Data as of Nov 8, 2026
66.110.40.0/21
No anonymizer space · no proxy exits in 30 daysTata Communications (America) Inc
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 66.110.0.0/18 since Nov 2025 | AS6453 | Internet provider | Tata Communications (America) Inc | ||
| 66.110.0.0/17 since May 2005 | AS6453 | Unknown | 3 |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 66.110.40.0/23 since Jun 2017 | AS6453 | Internet provider | Tata Communications (America) Inc | |
| 66.110.41.0/24 since Oct 2015 | AS6453 | Hosting | Tata Communications (America) Inc | |
| 66.110.42.0/23 since Jun 2017 | AS6453 | Internet provider | Tata Communications (America) Inc | |
| 66.110.43.0/24 since May 2019 | AS7029 | Residential | Tata Communications (America) Inc | |
| 66.110.44.0/23 since Jun 2017 | AS6453 | Internet provider | Tata Communications (America) Inc | |
| 66.110.46.0/23 since Jun 2017 | AS6453 | Internet provider | Tata Communications (America) Inc |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 66. | 22,528 | TATAC-ARIN-3 | Tata Communications (America) Inc (TCA-51) · US | Direct Allocation | May 23, 2001 | 6453abuse@ |
| └ 66.110.40.8/29 | 8 | CERTES-TNM-TATAC | unknown | — | — | — |
| └ 66.110.40.16/28 | 16 | VA210-TATAC | unknown | — | — | — |
| └ 66.110.40.32/28 | 16 | VA210-TATAC | unknown | — | — | — |
| └ 66.110.40.48/28 | 16 | VA210-TATAC | unknown | — | — | — |
| └ 66.110.41.0/24 | 256 | IZOHYBRID-TATAC | VSNL Enterprise Colo (VEC-49) · US | Reassigned | Aug 27, 2015 | — |
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 | |
|---|---|---|---|---|
| Internet provider | 1,480 | 72% | 5 | |
| Hosting | 256 | 13% | 1 | |
| Residential | 256 | 13% | 1 | |
| Business | 56 | 2.7% | 4 |
Network & registry
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2014
- Current origin since
- Jun 2014 · 12 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.110.40.0/21 | AS6453 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 66.
110. 0. 0 - 66. 110. 87. 255 - Netname
- TATAC-ARIN-3
- 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-66-110-0-0-1
- Parent
- NET-66-0-0-0-0
- Created
- May 23, 2001
- RIR
- ARIN
- Country
- US
- Delegated
- May 23, 2001
- Status
- assigned
Report abuse
Abuse contact
- 6453abuse@
tatacommunications. com - Name
- IP NOC
- Phone
- +15148687888
- Handle
- IPNOC14-ARIN