Data as of Nov 4, 2026
121.244.168.0/21
No anonymizer space · no proxy exits in 30 daysTATA Communications formerly VSNL is Leading ISP · space held by Tata Communications Limited
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 121.244.128.0/18 since Jan 2007 | AS4755 | Business | 8 | Tata Communications Limited |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 121.244.170.0/24 since Sep 2015 | AS4755 | Business | Tata Communications Limited | |
| 121.244.172.0/24 since Sep 2016 | AS40009 | Hosting | Tata Communications Limited | |
| 121.244.173.0/24 since Sep 2016 | AS40009 | Hosting | Tata Communications Limited | |
| 121.244.174.0/24 since Jan 2026 | AS149528 | Business | Tata Communications Limited |
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 | 1,024 | 50% | 3 | |
| Business | 512 | 25% | 2 | |
| Hosting | 512 | 25% | 2 |
Network & registry
Origin network
AS4755
IN
- Name
- TATA Communications formerly VSNL is Leading ISP
- Type
- Internet provider
- Registered
- May 13, 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
- Dec 2007
- Current origin since
- Dec 2007 · 19 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 121.244.168.0/21 | AS4755 | /21 | APNIC | RPKI valid |
| 121.244.128.0/18 | AS4755 | /18 | APNIC | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4755 | RADB | VSNL Route Object | MAINT-VSNL-IN | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 121.240.0.0/13
- Netname
- TATACOMM-IN
- Registrant
- Tata Communications Limited
- Registrant country
- IN
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 8, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- IN
- Delegated
- Aug 14, 2006
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE TATACOMMIN
- Handle
- AT1356-AP