Data as of Nov 10, 2026
61.17.2.0/23
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 | Holder | RPKI |
|---|---|---|---|---|
| 61.17.0.0/21 since Nov 2008 | AS17908 | Residential | Tata Communications Limited | |
| 61.17.0.0/16 since Oct 2022 | AS4755 | Business | Tata Communications Limited |
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 |
|---|---|---|---|---|---|---|
| 61.17.0.0/16 | 65,536 | TATACOMM-IN | Tata Communications Limited (ORG-TCL6-AP) · IN | ALLOCATED PORTABLE | — | 4755abuse@ |
| └ 61.17.0.0/21 | 2,048 | RBU_ | Used for Static Broadband Customers in Chennai | 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
Registry
Holder
- Organization
- Tata Communications Limited
- Handle
- ORG-TCL6-AP
- Range
- 61.
17. 0. 0/ 16 - Registration type
- ALLOCATED PORTABLE
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
- Jun 2006
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 2
- Last change of origin
- Mar 2011
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 61.17.2.0/23 | AS4755 | /23 | APNIC | RPKI valid |
| 61.17.0.0/21 | AS17908 | /21 | APNIC | Another network |
| 61.17.0.0/16 | AS4755 | /16 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 61.
17. 0. 0/ 21 - Netname
- RBU_
STATIC-CHENNAI - Registrant
- Used for Static Broadband Customers in Chennai
- Registrant country
- IN
- Organization
- Used for Static Broadband Customers in Chennai
- Org country
- IN
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Sep 4, 2008
- Maintainer
- MAINT-VSNL-AP
- RIR
- APNIC
- Country
- IN
- Delegated
- Jun 12, 2002
- Status
- assigned
Report abuse
Abuse contact
- 4755abuse@
tatacommunications. com - Name
- ABUSE TATACOMMIN
- Handle
- AT1356-AP