Data as of Nov 6, 2026
121.245.77.0/24
No anonymizer space · no proxy exits in 30 daysTata Communications Ltd · space held by Tata Communications Limited
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 121.245.64.0/18 since Dec 2009 | AS4755 | Mobile | Tata Communications Limited |
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 |
|---|---|---|---|---|---|---|
| 121.240.0.0/13 | 524,288 | TATACOMM-IN | Tata Communications Limited (ORG-TCL6-AP) · IN | ALLOCATED PORTABLE | — | 4755abuse@ |
| └ 121.245.77.0/24 | 256 | TATA_ | DELHI-VSB- Leased line TATA TELESERVICES LTD | ASSIGNED NON-PORTABLE | — | 4755abuse@ via TATACOMM-IN |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 121.245.64.0/20
- Prefix
- 121.245.64.0/20
- Announced by
- AS10199 Tata Communications Ltd
- Type
- Mobile
- RPKI
- RPKI valid
- Netname
- TATACOMM-IN
- Registrant
- Tata Communications Limited
- RIR
- APNIC
Origin network
AS10199
IN
- Name
- Tata Communications Ltd
- Type
- Internet provider
- Registered
- Sep 1, 2000
- Domain
- tatacommunications.com
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
121.245.64.0/20
Routing history
- Pattern
- Stable
- First seen
- Dec 2009
- Current origin since
- Dec 2009 · 17 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 121.245.64.0/20 | AS10199 | /20 | APNIC | RPKI valid |
| 121.245.64.0/18 | AS4755 | /18 | APNIC | Another network |
IRR
Route objects on 121.245.64.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS10199 | APNIC | Tata Communications Limited | MAINT-VSNL-AP | Sep 29, 2020 |
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