Data as of Nov 6, 2026
61.17.128.0/17
No anonymizer space · no proxy exits in 30 daysTATA Communications formerly VSNL is Leading ISP · space held by Tata Communications Limited
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 61.17.128.0/19 since Apr 2010 | AS17908 | Internet provider | Tata Communications Limited | |
| 61.17.152.0/21 since Feb 2015 | AS4755 | Residential | Tata Communications Limited | |
| 61.17.160.0/21 since Feb 2015 | AS4755 | Residential | Tata Communications Limited | |
| 61.17.172.0/22 since May 2024 | AS4755 | Residential | Tata Communications Limited | |
| 61.17.180.0/22 since Nov 2008 | AS17908 | Residential | Tata Communications Limited | |
| 61.17.180.0/24 since Jul 2019 | AS4755 | Residential | Tata Communications Limited | |
| 61.17.208.0/21 since Oct 2008 | AS17908 | Residential | Tata Communications Limited | |
| 61.17.216.0/22 since Jul 2019 | AS17908 | Residential | Tata Communications Limited | |
| 61.17.224.0/22 since Mar 2017 | AS17908 | Residential | Tata Communications Limited | |
| 61.17.228.0/23 since Mar 2017 | AS17908 | Residential | Tata Communications Limited | |
| 61.17.236.0/23 since Nov 2008 | AS17908 | Internet provider | Tata Communications Limited | |
| 61.17.238.0/24 since Nov 2008 | AS17908 | Residential | Tata Communications Limited | |
| 61.17.240.0/20 since Oct 2008 | AS17908 | Residential | 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 |
|---|---|---|---|---|---|---|
| 61.17.0.0/16 | 65,536 | TATACOMM-IN | Tata Communications Limited (ORG-TCL6-AP) · IN | ALLOCATED PORTABLE | — | 4755abuse@ |
| └ 61.17.128.0/20 | 4,096 | RBU_ | Used for Static Broadband Customers in Delhi | ASSIGNED NON-PORTABLE | — | 4755abuse@ via TATACOMM-IN |
| └ 61.17.144.0/21 | 2,048 | RBU_ | Used for Dynamic Broadband Customers in Delhi | ASSIGNED NON-PORTABLE | — | 4755abuse@ via TATACOMM-IN |
| └ 61.17.152.0/21 | 2,048 | RBU_ | Used for Static Broadband Customers in Mumbai | ASSIGNED NON-PORTABLE | — | 4755abuse@ via TATACOMM-IN |
| └ 61.17.160.0/20 | 4,096 | RBU_ | Used for Static Broadband Customers in Mumbai | ASSIGNED NON-PORTABLE | — | 4755abuse@ via TATACOMM-IN |
| └ 61.17.176.0/22 | 1,024 | RBU_ | Used for Static Broadband Customers in Chennai | ASSIGNED NON-PORTABLE | — | 4755abuse@ via TATACOMM-IN |
| └ 61.17.180.0/22 | 1,024 | RBU_ | Used for Static Broadband Customers in Mumbai | ASSIGNED NON-PORTABLE | — | 4755abuse@ via TATACOMM-IN |
| └ 61.17.184.0/21 | 2,048 | RBU_ | Used for Static Broadband Customers in Chennai | ASSIGNED NON-PORTABLE | — | 4755abuse@ via TATACOMM-IN |
| └ 61.17.192.0/21 | 2,048 | RBU_ | Used for Static Broadband Customers in Pune | ASSIGNED NON-PORTABLE | — | 4755abuse@ via TATACOMM-IN |
| └ 61.17.200.0/21 | 2,048 | RBU_ | Used for Static Broadband Customers in Pune | ASSIGNED NON-PORTABLE | — | 4755abuse@ via TATACOMM-IN |
| └ 61.17.208.0/21 | 2,048 | RBU_ | Used for Static Broadband Customers in Ahmedabad | ASSIGNED NON-PORTABLE | — | 4755abuse@ via TATACOMM-IN |
| └ 61.17.216.0/21 | 2,048 | RBU_ | Used for Static Broadband Customers in Ernakulam | ASSIGNED NON-PORTABLE | — | 4755abuse@ via TATACOMM-IN |
| └ 61.17.224.0/21 | 2,048 | RBU_ | Used for Static Broadband Customers in Ernakulam | ASSIGNED NON-PORTABLE | — | 4755abuse@ via TATACOMM-IN |
| └ 61.17.232.0/23 | 512 | RBU_ | Used for Static Broadband Customers in Delhi | ASSIGNED NON-PORTABLE | — | 4755abuse@ via TATACOMM-IN |
| └ 61.17.238.0/23 | 512 | RBU_ | Used for Static Broadband Customers in Delhi | ASSIGNED NON-PORTABLE | — | 4755abuse@ via TATACOMM-IN |
| └ 61.17.240.0/20 | 4,096 | RBU_ | Used for Static Broadband Customers in Delhi | 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.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
32,768 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 15,104 | 46% | 11 | |
| Business | 11,008 | 34% | 6 | |
| Internet provider | 6,656 | 20% | 2 |
Network & registry
Announced by
Covering announcement 61.17.0.0/16
- Prefix
- 61.17.0.0/16
- Announced by
- AS4755 TATA Communications formerly VSNL is Leading ISP
- Type
- Business
- 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 61.17.0.0/16
61.17.0.0/16
Routing history
- Pattern
- Rotating
- First seen
- Aug 2009
- Current origin since
- Oct 2022 · 4.0 yr
- Origin networks
- 2
- Last change of origin
- Oct 2022
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 61.17.0.0/16 | AS4755 | /16 | APNIC | RPKI valid |
IRR
Route objects on 61.17.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4755 | APNIC | Tata Communications Limited | MAINT-TATACOMM-IN | Aug 26, 2020 |
Whois
Registration for this announcement
- Range
- 61.
17. 0. 0/ 16 - 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
- Jun 12, 2002
- Status
- assigned
Report abuse
Abuse contact
- 4755abuse@
tatacommunications. com - Name
- ABUSE TATACOMMIN
- Handle
- AT1356-AP