221.135.200.0/23 - Sify Limited (AS9583)
CIDR
221.135.200.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇮🇳 India
City
Chennai (Kasturba Nagar)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.135.200.0/23 | AS9583 SIFY-AS-IN - Sify Limited | No ROA | APNIC | 2026-10-13 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS9583 | APNIC | MAINT-IN-SIFY | 2025-12-14 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 221.135.200.0/25 | 🇮🇳IN | assigned | |
| 221.135.200.128/26 | 🇮🇳IN | assigned | |
| 221.135.200.192/27 | 🇮🇳IN | assigned | |
| 221.135.200.224/28 | 🇮🇳IN | assigned | |
| 221.135.200.240/29 | 🇮🇳IN | assigned | |
| 221.135.200.248/30 | 🇮🇳IN | assigned | |
| 221.135.200.252/31 | 🇮🇳IN | assigned | |
| 221.135.200.254/32 | 🇮🇳IN | assigned | |
| 221.135.201.0/25 | 🇮🇳IN | assigned | |
| 221.135.201.128/26 | 🇮🇳IN | assigned | |
| 221.135.201.192/27 | 🇮🇳IN | assigned | |
| 221.135.201.224/28 | 🇮🇳IN | assigned | |
| 221.135.201.240/29 | 🇮🇳IN | assigned | |
| 221.135.201.248/30 | 🇮🇳IN | assigned | |
| 221.135.201.252/31 | 🇮🇳IN | assigned | |
| 221.135.201.254/32 | 🇮🇳IN | assigned |
Origin ASN
AS9583
SIFY-AS-IN - Sify Limited
Related Prefixes
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/221.135.200.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/221.135.200.0/23" | jq
External Links