Data as of Nov 10, 2026
221.
- Proxy activity
- Not seen in 29 days
- Type
- Business
- Risk
- 0 / 100 · Low
- Announced by
- AS9583Sify LimitedInternet provider
- Announcement
- 221.134.91.0/24RPKI valid
- Company
- TSYSTEMSNET
- Location
- New Delhi, Delhi, India
Network & registry
Announced by
Announcement
- Prefix
- 221.134.91.0/24
- Announced by
- AS9583 Sify Limited
- Type
- Internet provider
- RPKI
- RPKI valid
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 221.134.91.0/24
221.134.91.0/24
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.134.91.0/24 | AS9583 | /24 | APNIC | RPKI valid |
Whois
Registration for this address
- Range
- 221.
134. 0. 0/ 15 - Netname
- SIFYNET-IN
- Registrant
- Sify Limited
- Registrant country
- IN
- Organization
- Sify Limited
- Org country
- IN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Aug 11, 2025
- Maintainer
- MAINT-IN-IRINN
- Sub-assignment
- 221.
134. 91. 127/ 32 - RIR
- APNIC
- Country
- IN
- Delegated
- Jan 14, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
sifycorp. com - Name
- IRT-SIFYNET-IN
- Handle
- IRT-SIFYNET-IN