AS9583 Sify Technologies Limited
AS9583 is operated by Sify Technologies Limited and registered with APNIC (IN) since 1999-07-23.
It announces 2,191 IPv4 and 34 IPv6 prefixes, 92% of them RPKI valid.
RIPE RIS sees 64 upstream and peer networks and 550 downstream networks next to it.
PeeringDB lists it as an NSP network at 20 internet exchanges and 71 facilities. Its peering policy is open.
| Name | Sify Technologies Limited |
|---|---|
| Registry handle | SIFY-AS-IN |
| Registry (RIR) | APNIC |
| Country | India (IN) |
| Delegated on | 1999-07-23 |
| Network type | NSP, Global |
| Peering policy | Open |
| IRR as-set | AS9583:AS-SIFY |
| Prefixes (IPv4 / IPv6) | 2,191 / 34 |
| RPKI valid | 92% (2,049 / 2,225) |
| Upstreams and peers | 64 |
| Downstream networks | 550 |
| Website | sifycorp.com |
Routing health
- AS9583 announces 2191 IPv4 and 34 IPv6 prefixes.
- 4 of 2225 announced prefixes are RPKI invalid: 1.6.168.0/24, 1.6.169.0/24, 1.6.170.0/24, 1.6.183.0/24.
- 2049 of 2225 announced prefixes are RPKI valid.
- 172 announced prefixes are not covered by a ROA of AS9583 (they may have none, or another network’s).
- 64 upstreams and peers, 550 downstream networks seen.
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 2,225
- 1.6.0.0/22
- 1.6.1.0/24
- 1.6.2.0/24
- 1.6.4.0/22
- 1.6.7.0/24
- 1.6.8.0/22
- 1.6.9.0/24
- 1.6.10.0/24
- 1.6.11.0/24
- 1.6.12.0/22
- 1.6.12.0/24
- 1.6.13.0/24
- 1.6.16.0/22
- 1.6.17.0/24
- 1.6.19.0/24
- 1.6.20.0/22
- 1.6.24.0/22
- 1.6.28.0/22
- 1.6.31.0/24
- 1.6.32.0/22
- 1.6.36.0/22
- 1.6.40.0/22
- 1.6.42.0/24
- 1.6.43.0/24
- 1.6.44.0/22
- 1.6.46.0/24
- 1.6.48.0/22
- 1.6.52.0/22
- 1.6.52.0/24
- 1.6.54.0/24
- 1.6.56.0/22
- 1.6.59.0/24
- 1.6.60.0/22
- 1.6.60.0/24
- 1.6.64.0/22
- 1.6.65.0/24
- 1.6.66.0/24
- 1.6.67.0/24
- 1.6.68.0/22
- 1.6.69.0/24
- 1.6.70.0/24
- 1.6.71.0/24
- 1.6.72.0/22
- 1.6.72.0/24
- 1.6.73.0/24
- 1.6.74.0/24
- 1.6.75.0/24
- 1.6.76.0/22
- 1.6.80.0/22
- 1.6.82.0/24
- 1.6.84.0/22
- 1.6.88.0/22
- 1.6.89.0/24
- 1.6.92.0/22
- 1.6.92.0/24
- 1.6.93.0/24
- 1.6.95.0/24
- 1.6.96.0/22
- 1.6.99.0/24
- 1.6.100.0/22
- 1.6.104.0/22
- 1.6.104.0/24
- 1.6.105.0/24
- 1.6.108.0/22
- 1.6.109.0/24
- 1.6.112.0/22
- 1.6.112.0/24
- 1.6.115.0/24
- 1.6.116.0/22
- 1.6.118.0/24
- 1.6.120.0/22
- 1.6.124.0/22
- 1.6.128.0/22
- 1.6.128.0/24
- 1.6.130.0/24
- 1.6.132.0/23
- 1.6.132.0/24
- 1.6.134.0/23
- 1.6.136.0/22
- 1.6.138.0/24
- 1.6.139.0/24
- 1.6.140.0/22
- 1.6.141.0/24
- 1.6.144.0/22
- 1.6.144.0/24
- 1.6.146.0/24
- 1.6.147.0/24
- 1.6.148.0/22
- 1.6.152.0/22
- 1.6.156.0/22
- 1.6.156.0/24
- 1.6.157.0/24
- 1.6.158.0/24
- 1.6.160.0/22
- 1.6.160.0/24
- 1.6.161.0/24
- 1.6.163.0/24
- 1.6.164.0/22
- 1.6.165.0/24
- 1.6.166.0/24
Showing the first 100.
RPKI problems
- Invalid 1.6.168.0/24
- Invalid 1.6.169.0/24
- Invalid 1.6.170.0/24
- Invalid 1.6.183.0/24
Upstreams and peers 64
The networks RIPE RIS sees next to AS9583 in BGP paths, the most visible first.
- AS55836 Reliance Jio Infocomm NLD Network
- AS2914 NTT Global IP Network
- AS1299 Arelion (Twelve99)
- AS4755 Tata Communications AS4755
- AS6453 TATA Communications Ltd
- AS6939 Hurricane Electric
- AS7473 Singapore Telecommunications Limited
- AS8220 Colt
- AS33891 Core-Backbone
- AS3320 Deutsche Telekom
- AS9002 RETN
- AS35280 F5 Inc.
Peering
Peering policy: Open. Suggested max-prefix limits: 10,000 IPv4, 3,000 IPv6. PeeringDB record
Internet exchanges 20
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| AMS-IX | 1 | 10G | Yes |
| AMS-IX Hyderabad | 1 | 10G | Yes |
| AMS-IX Kolkata | 1 | 10G | Yes |
| AMS-IX Mumbai | 1 | 40G | Yes |
| BBIX Singapore | 1 | 100G | Yes |
| DE-CIX Mumbai: DE-CIX Mumbai Peering LAN | 1 | 10G | Yes |
| Equinix Paris: Equinix IX - PA Metro | 1 | 1G | No |
| Equinix Singapore | 1 | 100G | Yes |
| Extreme IX Delhi: Extreme IX LAN | 1 | 30G | Yes |
| Extreme IX Mumbai: Extreme IX | 1 | 100G | Yes |
| France-IX Marseille | 1 | 10G | Yes |
| France-IX Paris | 1 | 1G | No |
| LINX LON1: Main | 1 | 10G | Yes |
| MX-IX Kolkata: Main | 1 | 10G | Yes |
| NIXI Chennai | 1 | 40G | Yes |
| NIXI Delhi | 1 | 40G | Yes |
| NIXI Hyderabad | 1 | 1G | Yes |
| NIXI Kolkata | 1 | 1G | Yes |
| NIXI Mumbai | 1 | 40G | Yes |
| UAE-IX: UAE-IX Peering LAN | 1 | 10G | Yes |
Facilities 71
| Facility | City | Country |
|---|---|---|
| Bharti Airtel Mumbai | Mumbai | IN |
| Bharti Airtel Santhome | Chennai | IN |
| CoreSite - Los Angeles (LA1) One Wilshire | Los Angeles | US |
| CtrlS Hyderabad DC1 | Hyderabad | IN |
| CtrlS Mumbai DC1 | Mumbai | IN |
| CtrlS Noida DC1 | Noida | IN |
| Digital Connexion MAA10 Chennai (Ambattur) | Chennai | IN |
| Digital Realty AMS17 - Amsterdam | Amsterdam | NL |
| Digital Realty Marseille MRS1/2/3/4 | Marseille | FR |
| Digital Realty NYC (60 Hudson) | New York | US |
| Equinix CN1 - Chennai | Siruseri | IN |
| Equinix DX1 - Dubai | Dubai | AE |
| Equinix DX2 - Dubai | Dubai | AE |
| Equinix MB1 - Mumbai (GPX Mumbai 1) | Mumbai | IN |
| Equinix MB2 - Mumbai (GPX Mumbai 2) | Mumbai | IN |
| Equinix MB3 - Mumbai | Mumbai | IN |
| Equinix MB4 - Mumbai | Mumbai | IN |
| Equinix SG1 - Singapore | Singapore | SG |
| Insta-DC, Mumbai | Mumbai | IN |
| MEGA-i (iAdvantage Hong Kong) | Hong Kong | HK |
| Netmagic Bangalore DC02 | Bangalore | IN |
| Netmagic Chandivali - MUM-DC05 | Mumbai | IN |
| Netmagic Chennai | Chennai | IN |
| Netmagic Noida | Noida | IN |
| Netmagic Vikhroli | Mumbai | IN |
| Nxtra Data Bangalore DC 1 | Bangalore | IN |
| Nxtra Data Chennai DC 1 | Chennai | IN |
| Nxtra Data Manesar DC 1 | Gurgaon | IN |
| Nxtra Data Mumbai DC 2 | Mumbai | IN |
| Nxtra Data Noida DC 2 | Noida | IN |
| Nxtra Data Pune DC 1 | Pune | IN |
| Powergrid Mumbai | Mumbai | IN |
| Powergrid New Delhi | New Delhi | IN |
| Railtel Delhi | New Delhi | IN |
| Reliance Hyderabad IDC | Hyderabad | IN |
| Reliance IDC-1 | Mumbai | IN |
| Reliance IDC-2 | Navi Mumbai | IN |
| Reliance IDC-3 | Navi Mumbai | IN |
| Reliance IDC-4 | Navi Mumbai | IN |
| Sify Airoli-DC- Mumbai | Mumbai | IN |
| Sify Banjara Hills Hyderabad | Hyderabad | IN |
| Sify Global Delivery Center (Hyderabad) | Nanakaramguda | IN |
| Sify Greenfort - Noida | Noida | IN |
| Sify Infinit Spaces Limited | Chennai | IN |
| Sify Infinit Spaces Limited - Lucknow | Lucknow | IN |
| Sify ITPL - Bangalore | Bangalore | IN |
| Sify Okhla NewDelhi | Delhi | IN |
| Sify Rabale - Mumbai | Navi Mumbai | IN |
| Sify Tidel-DC- Chennai | Chennai | IN |
| Sify Vashi - Mumbai | Navi Mumbai | IN |
| Sify-DLF-Kolkata | Kolkata | IN |
| Star Broadband Datacentre Delhi | New Delhi | IN |
| STTGDC AMD1 | Ahmedabad | IN |
| STTGDC BLR1 | Bangalore | IN |
| STTGDC BLR2 | Bangalore | IN |
| STTGDC BOM2 | Mumbai | IN |
| STTGDC CHN1 | Chennai | IN |
| STTGDC DEL1 | Delhi | IN |
| STTGDC DEL3 | Delhi | IN |
| STTGDC HYD1 | Hyderabad | IN |
| STTGDC KOL1 | Kolkata | IN |
| Syscon Infoway Mumbai DC1 | Mumbai | IN |
| TATA Communications Chennai | Chennai | IN |
| TATA Communications Cochin | Cochin | IN |
| TATA Communications Delhi | New Delhi | IN |
| TATA Communications Kolkata | Kolkata | IN |
| TATA Communications Mumbai | Mumbai | IN |
| Telehouse - London (Docklands East) | London | GB |
| Telehouse - London (Docklands North Two) | London | GB |
| Web Werks Mumbai 1 | Mumbai | IN |
| Web Werks Pune 1 | Pune | IN |
More about AS9583
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 17:55 UTC. The country is where the AS number was registered, not necessarily where the network operates.