Data as of Nov 10, 2026
63.243.158.0/24
No anonymizer space · no proxy exits in 30 daysTata Communications (America) Inc
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 |
|---|---|---|---|---|---|---|
| 63.243.128.0/17 | 32,768 | TATAC-ARIN-1 | Tata Communications (America) Inc (TCA-51) · US | Direct Allocation | Aug 17, 2001 | 6453abuse@ |
| └ 63.243.158.0/24 | 256 | DIGITALDAYS-VSNL-01 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 63.243.128.0/17
- Prefix
- 63.243.128.0/17
- Announced by
- AS6453 Tata Communications (America) Inc
- Type
- Internet provider
- Proxy exits
- 9
- Always-on exits
- 2
- RPKI
- RPKI valid
- Netname
- TATAC-ARIN-1
- Registrant
- Tata Communications (America) Inc
- RIR
- ARIN
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 63.243.128.0/17
63.243.128.0/17
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 63.243.128.0/17 | AS6453 | /17 | ARIN | RPKI valid |
IRR
Route objects on 63.243.128.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6453 | ARIN | supernet | MNT-TCA-51 | May 27, 2021 |
Whois
Registration for this announcement
- Range
- 63.
243. 128. 0/ 17 - Netname
- TATAC-ARIN-1
- Registrant
- Tata Communications (America) Inc
- Organization
- Tata Communications (America) Inc (TCA-51)
- Org address
- 2355 Dulles Corner Boulevard Suite 700, Herndon, VA, 20171
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-63-243-128-0-1
- Parent
- NET-63-0-0-0-0
- Created
- Aug 17, 2001
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 17, 2001
- Status
- assigned
Report abuse
Abuse contact
- 6453abuse@
tatacommunications. com - Name
- IP NOC
- Phone
- +15148687888
- Handle
- IPNOC14-ARIN