Data as of Nov 11, 2026
121.243.8.0/22
No anonymizer space · no proxy exits in 30 daysTATA Communications formerly VSNL is Leading ISP · space held by Tata Communications Limited
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 121.243.11.0/24 since Mar 2012 | AS4755 | Business | Tata Communications Limited |
Network & registry
Announced by
Covering announcement 121.243.0.0/17
- Prefix
- 121.243.0.0/17
- Announced by
- AS4755 TATA Communications formerly VSNL is Leading ISP
- Type
- Business
- Proxy exits
- 12
- RPKI
- RPKI valid
- Netname
- TATACOMM-IN
- Registrant
- Tata Communications Limited
- RIR
- APNIC
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
Who has announced 121.243.0.0/17
121.243.0.0/17
Routing history
- Pattern
- Stable
- First seen
- Jun 2009
- Current origin since
- Jun 2009 · 17 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 121.243.0.0/17 | AS4755 | /17 | APNIC | RPKI valid |
IRR
Route objects on 121.243.0.0/17
| 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
- 4755abuse@
tatacommunications. com - Name
- ABUSE TATACOMMIN
- Handle
- AT1356-AP