Data as of Nov 9, 2026
221.135.136.0/22
No anonymizer space · no proxy exits in 30 daysSify Limited
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 221.135.136.0/24 since Jun 2012 | AS9583 | Internet provider | Sify Limited | |
| 221.135.137.0/24 since Jun 2012 | AS9583 | Internet provider | Sify Limited | |
| 221.135.138.0/24 since Jun 2012 | AS9583 | Internet provider | Sify Limited | |
| 221.135.139.0/24 since Jun 2012 | AS9583 | Internet provider | Sify 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 |
|---|---|---|---|---|---|---|
| 221.134.0.0/15 | 131,072 | SIFYNET-IN | Sify Limited | ALLOCATED PORTABLE | — | abuse@ |
| └ 221. | 2,048 | SIFYNET | Sify Infra IP Pool | ASSIGNED NON-PORTABLE | — | complain@ |
| └ 221. | 255 | Sifyinfranet | Sify Infrastructure | ASSIGNED NON-PORTABLE | — | complain@ |
| └ 221. | 255 | Sifyinfranet | Sify Infrastructure | ASSIGNED NON-PORTABLE | — | complain@ |
| └ 221. | 255 | Sifyinfranet | Sify Infrastructure | ASSIGNED NON-PORTABLE | — | complain@ |
| └ 221. | 255 | Sifyinfranet | Sify Infrastructure | ASSIGNED NON-PORTABLE | — | complain@ |
Network & registry
Registry
Holder
- Organization
- Sify Limited
- Range
- 221.
134. 0. 0/ 15 - Registration type
- ALLOCATED PORTABLE
Origin network
AS9583
IN
- Name
- Sify Limited
- Type
- Internet provider
- Registered
- Jul 23, 1999
- Domain
- sifycorp.com
- Website
- www.sifycorp.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2005
- Current origin since
- Dec 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.135.136.0/22 | AS9583 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9583 | APNIC | Sify ip address space | MAINT-IN-SIFY MAINT-IN-IRINN | Dec 14, 2025 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 221.135.136.0/23 | AS9583 | APNIC | Sify ip address space | MAINT-IN-SIFY MAINT-IN-IRINN | Dec 14, 2025 |
| 221.135.138.0/23 | AS9583 | APNIC | Sify ip address space | MAINT-IN-SIFY MAINT-IN-IRINN | Dec 14, 2025 |
Whois
Registration for this announcement
- Range
- 221.
135. 132. 0 - 221. 135. 139. 255 - Netname
- SIFYNET
- Registrant
- Sify Infra IP Pool
- Registrant country
- IN
- Organization
- Sify Infra IP Pool
- Org country
- IN
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Sep 27, 2025
- Maintainer
- MAINT-IN-SIFY
- RIR
- APNIC
- Country
- IN
- Delegated
- Jan 14, 2005
- Status
- assigned
Report abuse
Abuse contact
- complain@
irinn. in - Name
- IRT-IRINN-IN
- Handle
- IRT-IRINN-IN