202.183.77.0/24 since Dec 2018 | AS6421 | Unknown | Tata Communications (CANADA) Ltd. via GSMC Management in Malaysia for our IPC infra via AS 6421//877870 | |
| 202.183.79.0/24 since Aug 2020 | AS6421 | Internet provider | Tata Communications (CANADA) Ltd. |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 202.183.64.0/20 | 4,096 | TATA-COMMUNICATIONS-LTD | Tata Communications (CANADA) Ltd. (ORG-TCL1-AP) · CA | ALLOCATED PORTABLE | — | 6453abuse@ |
| └ 202.183.72.0/24 | 256 | CUSTBB-TATAC | AU Region | ALLOCATED NON-PORTABLE | — | 6453abuse@ |
| └ 202.183.72.0/28 | 16 | INVESTEC-TATAC | CUST:A06GS 1MH NP1:NVESTEC Bank PLC | ALLOCATED NON-PORTABLE | — | 6453abuse@ |
| └ 202.183.72.16/31 | 2 | SMITHNEPHEW-TATAC | S+N site North Ryde AU - new EoMPLS | ASSIGNED NON-PORTABLE | — | 6453abuse@ |
| └ 202.183.72.32/28 | 16 | CUST_ | Environmental Resources Management Australia Pty Limited | ALLOCATED NON-PORTABLE | — | 6453abuse@ |
| └ 202.183.73.0/24 | 256 | AS4755-TATAC | CC-BB- Orphan | ALLOCATED NON-PORTABLE | — | 6453abuse@ |
| └ 202.183.74.0/24 | 256 | AS4755-TATAC | unknown | ALLOCATED NON-PORTABLE | — | 6453abuse@ |
| └ 202.183.75.0/24 | 256 | Ginjn1-TATAC | BB, XC /30 /31 | ALLOCATED NON-PORTABLE | — | 6453abuse@ |
| └ 202.183.76.0/29 | 8 | Keysight-TATAC | Keysight Technologies Singapore (International) Pte. Ltd:: 1003611" | ASSIGNED NON-PORTABLE | — | 6453abuse@ |
| └ 202.183.76.16/28 | 16 | Keysight-TATAC | Keysight Technologies Singapore (International) Pte. Ltd:: 1003611" | ASSIGNED NON-PORTABLE | — | 6453abuse@ |
| └ 202.183.76.32/27 | 32 | IPCPlatform-TATAC | RXC:IPC Platfrom-Tamilmaravan 03-05-2017:TV OO # 877870 - 50 Mbps Internet bandwidth needed in Malaysia for GSMC management via AS 6421 for our IPC infra. | ASSIGNED NON-PORTABLE | — | 6453abuse@ |
| └ 202.183.76.72/29 | 8 | GRAB-TATAC | Grab Management Services Sdn. Bhd | ASSIGNED NON-PORTABLE | — | 6453abuse@ |
| └ 202.183.76.80/29 | 8 | GRAB-TATAC | Grab Management Services Sdn. Bhd | ASSIGNED NON-PORTABLE | — | 6453abuse@ |
| └ 202.183.77.0/24 | 256 | GSMC-TATAC | GSMC Management in Malaysia for our IPC infra via AS 6421//877870 | ALLOCATED NON-PORTABLE | — | 6453abuse@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Unknown | 1,006 | 49% | 4 | |
| Internet provider | 952 | 46% | 6 | |
| Business | 90 | 4.4% | 7 |
Network & registry
Announced by
Covering announcement 202.183.64.0/20
- Prefix
- 202.183.64.0/20
- Announced by
- AS6453 Tata Communications (America) Inc
- Type
- Internet provider
- RPKI
- RPKI valid
- Netname
- TATA-COMMUNICATIONS-LTD
- Registrant
- Tata Communications (CANADA) Ltd.
- RIR
- APNIC
Origin network
AS6453
US
- Name
- Tata Communications (America) Inc
- Type
- Internet provider
- Registered
- Apr 18, 1996
- Domain
- tatacommunications.com
- Website
- www.tatacommunications.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 202.183.64.0/20
202.183.64.0/20
Routing history
- Pattern
- Stable
- First seen
- Apr 2016
- Current origin since
- Apr 2016 · 11 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 202.183.64.0/20 | AS6453 | /24 | APNIC | RPKI valid |
IRR
Route objects on 202.183.64.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6453 | APNIC | Route object for Tata Communications | MAINT-AP-TATACOMMUNICATIONS | Apr 20, 2016 |
Whois
Registration for this announcement
- Range
- 202.
183. 64. 0/ 20 - Netname
- TATA-COMMUNICATIONS-LTD
- Registrant
- Tata Communications (CANADA) Ltd.
- Registrant country
- CA
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Feb 18, 2025
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CA
- Delegated
- Aug 2, 2001
- Status
- assigned
Report abuse
Abuse contact
- 6453abuse@
tatacommunications. com - Name
- ABUSE TATACOMMUNICATIONSAP
- Handle
- AT1086-AP