AS9583 Sify Limited 🇮🇳 IN
Announcing 2,226 prefixes, seen at the RIS collectors.
IPv4 prefixes
2,192
1,058,816 (4,136 × /24)
IPv6 prefixes
34
1 × /32
Upstreams
12
transit providers observed
Peers
25
settlement-free adjacencies
Downstreams
216
transit customers observed
Customer cone
20,722
ASes reachable through it
Registry and operator data
- AS number
- AS9583
- Name
- Sify Limited
- Organisation
- Sify Technologies Limited
- Country
- 🇮🇳 IN
- RIR
- APNIC
- Allocated
- 1999-07-23
- Network type
- NSP
- Traffic levels
- 500-1000Gbps
- Scope
- Global
- Peering policy
- Open
- IRR as-set
- AS9583:AS-SIFY
- Website
- http://www.sifycorp.com/
- Looking glass
- http://lookingglass.sify.net/
- PeeringDB
- net/2536
- Exchanges
- 20
- Facilities
- 71
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
2,226 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 221.134.5.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.6.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.7.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.8.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.9.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.14.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.15.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.17.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.18.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.20.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.21.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.22.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.23.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.24.0/22 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.25.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.26.0/23 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.26.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.27.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.28.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.30.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.32.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.33.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.36.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.39.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.40.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.42.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.43.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.44.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.45.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.46.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.47.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.48.0/22 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.50.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.51.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.52.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.54.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.55.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.60.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.61.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.63.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.66.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.69.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.70.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.71.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.72.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.75.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.76.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.77.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.79.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.82.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.83.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.89.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.91.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.94.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.95.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.96.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.97.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.98.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.99.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.101.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.102.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.103.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.106.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.107.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.108.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.109.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.110.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.111.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.114.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.115.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.116.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.117.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.118.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.119.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.120.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.121.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.123.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.124.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.125.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.127.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.128.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.131.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.134.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.136.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.137.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.138.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.139.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.142.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.143.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.144.0/23 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.146.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.147.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.148.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.150.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.152.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.153.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.154.0/23 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.154.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.155.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.157.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.158.0/24 v4 | RPKI valid | 43 | 380019583 | 2026-09-18 |
| 221.134.159.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.160.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.167.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.170.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.172.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.175.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.176.0/22 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.180.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.181.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.183.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.189.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.190.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.191.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.196.0/22 v4 | no ROA | 41 | 380019583 | 2026-09-18 |
| 221.134.196.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.197.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.198.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.199.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.205.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.208.0/23 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.209.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.210.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.211.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.212.0/22 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.216.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.217.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.218.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.221.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.222.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.224.0/22 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.134.224.0/23 v4 | RPKI valid | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.226.0/23 v4 | RPKI valid | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.230.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.231.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.232.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.234.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.235.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.236.0/22 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.236.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.134.238.0/24 v4 | RPKI valid | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.239.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.134.244.0/22 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.134.252.0/22 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.135.10.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.135.20.0/22 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.24.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.25.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.28.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.30.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.31.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.32.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.33.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.34.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.135.35.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.36.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.135.37.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.38.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.39.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.40.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.42.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.43.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.44.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.45.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.135.46.0/24 v4 | no ROA | 42 | 380019583 | 2026-09-18 |
| 221.135.47.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.48.0/24 v4 | no ROA | 43 | 3454964049558369583 | 2026-09-18 |
| 221.135.50.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.51.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.52.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.53.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.54.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.55.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.56.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.57.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.58.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.59.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.135.60.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.61.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.62.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.63.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.65.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.66.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.67.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.73.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.75.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.77.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.135.78.0/24 v4 | RPKI valid | 41 | 380019583 | 2026-09-18 |
| 221.135.80.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.84.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.85.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.89.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.94.0/23 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.94.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.95.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.96.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |
| 221.135.97.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.98.0/24 v4 | RPKI valid | 42 | 380019583 | 2026-09-18 |
| 221.135.99.0/24 v4 | no ROA | 1 | 20409220766291693528047559583 | 2026-10-10 |
| 221.135.101.0/24 v4 | RPKI valid | 42 | 244829583 | 2026-09-18 |